Replacing the cylinder head cover gasket ZMZ 406 GAZ-2705
Over time, during operation, the gasket under the engine head cover loses its elasticity and strength and oil leaks from under the cover
You can try tightening the cover bolts.
If an oil leak from under the cylinder head cover cannot be eliminated by tightening the cover bolts, replace the gasket.
You will need: a 12 wrench, a screwdriver.
- Disconnect the wire from the negative terminal of the battery.
- Drain the cooling system
Loosen the inlet hose clamp and move it aside.
Disconnect the hose and wire harness holders.
Remove the crankshaft position sensor harness from the holder.
Remove the high voltage wire ends from the spark plugs.
If the replacement of high-voltage wires is not expected, the tips can not be removed from the wells of the cover
Disconnect the wire blocks from the primary connectors of the ignition coil.
Remove the head cover bolts.
Disconnect the wire blocks from the connectors of the primary winding of the ignition coil.
Turn out bolts of fastening of a cover of a head of the block.
and remove the cover along with the gasket, high voltage wires and ignition coils.
Peel the gasket off the cover.
Inspect the condition of the valve cover seal and oil scraper tubes, replace if necessary.
Degrease the cylinder head and cover surfaces
Install a new gasket on the cover, install the cover in the reverse order of removal, and connect all hoses and wires