Removal Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.

Drain the engine coolant from the cooling system.
Refer to DRAINING AND FILLING COOLING SYSTEM .
Raise and support the vehicle.
Disconnect the knock sensor electrical connector.
Remove the oil filter. Refer to ENGINE OIL AND OIL FILTER REPLACEMENT .

Fig 1: Removing Oil Filter
Courtesy of GENERAL MOTORS CORP.
Disconnect the oil cooler outlet hose from the oil cooler.

Fig 2: Disconnecting Oil Cooler Outlet Hose From Oil Cooler
Courtesy of GENERAL MOTORS CORP.
Remove the oil cooler connector.

Fig 3: Removing Oil Cooler Connector
Courtesy of GENERAL MOTORS CORP.
Remove the oil cooler inlet hose clamp and the oil cooler.

Fig 4: Removing Oil Cooler
Courtesy of GENERAL MOTORS CORP.
Remove the oil cooler inlet hose clamp and oil cooler inlet hose from the oil cooler hose fitting.

Fig 5: Removing Oil Cooler Inlet Hose
Courtesy of GENERAL MOTORS CORP.
If necessary, remove the oil cooler hose fitting.

Fig 6: Removing Oil Cooler Hose Fitting
Courtesy of GENERAL MOTORS CORP.