Chevrolet Silverado / GMC Sierra. 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