Chevrolet Silverado / GMC Sierra. Service manual — part 760

Fig. 62: Checking For Gap Between Cap & Fitting
Courtesy of GENERAL MOTORS CORP.

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

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 63: View Of Cooler Line & Plastic Cap
Courtesy of GENERAL MOTORS CORP.

13. Ensure that the yellow identification band on the tube is hidden within the quick connect

fitting.

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 64: Identifying Improper Joint Seating
Courtesy of GENERAL MOTORS CORP.

14. A hidden yellow identification band indicates proper joint seating.

15. Fill the transmission to the proper level with DEXRON® VI transmission fluid. Refer to

Transmission Fluid Check .

TRANSMISSION FLUID COOLER HOSE/PIPE REPLACEMENT

REMOVAL PROCEDURE

1. Remove the front grill assembly. Refer to Radiator Grille Replacement (Chevrolet) or

Radiator Grille Replacement (GMC) .

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado

Fig. 65: View Of Transmission Cooler Hoses
Courtesy of GENERAL MOTORS CORP.

2. Remove the transmission fluid cooler hose from the Auxiliary oil cooler. Refer to

Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and
Connection .

3. Remove the transmission fluid cooler hose from the radiator. Refer to Transmission Fluid

Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .

4. Raise the vehicle. Refer to Lifting and Jacking the Vehicle .

2008 Chevrolet Silverado 1500

2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,

Sierra & Silverado