Chevrolet Silverado / GMC Sierra. Service manual — part 1622

Fig. 36: View Of Retaining Ring Ears From Inside Of Connector
Courtesy of GENERAL MOTORS CORP.

4. 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.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 37: View Of Engine Oil Cooler Line Connections
Courtesy of GENERAL MOTORS CORP.

5. 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.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 38: View Of Cooler Line & Plastic Cap
Courtesy of GENERAL MOTORS CORP.

6. Snap the plastic cap onto the quick connect fitting.

7. Ensure that the plastic cap is fully seated against the fitting.

IMPORTANT: Do not manually depress the retaining clip when installing

the plastic cap.

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado

Fig. 39: Checking For Gap Between Cap & Fitting
Courtesy of GENERAL MOTORS CORP.

8. Ensure that no gap is present between the cap and the fitting.

9. Inspect and fill the engine oil to the proper level.

ENGINE OIL COOLER HOSE/PIPE REPLACEMENT

2008 Chevrolet Silverado 1500

2008 ENGINE Engine Cooling - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado