Cylinder Head Installation - Right
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Tools Required
J 45059 Angle Meter
- Install the right cylinder head gasket of the correct grade. The left and right cylinder head gaskets are not interchangeable. Refer to Cylinder Head Gasket Selection. Refer to Cylinder Head Gasket Selection Cylinder Head Gasket Selection .
- Install the right cylinder head.
- Install the NEW M12 cylinder head bolts. Reuse the M8 bolts.
Tighten the M12 cylinder head bolts in three steps:
Tighten:
- 1st step 50 N.m (37 lb ft)
- 2nd step 80 N.m (59 lb ft)
- 3rd step tighten 60 degrees using J 45059
- 4th step tighten 90 degrees using J 45059
- Install the M8 bolts.
Tighten: Tighten the M8 cylinder head bolts to 25 N.m (18 lb ft).
NOTE:
The left and right cylinder head gaskets are not interchangeable. Improper placement of the cylinder head gasket will block coolant and oil passages. Blocked coolant and oil passages will cause severe engine damage.
IMPORTANT:
The stamped letter R or L, must face up. R is the right bank, L is the left bank.
NOTE:
This component uses bolts with a pre-applied molybdenum disulfide coating for thread lubrication. Do not remove the coating or use any additional lubricant. Improperly lubricated threads will adversely affect the bolt torque and clamp load. Improper bolt torque and clamp load can lead to engine damage.
NOTE:
Refer to Fastener Notice in Cautions and Notices.