3-5 Reverse Clutch Backing Plate Retaining Ring Measurement (6L80/6L90)

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Fig 1: View Of Backing Plate Retaining Ring

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures 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. Install the DT 47868-2 magnetic base adapter onto the torque converter housing. Install DT 47868-1 clutch pack travel weight onto the 3-5 reverse clutch backing plate. Install the J 26900-13 magnetic base onto DT 47868-2 magnetic base adapter. Attach the J 8001 dial indicator set to the J 26900-13 magnetic base and zero out the dial indicator on the DT 47868-1 clutch pack travel weight. Special Tools DT 47868-1 Clutch Pack Travel Weight DT 47868-2 Magnetic Base Adapter J 8001 Dial Indicator Set J 26900-13 Magnetic Base For equivalent regional tools, refer to Special Tools .
1	3-5 Reverse Clutch Apply Passage TIP: Apply compressed air to the apply passage hole, and observe the dial indicator measurement. Refer to Clutch Backing Plate Retaining Ring Specifications (6L90) , Clutch Backing Plate Retaining Ring Specifications (6L80) .

Callout

Component Name

Preliminary Procedures

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.
Install the DT 47868-2 magnetic base adapter onto the torque converter housing.
Install DT 47868-1 clutch pack travel weight onto the 3-5 reverse clutch backing plate.
Install the J 26900-13 magnetic base onto DT 47868-2 magnetic base adapter.
Attach the J 8001 dial indicator set to the J 26900-13 magnetic base and zero out the dial indicator on the DT 47868-1 clutch pack travel weight.

Special Tools

DT 47868-1 Clutch Pack Travel Weight
DT 47868-2 Magnetic Base Adapter
J 8001 Dial Indicator Set
J 26900-13 Magnetic Base

For equivalent regional tools, refer to Special Tools .

3-5 Reverse Clutch Apply Passage
TIP: Apply compressed air to the apply passage hole, and observe the dial indicator measurement. Refer to Clutch Backing Plate Retaining Ring Specifications (6L90) , Clutch Backing Plate Retaining Ring Specifications (6L80) .