Disconnect the upper and lower thermostat hoses (see Thermostat replacement).
Removing the alternator belt (see Replacing the alternator drive belt).
Disconnect the alternator adjusting bar and loosen its lower mount (see Removing the generator). We take the generator to the mudguard.
key «at 13» unscrew the three bolts and remove the coolant pump drive pulley.
key «on 10» unscrew the two nuts securing the pipe for draining the liquid from the heater radiator, and also loosen the nut securing the pipe to the exhaust manifold (see Replacing the intake and exhaust manifold gaskets).
key «at 13» unscrew three bolts (one above and two below) fastening the pump to the cylinder block...
...and remove the coolant pump.
A sealing gasket is installed between the pump and the block.
key «at 13» loosen four screws...
...and remove the pump cover assembly. A sealing gasket is installed between the cover and the body.
We assemble the pump with a new cover and new seals. We install it on the engine in reverse order.
The pump cover can be replaced without removing the pump housing from the engine. To do this, drain the coolant and remove only the pump cover, as described above, leaving the pump housing on the cylinder block. Install the new cover in reverse order.