Removal Procedure

WARNING: This page is about a different car, the 2005 Cadillac STS. However, it is still accessible from the selected car via links, so may be relevant.

Remove the right bank secondary timing chain. Refer to Secondary Camshaft Drive Chain Replacement - Right .
Remove the coolant inlet pipe bolts and reposition the coolant inlet pipe to provide access. Refer to Coolant Pipe Replacement - Inlet (LY7) in Engine Cooling.
Remove the catalytic converter. Refer to Catalytic Converter Replacement - Right (LY7) in Engine Exhaust.

Fig 1: View Of Wiring Harness Ground Bolt At Side Of Right Cylinder Head

Courtesy of GENERAL MOTORS CORP.

Remove the wiring harness ground from the side of the cylinder head.

Fig 2: Locating Engine Wiring Harness Bracket Bolt & Engine Wiring Harness Bracket Stud

Courtesy of GENERAL MOTORS CORP.

Remove the wiring harness conduit upper bolt from the cylinder head and reposition the conduit to provide access.
Remove the battery cable from the cylinder head. Refer to Battery Negative Cable Replacement (LY7) or Battery Negative Cable Replacement (LH2) in Engine Electrical.

Fig 3: View Of Right Cylinder Head

Courtesy of GENERAL MOTORS CORP.

Remove the cylinder head with the exhaust manifold. Refer to Cylinder Head Removal - Right .

Fig 4: View Of Right Cylinder Head Gasket

Courtesy of GENERAL MOTORS CORP.

Remove and discard the cylinder head gasket.
Clean and inspect the cylinder head and the engine block sealing surfaces. Refer to Cylinder Head Cleaning and Inspection and Engine Block Cleaning and Inspection .
If necessary, perform the following steps:
- Remove the exhaust manifold from the cylinder head. Refer to Exhaust Manifold Removal - Right (RWD) or Exhaust Manifold Removal - Right (AWD) .
- Disassemble the cylinder head. Refer to Cylinder Head Disassemble .