Chevrolet Silverado / GMC Sierra. Manual — part 757

Fig. 51: View Of Auxiliary Oil Cooler, Bolts & Push Pins
Courtesy of GENERAL MOTORS CORP.

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

Radiator Grille Replacement (GMC) .

2. Place a drain pan under the vehicle.

3. Disconnect the transmission oil cooler lines from the auxiliary cooler. Refer to

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

4. Remove the auxiliary oil cooler bolts (1) and push pins (2).

5. Remove the auxiliary oil cooler from the vehicle.

INSTALLATION PROCEDURE

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

Fig. 52: View Of Auxiliary Oil Cooler, Bolts & Push Pins
Courtesy of GENERAL MOTORS CORP.

1. Install the auxiliary oil cooler to the vehicle.

2. Install the bolts (1) and the push pins (2) that retain the auxiliary oil cooler to the radiator

brace.

Tighten: Tighten the bolts to 12 N.m (9 lb ft).

3. Connect the transmission oil cooler lines to the auxiliary cooler. Refer to Transmission

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

NOTE:

Refer to Fastener Notice .

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

4. Install the front grill assembly. Refer to Radiator Grille Replacement (Chevrolet) or

Radiator Grille Replacement (GMC) .

TRANSMISSION FLUID COOLER HOSE/PIPE QUICK-CONNECT FITTING
DISCONNECTION AND CONNECTION

REMOVAL PROCEDURE

Fig. 53: Identifying Retaining Ring On Quick Connect Fitting
Courtesy of GENERAL MOTORS CORP.

2008 Chevrolet Silverado 1500

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

Sierra & Silverado