Removal Procedure
WARNING: This page is about a different variant/trim than selected.
- Drain the coolant. Refer to Cooling System Draining and Filling (LSA, LS3, LS7, L99 Static Fill)Cooling System Draining and Filling (GE 47716) .
- Remove the valve rocker arms and pushrods. Refer to Valve Rocker Arm and Push Rod Replacement .
- Remove the engine coolant air bleed hose. Refer to Engine Coolant Air Bleed Hose Replacement (LS7) .
- Remove the exhaust manifold. Refer to Exhaust Manifold Replacement - Left Side (LS7) .
- Remove the Engine Coolant Air Bleed Pipe and Hole Cover. Refer to Engine Coolant Air Bleed Pipe and Hole Cover Removal (LS3, L99, or LS7) .
- Remove the engine wiring harness ground bolt from the rear of the left cylinder head.
- Reposition the engine wire harness ground strap away from the cylinder head.
- Disconnect and unclip electrical as necessary.
- Remove and discard the cylinder head bolts (1,2).
- Remove the cylinder head (3).
- Remove the cylinder head gasket (1) and locating pins (2).
- Discard the gasket.
- Discard all M8 and M11 cylinder head bolts.
- Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection (LS7) .
NOTE:
The cylinder head bolts are NOT reusable.
CAUTION:
After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.