Removal Procedure
- Drain the coolant system. Refer to Cooling System Draining and Filling (Vac N Fill L83 L86)Cooling System Draining and Filling (Static Fill L83 L86) .
- Remove the fuel injector rail. Refer to Fuel Injection Fuel Rail Assembly Replacement - Bank 2 .
- Remove the generator bracket. Refer to Generator Bracket Replacement (L83, L86) .
- Remove the exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side (L83, L86) .
- Remove the ground wire bolt from the rear of the cylinder head and position the ground wire away.
- Remove the valve rocker arms and push rods. Refer to Valve Rocker Arm and Push Rod Replacement .
- Remove the cylinder head bolts (1).
- Disconnect electrical connectors as necessary.
- Remove cylinder head (2).
- Remove and DISCARD cylinder head gasket (3). Refer to Replacing Engine Gaskets .
- For cleaning and inspection. Refer to Cylinder Head Cleaning and Inspection .
- For cylinder head disassemble. Refer to Cylinder Head Disassemble .
NOTE:
Ensure to DISCARD all cylinder head bolts.