- screwdriver
- seal press mandrel
- hammer
Disconnect the wire from the "–" terminal of the battery.
Remove the gearbox (see subsection 11.1.1.), clutch (see subsection 11.2.1.) and flywheel (see subsection 10.7, operations 77–80).
The reason for the clutch discs becoming oily may be an oil leak either through the gearbox input shaft seal or through the crankshaft rear seal.
Motor and transmission oils have different smells. Therefore, having a certain skill, you can determine by smell which of the seals is defective.
If you find signs of oil leaking through the crankshaft oil seal, first check whether the crankcase ventilation system is clogged or whether its hoses are pinched, and correct the faults if necessary.
If the leak does not stop after this, replace the seal.

1. Using a screwdriver, pry the working edge out of the seal. Be careful – the seal may be pushed into the engine.

2. Lubricate the working lip of the new oil seal with engine oil. Install the oil seal with the working lip inside the cylinder block and carefully tuck the working lip onto the crankshaft flange using a wooden stick.

3. Press the seal flush with the surface of the holder using a suitable mandrel. The seal may be recessed relative to the surface of the holder by no more than 0.25 mm.
(Information copied from the portal: VAZBOOK)
