Chevrolet Silverado / GMC Sierra. Manual - part 797
1-2-3-4 and 3-5 Reverse Clutch Bearing Assembly Replacement
1-2-3-4 CLUTCH BACKING PLATE RETAINING RING MEASUREMENT
Callout
Component Name
1
3-5 Reverse Clutch Bearing
Specification: Install the bearing flush to 0.3 mm
below the thrust surface.
Special Tools
DT 47865 Bearing Remover. See Special
Tools.
DT 47866 Bearing Installer. See Special
Tools.
J 8092 Driver Handle
J 45124 Removal Bridge. See Special Tools.
NOTE:
Install the NEW bearing assembly with the seal side
up. Improper installation of the bearing may cause
damage to the transmission.
NOTE:
Do not reuse the bearing. Install a NEW bearing.
Reusing an old bearing may cause damage to the
transmission.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 166: 1-2-3-4 Clutch Backing Plate Retaining Ring Measurement
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Install the 1-2-3-4 and 3-5 reverse clutch housing with the 1-2-3-4 clutch plates
installed, onto the torque converter housing.
2. Install the DT 47868-2 onto the torque converter housing. See Special Tools.
3. Install DT 47868-1 and DT-47868-3 onto the 1-2-3-4 clutch backing plate. See
Special Tools.
4. Install the J 26900-13 onto DT 47868-2 . See Special Tools.
5. Attach the J 8001 to the J 26900-13 and zero out the dial indicator on the DT 47868-
1 . See Special Tools.
Special Tools
DT 47868-1 Clutch Pack Travel Weight. See Special Tools.
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
3-5 REVERSE CLUTCH BACKING PLATE RETAINING RING MEASUREMENT
(6L80/6L90)
DT 47868-2 Magnetic Base Adapter. See Special Tools.
DT-47868-3 Clutch Travel Weight Adapter. See Special Tools.
J 8001 Dial Indicator Set
J 26900-13 Magnetic Base
1
1-2-3-4 Clutch Apply Passage
Tip: Apply compressed air to the apply passage
hole, at least 3 times and observe the dial indicator
measurement each time. This action "fluffs" the
clutch plates to ensure an accurate measurement.
Refer to Clutch Backing Plate Retaining Ring
Specifications (6L80) or Clutch Backing Plate
Retaining Ring Specifications (6L90) .
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado
Fig. 167: 3-5 Reverse Clutch Backing Plate Retaining Ring Measurement (6L80/6L90)
Courtesy of GENERAL MOTORS CORP.
Callout
Component Name
Preliminary Procedures
1. Install the 1-2-3-4 and 3-5 reverse clutch housing with the 1-2-3-4 and 3-5 reverse
clutch plates installed, onto the torque converter housing.
2. Install the DT 47868-2 onto the torque converter housing. See Special Tools.
3. Install DT 47868-1 onto the 3-5 reverse clutch backing plate. See Special Tools.
4. Install the J 26900-13 onto DT 47868-2 . See Special Tools.
5. Attach the J 8001 to the J 26900-13 and zero out the dial indicator on the DT 47868-
2008 Chevrolet Silverado 1500
2008 TRANSMISSION Automatic Transmission - 6L50/6L80/6L90 - Cab & Chassis Sierra, Cab & Chassis Silverado,
Sierra & Silverado