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.
- Remove the exhaust manifold. Refer to Exhaust Manifold Replacement - Right Side (L99, LS3, LSA)Exhaust Manifold Replacement - Right Side (LS7) .
- Remove the oil level indicator tube bolt.
- Reposition the oil level indicator tube, if necessary.
- Remove the Engine Coolant Air Bleed Pipe and Hole Cover. Refer to Engine Coolant Air Bleed Pipe and Hole Cover Removal (LSA)Engine Coolant Air Bleed Pipe and Hole Cover Removal (LS3, L99, or LS7)
- Remove the intake manifold. Refer to Intake Manifold Replacement (LS3, LS7, LSA) Intake Manifold Replacement (LS7) .
- Remove the wiring harness from the clip at the rear of the cylinder head.
- Remove the ground wire bolts/studs from the rear, center, and front of the cylinder head.
- Remove the canister purge solenoid. Refer to Evaporative Emission Canister Purge Solenoid Valve Replacement (Except LS7)Evaporative Emission Canister Purge Solenoid Valve Replacement (LS7) .
- Reposition the harnesses as necessary.
- Remove the cylinder head bolts.
- Remove the cylinder head.
- Remove the cylinder head gasket (217).
- Discard the gasket.
- Discard the cylinder head bolts.
- Clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection (LS7)Cylinder Head Cleaning and Inspection (LS3, L99, or LSA) .
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.