Tightening cylinder head nuts

• Clean the drainage plug and screw it back onto the sump along with the relative gasket.
• Lubricate the gasket on the new filter with oil and screw the filter on tightly.
• Lower the vehicle.
• Refill the system with the specified oil in the quantity indicated
• Check that the level is correct with the dipstick.

CAUTION The engine oil level should be checked when the vehicle is on level ground. If the oil level exceeds the MAX mark a loss off pressure will be caused by the excessive evaporation of the oil.

• Screw on the oil cap, and run the engine for about 2 minutes, then switch off the engine and wait for a couple of minutes.
• Check the level of the oil and check for leaks.

TIGHTENING CYLINDER HEAD NUTS

CAUTION The cylinder head nuts should only be tightened when the engine is cold.

• Remove the timing cover (see CHECKING AND ADJUSTING VALVE CLEARANCE)
• Loosen the nuts by one turn following the sequence indicated in the illustration. Lubricate the surface between the washer and nut with engine oil and tighten to the following torque:

82.65 - 91.35 Nm
8.43 - 9.3 kgm

• Refit the timing cover by reversing the procedure followed for removal.

NOTE: When removing or refitting the cylinder head, initially tighten to the following torque:

76 - 84 Nm
7.75 - 8.56 kgm

After bench testing tighten again as before.