Cylinder Head Replacement - Left

Cylinder Head Replacement - Left Side

Removal Procedure

1. Remove the left bank secondary timing chain. Refer to Secondary Camshaft Drive Chain Replacement - Left Side (Secondary Camshaft Intermediate Drive Chain Replacement - Left) .
2. Remove the oil level indicator. Refer to Oil Level Indicator and Tube Replacement (Service and Repair) .
3. Disconnect the coolant temperature sensor electrical connector.




4. Remove the wiring harness ground from the cylinder head.
5. Remove the catalytic converter. Refer to Catalytic Converter Replacement - Left Side (LY7) (Catalytic Converter Replacement - Left Side (LY7))Catalytic Converter Replacement - Left Side (LZ4) (Service and Repair) .




6. Remove the cylinder head with the exhaust manifold. Refer to Cylinder Head Removal - Left Side (Overhaul) .




7. Remove and discard the cylinder head gasket.
8. Clean and inspect the cylinder head and the engine block sealing surfaces. Refer to Cylinder Head Cleaning and Inspection (Overhaul) and Engine Block Cleaning and Inspection (Overhaul) .
9. If necessary, perform the following steps:

* Remove the exhaust manifold from the cylinder head. Refer to Exhaust Manifold Removal - Left Side (Overhaul) .
* Remove the camshaft. Refer to Camshaft Removal - Left Side (Overhaul) .
* Disassemble the cylinder head. Refer to Cylinder Head Disassemble (Overhaul) .




Installation Procedure

1. If necessary, perform the following steps:

* Assemble the cylinder head. Refer to Cylinder Head Assemble (Overhaul) .
* Install the camshaft. Refer to Camshaft Installation - Left Side (Overhaul) .
* Install the exhaust manifold to the cylinder head. Refer to Exhaust Manifold Installation - Left Side (Overhaul) .





2. Install a NEW cylinder head gasket.




3. Carefully install the cylinder head with the exhaust manifold to the engine. Refer to Cylinder Head Installation - Left Side (Overhaul) .
4. Install the catalytic converter to the exhaust manifold. Refer to Catalytic Converter Replacement - Left Side (LY7) (Catalytic Converter Replacement - Left Side (LY7))Catalytic Converter Replacement - Left Side (LZ4) (Service and Repair) .
5. Connect the wiring harness electrical connector located at the side of the cylinder head.





Notice: Refer to Fastener Notice .

6. Install the wiring harness ground to the cylinder head.

Tighten the wiring harness ground bolt to 10 N.m (89 lb in).

7. Install the coolant temperature sensor electrical connector.
8. Install the oil level indicator. Refer to Oil Level Indicator and Tube Replacement (Service and Repair) .
9. Install the left bank secondary timing chain. Refer to Secondary Camshaft Drive Chain Replacement - Left Side (Secondary Camshaft Intermediate Drive Chain Replacement - Left) .