Replacing the cylinder head cover gasket

If oil leakage from under the cylinder head cover could not be eliminated by tightening the cover bolts, replace its gasket.

You will need a key «at 12».

1. Disconnect the wire from the terminal «minus» battery.



2. Disconnect the crankcase ventilation hose from the cylinder head cover.



3. Disconnect the wiring harness pads from the two camshaft position sensors (cm. «Check and replacement of gauges of a control system of the engine»).



4. Disconnect the wiring harness pads from the two valves of the variable valve timing system..




5.... Remove the mounting bolts and remove the phase adjustment valves.



6. Remove from spark plugs tips of high-voltage wires.



7. Turn out twelve bolts of fastening of a cover of a head of the block of cylinders, remove a cover and the lining established under it.

8. Clean the grooves of the cover and the mating surface of the head of the block from the remnants of the old gasket.




Pic. 5.4. The order of tightening the cylinder head cover bolts

9. Install the cylinder head cover with a new gasket and all removed parts in the reverse order of removal. Bolts of fastening of a cover tighten in the order shown in fig. 5.4, in two steps:

1st stage - pre-tightening with a torque of 3.0 Nm (0.3 kgf·m);

2nd stage - final tightening with a torque of 9.0 Nm (0.9 kgf·m).