1. Remove the oil pump from the car (see «Removal and installation of the oil pump»).
2. Using a screwdriver, remove the oil seal from the oil pump cover.
3. Press a new oil seal into the pump cover using a mandrel with an outer diameter of (41±0,5) mm so that its working edge is directed inward.
4. Install the oil pump.
The reason for oiling the clutch discs may be a leak in the gearbox input shaft oil seal or the crankshaft rear oil seal. Engine and transmission oils have a different smell, so with a certain skill, you can determine by smell which of the oil seals is defective.
Helpful advice. There is another way to determine the type of oil. Drop oil into water poured into a vessel in a thin layer (maybe in a puddle). Gear oil will spread over the entire surface of the water in the form of an iridescent film, and engine oil will remain in the form of a drop similar to a lentil grain.
To replace the crankshaft rear oil seal you will need: a screwdriver, a wrench «on 10».
1. Disconnect the wire from the terminal «-» battery.
2. Remove the flywheel (see «Removal and installation of a flywheel»), having previously marked its location relative to the crankshaft.
3. Remove the rear shield of the clutch housing from the guide bushings.
4. Screw eight bolts of fastening of the holder of an epiploon.
5. Remove gland retainer.
6. Press out an epiploon from the holder.
7. Press a new oil seal into the holder until it stops using a mandrel with an outer diameter (99±0,5) mm so..
8.... the working edge was directed inward,
Helpful advice. To facilitate the pressing of the gland, make a small chamfer on its seating edge using a needle file or a fine emery wheel.
9. Replace the torn holder gasket. For ease of installation «glue» gasket to holder with grease.
10. Lubricate the sealing lip with engine oil..
11.... and the crankshaft flange.
12. Loosen the engine oil sump to the cylinder block. To do this, unscrew the fourteen bolts securing the crankcase by 2-3 turns.
13. At installation of the holder accurately fill a working edge of an epiploon on a flange of a cranked shaft by means of a wooden stick. Screw in the mounting bolts of the holder. Screw bolts of fastening of a crankcase of the engine to the block of cylinders.
14. Install the clutch housing rear shield on the guide bushings. Then install the flywheel, clutch and gearbox according to the previously applied marks.
Helpful advice. To increase the reliability of fixing the flywheel mounting bolts, lubricate the threaded part of the bolts with sealant before installation.