Chevrolet Silverado / GMC Sierra. Service manual — part 774

Fig. 108: Transmission Fluid Pan, Filter and Electrical Connector Passage Sleeve
Removal (6L80)
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

1

Bolt M6 x 20 (Qty: 18)

2

Fluid Pan Assembly

3

Fluid Pan Gasket
Tip: The fluid pan gasket is reusable. Inspect the gasket to
determine if it may be reused. If the gasket is stuck to the
case or pan, it should be replaced.

4

Fluid Filter Assembly

NOTE:

Pull the fluid filter assembly straight out to avoid damage. Do not

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

CONTROL VALVE BODY ASSEMBLY REMOVAL

bend or twist the filter neck.

5

Fluid Filter Seal Assembly

Tip: Use a screwdriver or snap ring pliers.

NOTE:

Do not damage the case sealing surface when removing the filter
seal assembly.

6

Electrical Connector Slide Lock

NOTE:

Pull up on the electrical connector slide lock to avoid damage to
the connector.

7

Electrical Connector Passage Sleeve

Special Tools

DT 47715 Electrical Connector Passage Sleeve
Remover/Installer. See Special Tools.

J 42183 Driver Handle. See Special Tools.

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

Fig. 109: Control Valve Body Assembly Removal
Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

1

Bolt M5 x 73 (Qty: 6)
Tip: Do not remove all the bolts in the control
valve body assembly. Remove only the bolts
indicated.
Special Tool:
DT-48285 Valve Body Torx Plus Socket (if
applicable). See Special Tools.

2

Control Valve Body Assembly

NOTE:

Use care when handling the control valve body

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

TORQUE CONVERTER HOUSING WITH FLUID PUMP REMOVAL

assembly. If dropped, damage to the internal
components of the control solenoid valve
assembly, including the transmission control
module (TCM), may result.

3

Fluid Pump Seal Assembly

NOTE:

Refer to Seal Reuse Notice .

4

Fluid Pump Seal Assembly

NOTE:

Refer to Seal Reuse Notice .

5

Center Support Fluid Passage Seal Assembly

NOTE:

Refer to Seal Reuse Notice .

2008 Chevrolet Silverado 1500

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

Sierra & Silverado