Chevrolet Silverado / GMC Sierra. Service manual — part 792

1-2-3-4 Clutch Piston Installation

1-2-3-4 CLUTCH PLATE INSTALLATION

Callout

Component Name

1

1-2-3-4 Clutch Piston

2

1-2-3-4 Clutch Spring

NOTE:

Ensure the clutch spring is centered on the piston
with the tabs facing up. Failure to do so may cause
damage to the clutch assembly.

3

1-2-3-4 Clutch Piston Dam Assembly
Tip: Lubricate the inner and outer surfaces of
the dam assembly with ATF in order to ease
installation into the piston. Install the tabs
facing up.

4

1-2-3-4 Clutch Piston Dam Retaining Ring

Special Tool:
J 38734 Intermediate Spring Compressor
Adapter. See Special Tools.

NOTE:

Use care when compressing the 1-2-3-4 clutch
spring and dam assembly. Compressing the dam
assembly too much may damage it.

NOTE:

Refer to Retaining Ring Reuse Notice .

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

Fig. 154: Installing 1-2-3-4 Clutch Plate
Courtesy of GENERAL MOTORS CORP.

1-2-3-4 Clutch Plate Installation

Callout

Component Name

1

1-2-3-4 Clutch (Waved) Plate

NOTE:

Ensure an opening between the external splines of the
waved plate is oriented with the missing snap ring
groove punch in the housing. Failure to do so may
cause damage to the clutch assembly.

2

1-2-3-4 Clutch Plate (Qty: 5)

NOTE:

Ensure all clutch plates are centered in the housing.
When installing the first steel clutch plate, ensure an
opening between the external splines is oriented with
the missing snap ring groove punch in the housing.
Align the external splines of each remaining steel clutch
plate with the first steel clutch plate. Failure to do so
may cause damage to the clutch assembly.

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

3-5 AND REVERSE CLUTCH PLATE INSTALLATION

3

1-2-3-4 Clutch Plate Assembly (Qty: 5)

4

1-2-3-4 Clutch Backing Plate

NOTE:

Align the external splines of the backing plate with the
external splines of the steel clutch plates. Failure to do
so may cause damage to the clutch assembly.

5

1-2-3-4 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 1-2-
3-4 Clutch Backing Plate Retaining Ring
Measurement.

NOTE:

Depending on the housing configuration, align the
retaining ring gap with the missing snap ring groove
punch in the housing or the offset punch in the
housing. Failure to do so may cause damage to the
clutch assembly.

2008 Chevrolet Silverado 1500

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

Sierra & Silverado

Fig. 155: Installing 3-5 and Reverse Clutch Plate
Courtesy of GENERAL MOTORS CORP.

3-5 and Reverse Clutch Plate Installation

Callout

Component Name

1

3-5 Reverse Clutch Apply Ring

NOTE:

Ensure apply ring legs are positioned into the 3-5
reverse clutch piston. Failure to do so may cause
damage to the 3-5 reverse clutch assembly.

2

3-5 Reverse Clutch (Waved) Plate

3

3-5 Reverse Clutch Plate (Qty: 4)

4

3-5 Reverse Clutch Plate Assembly (Qty: 4)

5

3-5 Reverse Clutch Backing Plate

3-5 Reverse Clutch Backing Plate Retaining Ring

NOTE:

Depending on the housing configuration, align the
retaining ring gap with the missing snap ring groove
punch in the housing or the offset punch in the
housing. Failure to do so may cause damage to the

2008 Chevrolet Silverado 1500

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

Sierra & Silverado