Chevrolet Silverado / GMC Sierra. Service manual — part 787

Fig. 141: Installing 4-5-6 Clutch Plates
Courtesy of GENERAL MOTORS CORP.

4-5-6 Clutch Plates Installation

4-5-6 CLUTCH OVERHAUL (6L90)

4-5-6 CLUTCH PLATES REMOVAL

Callout

Component Name

1

4-5-6 Clutch (Waved) Plate

2

4-5-6 Clutch Plate (Qty: 6)

3

4-5-6 Clutch Plate Assembly (Qty: 6)

4

4-5-6 Clutch Backing Plate

5

4-5-6 Clutch Backing Plate Retaining Ring
Tip: After the retaining ring is installed, determine
clutch piston travel in order to verify if the correct
selective retaining ring is being used. Refer to 4-5-6
Clutch Backing Plate Retaining Ring
Measurement.

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

Fig. 142: 4-5-6 Clutch Plates Removal
Courtesy of GENERAL MOTORS CORP.

4-5-6 Clutch Plates Removal

4-5-6 CLUTCH PISTON REMOVAL

Callout

Component Name

1

4-5-6 Clutch Backing Plate Retaining Ring

2

4-5-6 Clutch Backing Plate

3

4-5-6 Clutch Plate Assembly (Qty: 7)

4

4-5-6 Clutch Plate (Qty: 7)

5

4-5-6 Clutch (Waved) Plate

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

Fig. 143: Removing 4-5-6 Clutch Piston
Courtesy of GENERAL MOTORS CORP.

4-5-6 Clutch Piston Removal

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

TURBINE SHAFT FLUID SEAL RING REPLACEMENT

Callout

Component Name

1

4-5-6 Clutch Piston Dam Retaining Ring

Special Tool:
J 43074 Clutch Spring Compressor. See
Special Tools.

NOTE:

Use care when compressing the 4-5-6 clutch piston
assembly, spring and dam assembly. Compressing
the dam assembly too much may damage it.

NOTE:

Refer to Retaining Ring Reuse Notice .

2

4-5-6 Clutch Piston Dam Assembly
Tip: It may be necessary to apply air pressure
to remove the dam and piston.

3

4-5-6 Clutch Spring

4

4-5-6 Clutch Piston Assembly
Tip: It may be necessary to apply air pressure
to remove the piston.

2008 Chevrolet Silverado 1500

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

Sierra & Silverado