Cause of malfunction |
Remedy |
Car door won't unlock with key |
|
Frozen water in the larva of the castle, contamination of the larva |
1. Warm up the larva, heat the key with a lighter flame, lubricate with penetrating lubricant
2. Treat the larva with a lock-defrosting agent |
Damage to the cylinder mechanism | Replace grub |
The door does not open with the outside handle |
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Outer handle rod broken or disconnected from lock lever | Connect the traction. Replace broken plastic parts |
Unpleasant smell in the cabin |
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Moisture and dirt accumulated under the floor mats | Remove dirt, rinse and dry floors and rugs |
Fallen leaves or other debris entered the cabin ventilation system | Clear the air ducts |
Seat back not locked in position |
|
Broken back latch teeth | Replace the seat frame or, cutting off the broken retainer with a chisel, weld a new one |
The finger connecting the rod to the backrest amplifier fell out | Insert your finger into place and flare it |
Seat back won't return from preset position |
|
Broken adjustment spring | Replace spring |
Window lifter handle rotates, but window is still |
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Broken power window cable | Replace cable |
Broken slots on the handle | Replace handle |
Sliding glass bracket detached | Connect bracket |
Window lifter handle is difficult to turn |
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Dirt got under the glass seals, breakage or contamination of the power window mechanism | Clean the seals, lubricate the mechanism or replace it |
Door deformation | Straighten or replace the door |
Sliding glass not fixed |
|
Cable pressure plate loose | Tighten the clamping plate fixing screws |
When the ignition key is turned, the starter sound is not heard or only clicks of the traction relay are heard |
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The battery is discharged or defective | Charge the battery by checking the electrolyte level and density. If the battery does not charge, replace it |
Oxidation of the battery terminals and wire terminals, poor tightening of the terminals | Clean the leads and terminals. Fasten the terminals securely to the terminals, apply grease |
Faulty ignition switch, contacts do not close "30" And "50" | Replace the contact part of the ignition switch or the lock |
Breakage, oxidation of contacts in the power circuit of the winding of the starter enable relay | Check the wires and connections in the circuit between the ignition switch terminal "50" and conclusion "86" starter enable relay |
Breakage, oxidation of contacts in the power supply circuit of the starter traction relay | Check the wires and connections in the circuit; battery - starter enable relay - output "50" traction relay |
Weakened the fastening of the tips of the wire connecting the power unit to the body. | Tighten the wire lugs |
The contact bolts and wire ends on the contact bolts of the starter traction relay are oxidized or the nuts of their fastening are loosened | Strip the contacts and tighten the nuts |
Faulty starter enable relay | Replace relay |
Faulty traction relay, open or short circuit in the holding winding, oxidation of contacts | Replace traction relay |
Seizure of the starter armature shaft in the bearings, burning of the collector, freezing or wear of the brushes, interturn short circuit in the windings or on "mass" | Repair or replace starter |
starter running (possibly with a lot of noise), but the crankshaft is stationary or turns jerky |
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Freewheel slipping | Replace clutch |
Breakage of the drive mechanism, drive ring, buffer spring | Replace broken parts |
Damaged starter gear or flywheel crown teeth, ring turns on flywheel | Replace broken parts |
The starter rotates the crankshaft with a rattle (perhaps after starting the engine, a squeal of the gear is heard) |
|
Severe wear of the gear and flywheel crown | Replace drive, flywheel or starter |
The gear does not disengage from the crown due to a malfunction of the drive, switching relay, ignition switch (contacts do not open "30" And "50"), starter traction relay | Repair or replace parts and assemblies |
The fastening of the starter poles has loosened, the bearings or the necks of the armature shaft are worn out | Repair or replace starter |
The starter turns the crankshaft, but the engine does not start |
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The battery is almost empty, after a few revolutions the crankshaft stops | Charge the battery by checking the electrolyte level and density, clean the leads and tighten the wire terminals, replace the battery if necessary |
There is no fuel in the tank | Fill the tank |
Clogged fuel lines or fuel filter, an ice plug has formed in the power system. There is no smell of fuel from the exhaust pipe when trying to start | Replace the fuel filter, blow out the fuel lines with compressed air, clean the fuel inlet mesh, warm up the car in a warm garage if possible |
Fuel pump defective. Fuel is not supplied to the carburetor (TO) | Check pump operation, repair or replace if necessary |
The fuse of the electric fuel pump has blown, the power supply circuit of the pump, the pump itself or its relay is damaged (no sound of running pump) (IN) | Replace fuse, check wire connections, check and if necessary replace relay or pump |
The electric fuel pump does not develop the necessary pressure in the power system (not less than 3.0 bar) (IN) | Wash the fuel inlet screen with solvent, measure the pressure generated by the pump. Replace defective pump |
Faulty (clogged) injectors or electrical circuits for their power supply (IN) | Restore contact in electrical circuits, flush with a special installation or replace nozzles |
Air suction into the intake pipeline through the vacuum brake booster, joints and hose connections | Check all connections and repair leaks |
High voltage is not supplied to the spark plugs due to: | Fasten the wires securely, clean the connections |
loose fit, damage or oxidation of high voltage wire lugs, ignition coil high voltage output (TO), wire insulation damage | Replace wires or coil |
The order of connecting high voltage wires to the ignition module is violated (IN) or ignition distributor (TO) | Check and connect the wires in the correct order |
Oily or damaged spark plugs | Clean or replace spark plugs, adjust electrode gap |
Incorrect ignition timing (TO) | Check that the ignition timing is set correctly, adjust if necessary |
The contacts of the breaker are oiled or burnt, the gap between them is not adjusted (TO) | Clean the contacts, adjust the gap |
Damaged or out of order parts of the ignition distributor: cover, center electrode, contact group, moving plate bearing, capacitor or resistor (TO) | Replace parts or ignition distributor |
Faulty Hall sensor or its electrical circuits (for non-contact ignition system) (TO) | Check circuits, replace sensor |
Faulty switch (for non-contact ignition system) (TO) | Replace Switch |
Faulty ignition coil (TO) | Replace coil |
Faulty low voltage circuit (from the battery to the coil through the ignition switch) (TO) | Check the circuit with an ohmmeter, clean the oxidized wire ends, if damaged, replace the wires or the ignition switch |
Faulty ignition module (IN) | Replace module |
Faulty electronic engine control unit (IN) | Replace control box |
Valve timing shifted | Set the phases correctly according to the marks on the crankshaft and camshaft |
Faulty crankshaft position sensor or its electrical circuit (IN) | Replace sensor or repair electrical circuit |
Clogged channels or carburetor jets (TO) | Rinse carburetor parts, blow channels and jets with compressed air |
The engine does not start for a long time |
|
No fuel in the carburetor float chamber after a long stop (TO) | Pump the fuel manually with the pump lever |
Clogged or damaged hoses or fuel lines | Wash the fuel receiver mesh with a solvent, eliminate kinks in the hoses, blow out the lines with compressed air |
Engine starts, but immediately stalls or runs erratically |
|
Leakage of current through contaminated insulation of high-voltage wires, faulty insulators of candles | Clean or replace wires, replace faulty spark plugs |
Incorrect ignition timing (TO) | Adjust ignition timing |
Incorrect gap between breaker contacts (TO) | Adjust gap |
Incorrect gap between the electrodes of the spark plugs, heavy deposits on the electrodes and insulators of the spark plugs | Clean or replace the spark plugs, set the required gap by bending the side electrode |
Wear, contamination or burning of the contacts of the breaker and other elements of the ignition distributor (TO) | Clean parts or replace distributor |
Shifted valve timing | Set the phases correctly according to the marks on the crankshaft and camshaft |
Faulty electronic engine control unit (IN) | Replace control box |
Faulty: mass air flow sensor, throttle position sensor, idle speed regulator, fuel pressure regulator, injectors, oxygen concentration sensor (IN) | Replace defective units and parts |
Idle adjustment broken (TO) | Adjust idle |
Water ingress into the carburetor (TO) | Remove fuel from the float chamber, drain the sediment from the fuel tank. Application possible (according to instructions) water-binding additives |
Clogged channels and carburetor jets (TO) | Wash the carburetor parts in solvent, blow the channels and jets with compressed air |
Insufficient or excessive fuel level in the carburetor float chamber (TO) | Adjust the fuel level in the carburetor float chamber |
The tightness of the diaphragm of the starting device is broken (TO) | Change diaphragm |
Air sucking through leaks in the intake piping (TO) | Eliminate leaks |
Faulty idle economizer system (TO) |
1. Check the tightness of the hoses connecting the economizer to the inlet pipeline
2. Check and in case of malfunction, replace the control unit for the electro-pneumatic valve 3. Check and in case of malfunction, replace the electro-pneumatic valve 4. Check the microswitch, adjust its setting |
Leaky exhaust system (to the oxygen concentration sensor) (IN) | Replace exhaust manifold gasket |
The fuel pump does not create the required pressure in the system |
1. Check up a condition of diaphragms of the fuel pump. Replace faulty diaphragms (TO). Adjust the protrusion of the pump pusher (TO)
2. Measure the pressure in the fuel system. Replace defective pump (IN) |
Idle speed fluctuates spontaneously |
|
The microswitch of the EPHX system is faulty or its installation is violated (TO) | Adjust or replace microswitch |
Low idle speed |
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Carburetor idle adjustment out of order (TO) | Adjust idle |
High fuel level in carburetor float chamber (TO) | Adjust the fuel level in the carburetor float chamber |
Ignition timing incorrectly set (TO) | Adjust ignition timing |
Clogging of the idle jets, damage to the sealing rubber ring of the quality screw (TO) | Flush with solvent and blow out the jets, replace the damaged ring |
Air filter element dirty | Replace filter element |
Faulty idle speed controller or its electrical circuit (IN) | Replace regulator, check all connections |
High idle speed |
|
Violation of idle adjustment (TO) | Adjust idle |
Ignition timing incorrectly set (TO) | Adjust ignition timing |
Skewed, incomplete closing of the throttle valves (TO) | Eliminate the cause of incomplete closing of the dampers |
Throttle not fully closed (IN) | Adjust throttle actuator |
Pedal drive not adjusted "gas", no pedal free play "gas" | Adjust pedal drive "gas" |
Faulty idle speed controller or its electrical circuit (IN) | Replace regulator, check connections |
Too high pressure in the fuel line (the pressure regulator is faulty, its pneumatic actuator, the drain hose is pinched) (IN) | Replace regulator, troubleshoot fuel and air lines |
In winter, the engine stalls after starting to move |
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An ice plug has formed in the carburetor diffuser due to incorrect installation of the temperature control flap or the hot air supply hose jumping off the exhaust manifold bracket (TO) | Set damper to position "COLD", secure the hose with a clamp. If possible, warm up the car in a warm garage |
Extraneous noises and knocks are heard in the engine |
|
A dull or sharp metallic knock due to: | |
A) increased clearance in the main or connecting rod bearings, between the thrust washers and the crankshaft | A) repair the engine |
b) insufficient oil pressure | b) troubleshoot the lubrication system |
A muffled knock caused by the shifting of the pistons in the cylinders when they are mutually heavily worn | Repair the engine |
Chirping sound caused by malfunctions and wear of parts of the gas distribution mechanism: necks, bearings and camshaft cams, valves and their bushings, valve clearances are increased | Replace worn and damaged parts, adjust valve clearances |
Whistling sound or buzzing caused by: | |
A) weakening or wear of the alternator drive belt | A) tighten or replace the belt |
b) coolant pump bearing wear | b) replace pump |
V) wear of bearings or short circuit of generator windings | V) replace bearings or alternator assembly |
Loud, rumbling sound coming from the bottom of the car due to damage or burnt parts of the exhaust system | Replace damaged exhaust system parts |
The emergency oil pressure lamp comes on and does not go out |
|
Not enough oil in the crankcase | Check the level and add oil if necessary |
Foreign particles or stuck oil pump relief valve | Clean valve, clear blockage or replace pump |
Malfunction of the emergency oil pressure sensor | Replace sensor |
Severe wear of oil pump parts | Replace pump |
Strong wear of the necks of the crankshaft and camshaft, their liners and bearings | Repair the engine |
Engine warms up slowly |
|
Faulty thermostat | Replace thermostat |
The electric fan is constantly running due to: | |
A) temperature sensor malfunctions (IN) | A) replace sensor |
b) malfunctions of the sensor of inclusion of the electrofan (TO) | b) replace sensor |
V) malfunctions of the relay of inclusion of the electric fan (IN) | V) replace relay |
G) malfunctions of the electronic engine control unit (IN) | G) replace control box |
When the parking brake lever is released, the wheels do not brake |
|
Parking brake drive not adjusted | Adjust drive |
After a long period of parking, the brake pads "stuck" or frozen to the drums | Alone or with assistance, move the vehicle by releasing the wheels. When parking the car, brake it, including only the transmission |
clutch pedal "fails", the clutch does not disengage |
|
Leakage of the cylinder, pipeline or hose of the hydraulic drive system | Replace defective parts |
Clutch pedal makes noise when pressed |
|
Deterioration of the release bearing, lack of lubrication in the pedal joint | Replace bearing, lubricate pedal axle |
Vibration and noise is felt when the clutch pedal is released |
|
Severe wear, warping of the driven disk, cracks or peeling of the linings, breakage of the springs of the damper of torsional vibrations, wear of the windows under the springs | Replace driven disk |
Car jerks when driving |
|
The hub of the driven disk sticks on the splines of the input shaft of the gearbox | Clean the slots of both parts, remove the burrs with a needle file. Replace severely damaged parts. When assembling, apply a thin layer of lubricant LSTs-15, SHRUS-4 or similar to the splines |
Lubrication on the working surfaces of the discs | Rinse the surfaces of the discs with white spirit or gasoline. Eliminate the cause of oiling (oil leakage through the engine or gearbox oil seals) |
Severe wear, warping of the driven disk, cracks or peeling of the linings, breakage of the springs of the damper of torsional vibrations, wear of the windows under the springs | Replace driven disk |
Seizures on the working surfaces of the flywheel or pressure plate | Replace damaged parts |
The engine speeds up, but the car accelerates poorly. |
|
Oil ingress on the working surfaces of the discs | Rinse the surfaces of the discs with white spirit or gasoline. Eliminate the cause of oiling (oil leakage through the engine or gearbox oil seals) |
Clutch drive sticking | Eliminate jamming or replace drive parts |
Strong wear, warping and burning of the lining of the driven disk | Replace driven disk |
Clutch "leads" (partial shutdown), making it difficult to shift gears (noise, rattle) with a good gearbox |
|
Large gaps in the clutch release drive | Adjust drive |
The hub of the driven disk sticks on the splines of the input shaft of the gearbox | Clean the slots of both parts, remove the burrs with a needle file. Replace severely damaged parts. When assembling, apply a thin layer of lubricant LSTs-15, SHRUS-4 or similar to the splines |
Scuffing on the working surfaces of the flywheel and pressure plate, warping or warping of the pressure plate, wear of the petal spring, warping of the driven disk | Replace the driven disc or clutch basket assembly |
Air has entered the hydraulic clutch system | Bleed the hydraulic system |
Fluid leakage from the clutch hydraulic system | Repair the leak and bleed the system |
Clutch "slips" (incomplete engagement of the clutch) |
|
There are no gaps in the clutch release drive | Adjust drive |
Great wear of the friction linings of the driven disk | Replace the driven disc or clutch basket assembly |
Lubrication of the friction linings of the driven disk, the surface of the flywheel or the clutch pressure plate | Eliminate the causes of oiling. Clean oily parts with white spirit |
Knocking noise heard when touching |
|
Destruction of the supports of the power unit, rubber-metal hinges of the suspension | Replace defective parts |
Loose suspension fasteners | Tighten fasteners |
Wear of cardan bearings | Replace bearings |
Too much clearance in the gears or final drive bearings | Repair the rear axle |
Large gap in the spline connection of the front propeller shaft | Replace worn parts |
The fastening of the cardan shaft to the flange of the rear axle gearbox has loosened | Pull up connection |
Difficulty shifting gears |
|
Clutch "leads" | See above |
Sticking of the spherical joint of the gear lever | Deburr friction surfaces |
Difficulty moving the sliding clutch along the splines of the synchronizer hub in the gearbox | Clean parts from dirt, clean burrs |
Deformation of parts of the gear selection mechanism, loosening of the fastening of the shift forks on the rods | Replace parts, tighten fork fixing bolts |
Transmission randomly turns off ("fly out") or turn on indistinctly |
|
Wear of parts of the gear shift drive: balls, rods, rod sockets, detent springs | Replace worn parts |
Strong wear of the working surfaces of the gear shift forks | Replace worn parts |
Severe wear of splines on couplings, gears or synchronizer hubs | Replace worn parts |
Deterioration of blocking rings of synchronizers | Replace worn parts |
Broken synchronizer springs | Replace broken springs |
Gearbox makes a lot of noise |
|
Not enough oil in the crankcase | Check level, add oil |
Wear of bearings, gear teeth and synchronizers | Replace worn parts |
The engine does not develop full power, the car twitches, low throttle response |
|
Throttle valve does not open fully | Adjust damper actuator |
Air filter element dirty | Replace filter element |
Strong soot, incorrect gap between the electrodes of the spark plugs, damage to the insulation of high-voltage wires | Clean or replace spark plugs, adjust electrode gap, replace damaged wires |
The fuel pump does not create the required pressure in the system | Check the condition of the pump diaphragms. Replace defective diaphragms. Adjust the protrusion of the pusher (TO) Measure the pressure in the fuel system. Replace defective pump (IN) |
Faulty (polluted) injectors or their power circuits (IN) | Rinse in a special installation or replace nozzles. Provide Reliable Power |
Malfunction of sensors: coolant temperature, throttle position, mass air flow, detonation, oxygen concentration, as well as damage to the power circuits of these sensors (IN) | Replace sensors, restore the integrity of the power circuits |
Leaky exhaust system (to the oxygen sensor) (IN) | Replace exhaust manifold gasket |
Faulty fuel pressure regulator (IN) | Replace Regulator |
Faulty electronic engine control unit (IN) | Replace control box |
Shifted valve timing | Set the phases correctly according to the marks on the crankshaft and camshaft |
Air sucking through leaks in the intake piping (TO) | Restore the tightness of the connections |
Incorrect ignition timing (TO) | Adjust ignition timing |
Incorrect gap between breaker contacts (TO) | Adjust gap |
Wear, contamination or burning of the contacts of the breaker and other elements of the ignition distributor (TO) | Clean parts or replace distributor |
Faulty Hall sensor or its electrical circuits (for non-contact ignition system) (TO) | Check circuits, replace sensor |
Faulty switch (for non-contact ignition system) (TO) | Replace Switch |
Clogged channels and carburetor jets (TO) | Wash the carburetor parts in solvent, blow the channels and jets with compressed air |
Insufficient or excessive fuel level in the carburetor float chamber (TO) | Adjust the fuel level in the carburetor float chamber |
General severe engine wear, low or | Repair the engine |
uneven compression in the cylinders, occurrence of piston rings, wear or damage to the valves, their bushings and seats, wear of the camshaft cams | |
The engine gets very hot |
|
Cooling fan not working | Check the power circuits and the electric fan itself, restore power supply or replace the electric fan |
Too little fluid in the cooling system | Add liquid, check the tightness of the cooling system |
Faulty thermostat (the temperature at the bottom of the radiator is low) | Replace thermostat |
The outer surface of the radiator is dirty | Rinse the outside of the radiator with a jet of water or blow with compressed air |
Large deposits of scale and corrosion products on the internal surfaces of the cooling system | Flush the cooling system with special preparations according to the instructions for their use |
Incorrect ignition timing (TO) | Adjust ignition timing |
Low octane fuel filled into the tank | Use only recommended fuel |
Large deposits of soot in the combustion chamber, on the piston crowns and valve plates | Eliminate the cause of severe carbon deposits, clean parts, use high quality engine oil |
Insufficient tension of the water pump drive belt | Adjust belt tension |
Faulty radiator plug valve | Replace plug |
Faulty coolant pump | Replace pump |
Engine detonates (loud knocks that occur during acceleration and disappear when dropping "gas") |
|
Low octane fuel filled into the tank | Use only recommended fuel |
Large deposits of soot in the combustion chamber, on the piston crowns and valve plates | Eliminate the cause of severe carbon deposits, clean parts, use high quality engine oil |
Engine overheating | Eliminate engine overheating (see above) |
Ignition timing incorrectly set (too early ignition) | Adjust ignition timing |
The steering wheel is difficult to turn |
|
Low pressure in the tires of the front wheels | Adjust tire pressure to correct |
Incorrect front wheel alignment | Adjust the angles |
Low or no oil in the steering gear | After eliminating the cause of leakage, add oil |
Deformation of suspension parts | Repair or replace damaged parts |
Incorrectly adjusted worm gear in the steering gearbox | Adjust gear engagement |
Overtightening the adjusting nut of the pendulum arm axle | Adjust nut tightening |
Parts of ball joints of steering rods or ball bearings of the front suspension are damaged by corrosion | Replace damaged parts |
Increased steering wheel play |
|
Large clearance in the worm gear of the steering gear | Adjust gear engagement |
Loose steering gear to body | Tighten the fastening nuts |
Increased play in the front wheel bearings | Adjust bearing clearances |
Wear of pendulum arm bushings | Replace bushings or install pendulum mechanism with rolling bearings |
Wear of parts of ball joints | Replace worn parts |
Noise and knocks when driving on a flat road |
|
The use of winter, studded and "all-terrain" tires on clean asphalt | Use tires according to road conditions |
Wheel bearing wear | Replace bearings |
Loose wheel bolts | Tighten wheel bolts |
Worn rubber-metal hinges of suspension arms | Replace hinges or levers |
Wear of bearings, gear teeth of the rear axle reducer | Repair or replace gearbox |
Wear of bearings of semiaxes of the rear axle | Replace axle shafts |
Wear of the bearing of the intermediate support of the cardan shaft | Replace bearing |
Clicks and noises when turning the car |
|
Wheel bearing wear | Replace bearings |
Loose wheel bolts or hub nuts | Tighten fasteners |
Loose suspension fasteners, as well as steering gear, steering wheel, steering column bracket | Tighten fasteners |
Steering gear malfunction | Repair or replace steering gear |
Worn or damaged differential parts | Replace worn or damaged parts |
Worn or destroyed rubber-metal hinges of the front and rear suspensions | Replace damaged parts |
Wear of front suspension ball joints | Replace worn parts |
Destruction of the rubber pads of the stabilizer bar | Change your pillows |
Vibrations while driving |
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Front wheel imbalance, deformation or uneven tire wear, tread peeling | Replace defective tires, balance wheels |
Severe wheel bearing wear | Replace bearings |
Loose suspension fasteners | Tighten fasteners |
Bearing wear of the intermediate support of the cardan shaft or loosening of the support | Replace bearing or retighten support mount |
Loose fastening of the cardan shaft to the flange of the gearbox shank | Tighten propshaft mount |
Deformation of the cardan shaft, loss of its balancing weights | Replace cardan shaft |
Driving the vehicle away from straight ahead |
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Different pressure in the tires of the front wheels or different levels of wear | Equalize tire pressures, install tires with the same level of wear |
Violation of wheel alignment angles | Adjust wheel alignment |
Braking front or rear wheel | Eliminate stutter |
Deformation or breakage of suspension parts, wear of rubber-metal hinges | Repair or replace deformed or worn parts |
Vibrations, rattles and squeaks when braking |
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Deformation, corrosion or scoring of the working surfaces of brake discs or drums | Replace Part Data (in pairs on each axis) |
Oiling, complete wear of the linings or the inclusion of foreign particles in them | Replace the pads, having previously eliminated the cause of oiling |
Weak or broken rear wheel brake pad return spring | Replace spring |
Car pull when braking |
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Lubrication of brake pads | Eliminate the cause of oiling, clean or replace the brake pads |
Incorrect actuator adjustment or faulty pressure regulator | Adjust the drive or replace the pressure regulator, bleed the hydraulic drive system |
Violated wheel alignment, varying degrees of tire wear | Adjust the wheel alignment, install tires with the same wear |
Seizure of the piston in the working brake cylinder of one of the wheels | Replace the working cylinder, bleed the hydraulic drive system |
One of the brake circuits is not working effectively (pipeline leakage or collapse) | Restore circuit performance, bleed the hydraulic drive system |
Insufficient braking performance |
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Use of summer tires in winter | Use tires according to the season |
Overheating of the brake mechanisms | Stop the vehicle and let the brakes cool down. |
Lubrication of brake pads | Eliminate the cause of oiling, clean or replace the brake pads |
Complete wear of brake pads (accompanied by a creak or rattle) | Replace pads. If there are scuffs on the disc or drum, then replace these parts as well |
The pressure regulator drive is incorrectly adjusted or the regulator is faulty | Adjust the pressure regulator drive, replace the faulty regulator, bleed the hydraulic drive system |
Seizure of the piston in the working brake cylinder | Replace the working cylinder, bleed the hydraulic drive system |
One of the brake circuits does not work (hose rupture or pipeline collapse) | Restore the circuit by replacing parts, bleed the hydraulic drive system |
The vacuum booster is faulty or the tightness of its hose connections is broken | Check the hose connections, replace the vacuum booster if necessary, bleed the hydraulic drive system |
Air ingress into hydraulic brakes (pedal "soft") | Remove air by bleeding hydraulic brakes |
Leakage of the hydraulic brake system | Tighten the connections, eliminate leaks, bleed the hydraulic drive system |
Incomplete wheel release |
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No free play on the brake pedal | Adjust pedal free play |
Vacuum booster rod protrusion not adjusted | Adjust stem protrusion |
Seizure of pistons in the main or working cylinders due to corrosion or swelling of the cuffs | Replace the cylinder assembly, replace the brake fluid, bleed the hydraulic drive system |
Pad sticking due to corrosion and contamination (weakening or breakage of the springs of the brake pads of the rear wheels) | Remove pads, clean brakes (replace spring if necessary) |
Clogged compensation hole in the brake master cylinder | Clean the hole, bleed the hydraulic drive system |
Rocking of the car when driving, a strong roll in corners |
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Faulty front shock absorbers (or) rear suspension | Replace defective shock absorbers in pairs |
Deformation of the anti-roll bar, destruction of its rubber pads or mounting brackets | Replace damaged parts |
Rapid drop in coolant level |
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Damage to the radiator, hoses, loosening of their connections with pipes | Repair leaks in connections, replace damaged parts |
Damage to the cylinder head gasket, the block itself or the head | Replace damaged parts |
Worn or damaged coolant pump seal | Replace pump |
Rapid drop in brake fluid level |
|
Leakage of cuffs of working cylinders or pipeline connections, traces of liquid are visible near the leak | Replace the faulty working cylinder, restore the tightness of the connections |
Leakage of the cuffs of the main brake cylinder, the liquid flows into the cavity of the vacuum booster, its traces are not visible | After removing the master cylinder and checking for leakage, replace it. Before installing the cylinder, remove the vacuum booster and pour out the liquid from it |
Heater fan not working |
|
Poor contact in wire connections, blown fuse | Replace fuse, repair connections |
Faulty heater operating mode switch | Replace Switch |
Faulty heater motor | Replace motor |
Heater fan only works at one speed |
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Faulty switch or burnt auxiliary resistor | Replace switch or resistor |
The wiper motor does not work, the bimetal fuse does not work, the fuse in the mounting block is not blown |
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Faulty wire connections or steering column switch | Repair connections or replace switch |
Defective gear motor | Replace gear motor |
The wiper motor does not work, the bimetal fuse is triggered or the fuse in the mounting block blows |
|
Short circuit in the motor winding of the geared motor | Replace gear motor |
The brushes are frozen to the glass or a foreign object has fallen into the lever mechanism | Eliminate the obstacle to the movement of the mechanism |
Windshield wiper does not work intermittently |
|
Faulty relay or switch | Replace failed nodes |
Wiper does not stop intermittently |
|
Faulty relay | Replace relay |
Faulty contacts in the gear motor | Clean, bend the contacts or replace the gearmotor |
Wiper blades stop at random position |
|
Loose crank nut | After installing the crank, tighten the nut |
Faulty contacts in the gear motor | Replace gear motor |
Wiper blades not working synchronously |
|
Loosening of the brush leash on the shaft | After setting the brush in the desired position, tighten the leash nut |
The electric motor is running, but the wiper blades are stationary |
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Loosening the crank nut of the gearmotor | After installing the crank in the desired position, tighten its nut |
Destruction of the gear motor-reducer | Replace gear motor |
The control lamp of a charge of the rechargeable battery burns. Mains voltage below 13.2 V | |
Alternator drive belt broken or loose | Replace or tighten belt |
Faulty: voltage regulator, rectifier unit or excitation power supply diodes | Replace defective parts |
Open or short circuit in the generator windings | Replace stator, rotor or generator assembly |
The control lamp of a charge of the rechargeable battery does not burn. The battery is empty. Appliances are working |
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The control lamp burned out or there was an open circuit in its power circuit | Replace lamp or repair connections |
Worn or stuck alternator brushes, dirty contact rings | Replace the brush holder with brushes, clean the contact rings with fine-grained sandpaper, wipe with a cloth soaked in solvent |
Disconnected wire from outlet "61" generator | Connect wire to terminal |
Damaged voltage regulator and rectifier unit | Replace defective items |
The battery charge warning lamp lights up when the engine is running, the battery is being recharged |
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Faulty voltage regulator | Replace voltage regulator |
The control lamp of a charge of the rechargeable battery does not burn at inclusion of ignition. Appliances don't work |
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F10 fuse blown | Replace fuse |
An open has occurred in the power circuit of the instrument cluster or from the ignition switch to the mounting block | Restore connection |
Faulty ignition switch | Replace the faulty contact group or lock assembly |
Headlights, lamps or ceiling lamps do not burn |
|
Burnt out lamps | Replace lamps |
Fuses blown | Replace fuses |
Faulty relays or switches (switches) | Replace defective items |
Damaged wires and their connections | Restore connections |
The direction indicator lamp flashes at a double frequency |
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One of the turn signal bulbs burned out | Replace lamp |
Badly "keeps" parking brake |
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Brake drive not adjusted | Adjust drive |
Drive cables stick in sheaths | Lubricate the cables with a penetrating lubricant, in case of severe corrosion and other damage, replace them |
Water enters the interior |
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The position of the doors in the openings of the body is not adjusted | Adjust the position of the doors |
Seal loose or damaged | Fit tightly or replace the seal |
The door does not open with the inside handle |
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Broken handle lever | Replace handle |
Insufficient traction stroke | Adjust the position of the inner handle |
Uneven and rapid tire tread wear |
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Wheel alignment misaligned | Adjust installation angles |
Increased wheel imbalance, rim deformation | Balance or change wheel |
Increased play in steering and suspension, heavily worn wheel bearings, faulty shock absorbers | Eliminate faults, replace, if necessary, parts and assemblies |
Great fuel consumption |
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Increased mechanical and aerodynamic resistance to movement: overloading the vehicle, low tire pressure, use of tires with winter or "cross-country" tread pattern, installation of a roof rack, various spoilers and guards, opening windows at high speed | Avoid these factors whenever possible |
"Sports" driving style with sudden accelerations, constant movement at high speed | Slow down while trying to maintain a calm driving style |
Rear wheel brake pads rubbing against drums due to misadjusted parking brake actuator | Adjust parking brake actuator |
Front wheel alignment misaligned | Adjust wheel alignment |
Energy-intensive consumers are often used: high-power sound speakers, electric heaters, additional lighting equipment | Try to reduce your car's energy consumption |
High viscosity oils are used in the engine and gearbox in the cold season | Use an oil suitable for the climatic conditions |
Increased pressure in the fuel lines due to a malfunction of the pressure regulator or a kink in the drain hose (IN) | Replace regulator, repair hose kink |
Other causes of increased fuel consumption see above, "The engine does not develop power, the car twitches, throttle response is low" | |
High consumption of engine oil |
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Oil leakage through worn crankshaft oil seals, valve stem seals, damaged oil pan gaskets and cylinder head covers | Replace worn and damaged parts, clean the crankcase ventilation system |
General strong wear of parts of the cylinder-piston group and the gas distribution mechanism | Repair the engine |
Gearbox oil leak |
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Wear of the oil seals of the primary or secondary shafts | Replace seals |
Drain plug loose | Close the cap securely |
Oil leakage from the rear axle |
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Wear of axle seals | Replace seals |
Deterioration of the oil seal of the drive gear | Replace seal |
Drain plug loose | Close the cap securely |
Clogged rear axle breather | Rotate the cap to clean the breather |
Working fluid leaks from suspension shock absorbers |
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Defective shock absorber seals | Replace shock absorbers |
Leaking brake fluid |
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The tightness of the hydraulic drive is broken | Eliminate leaks, replace defective components, add brake fluid and bleed the hydraulic drive |