Replacing the oil sump seal ZMZ-406
If an oil leak through the oil pan gasket cannot be eliminated by tightening its fastening bolts, it means that the gasket is severely deformed and must be replaced
Perform work on a lift or a viewing hole.
You will need wrenches for 12,14,17 (sockets), extension, universal joints.
Remove the engine mudguard.
Drain the oil.
With a 14 head, we unscrew the four bolts securing the clutch crankcase amplifier to the block.
With keys 14 and 17, we unscrew the two bolts securing the amplifier to the clutch housing
Remove the oil cooler drain hose nut and disconnect the hose from the oil pan fitting.
And remove the amplifier.
We unscrew four nuts with a 13 head and a 12 key with eleven bolts securing the oil pan to the cylinder block.
Carefully, trying not to damage the gasket, remove the pallet from the studs and put it on the beam.
Before installing a new gasket, degrease the pressure surface of the oil sump and cylinder block, then install the gasket in place.
Install the oil sump and tighten the bolts and nuts securing to the cylinder block evenly in a criss-cross pattern as shown