Installation Procedure

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Do Not Install Retaining Ring In This Manner

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: When performing the following procedure, do not reuse the old retaining rings. Replace the old retaining rings with new ones.
Do not install the new retaining ring onto the fitting by pushing the retaining ring down over the fitting.

Install a new retaining ring into each quick connector fitting.

Fig 2: Hooking Retaining Ring

Courtesy of GENERAL MOTORS CORP.

Hook one of the open ends of the retaining ring in one of the slots in the quick connector.

Fig 3: Positioning Retaining Ring

Courtesy of GENERAL MOTORS CORP.

Rotate the retaining ring around the connector until the retaining ring is positioned with all 3 ears through the 3 slots.

Fig 4: View of Retaining Ring Ear

Courtesy of GENERAL MOTORS CORP.

Ensure the 3 retaining ring ears can be seen from the inside of the connector and the retaining ring can move freely in the slots.

Fig 5: View Of Engine Oil Cooler Line Connections

Courtesy of GENERAL MOTORS CORP.

Install the engine oil cooler line into the quick connector fitting until a click is heard or felt.
Pull back on the engine oil cooler lines to ensure a proper connection.

Fig 6: View Of Cooler Line & Plastic Cap

Courtesy of GENERAL MOTORS CORP.

IMPORTANT: Do not manually depress the retaining clip when installing the plastic cap.

Snap the plastic cap onto the quick connect fitting.
Ensure that the plastic cap is fully seated against the fitting.

Fig 7: Checking For Gap Between Cap & Fitting

Courtesy of GENERAL MOTORS CORP.

Ensure that no gap is present between the cap and the fitting.
Inspect and fill the engine oil to the proper level.