Removal Procedure
WARNING: This page is about a different car, the 2002 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.
- Drain the cooling system. Refer to DRAINING AND FILLING COOLING SYSTEM in ENGINE COOLING SYSTEM .
- Remove the left spark plug wires. Refer to SPARK PLUG WIRE REPLACEMENT in ENGINE CONTROLS - REMOVAL & INSTALLATION, OVERHAUL .
- Remove the thermostat bypass hose and the pipe. Refer to THERMOSTAT BYPASS PIPES REPLACEMENT in ENGINE COOLING SYSTEM .
- Remove the Positive Crankcase Ventilation (PCV) valve from the left valve rocker arm cover.
- Remove the left valve rocker arm cover bolts.
- Remove the left valve rocker arm cover.
- Remove the left valve rocker arm cover gasket.
- Clean the valve rocker arm cover.
- Clean the valve rocker arm cover gasket mating surfaces.