Apply Compressed Air and Measurement

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Fig 1: Identifying 1-2-3-4 Clutch Backing Plate Retaining Ring Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Install the DT 47868-2: base adapter onto the torque converter housing. Install DT 47868-1: travel weight and DT-47868-3: travel weight adapter onto the 1-2-3-4 clutch backing plate. Install the J 26900-13: magnetic base onto DT 47868-2: base adapter. Attach the J 8001: dial indicator set to the J 26900-13: magnetic base. Special Tools DT 47868-1: Clutch Pack Travel Weight DT 47868-2: Magnetic Base Adapter DT-47868-3: Clutch Travel Weight Adapter J 8001: Dial Indicator Set J 26900-13: Magnetic Base For equivalent regional tools, refer to Special Tools .
1	Compensator Feed Fluid Passage Procedure Apply compressed air to the compensator feed fluid passage. Zero out the dial indicator J 8001: dial indicator set.
2	1-2-3-4 Clutch Apply Passage Procedure: While Applying compressed air to the compensator feed fluid passage, simultaneously apply compressed air to the 1-2-3-4 clutch apply passage. Do this at least 3 times and observe the dial indicator measurement each time. Refer to Clutch Backing Plate Retaining Ring Specifications (6L80) or Clutch Backing Plate Retaining Ring Specifications (6L90) .

Callout

Component Name

Preliminary Procedures

Install the DT 47868-2: base adapter onto the torque converter housing.
Install DT 47868-1: travel weight and DT-47868-3: travel weight adapter onto the 1-2-3-4 clutch backing plate.
Install the J 26900-13: magnetic base onto DT 47868-2: base adapter.
Attach the J 8001: dial indicator set to the J 26900-13: magnetic base.

Special Tools

DT 47868-1: Clutch Pack Travel Weight
DT 47868-2: Magnetic Base Adapter
DT-47868-3: Clutch Travel Weight Adapter
J 8001: Dial Indicator Set
J 26900-13: Magnetic Base

For equivalent regional tools, refer to Special Tools .

Compensator Feed Fluid Passage

Procedure

Apply compressed air to the compensator feed fluid passage.
Zero out the dial indicator J 8001: dial indicator set.

1-2-3-4 Clutch Apply Passage
Procedure:
While Applying compressed air to the compensator feed fluid passage, simultaneously apply compressed air to the 1-2-3-4 clutch apply passage. Do this at least 3 times and observe the dial indicator measurement each time. Refer to Clutch Backing Plate Retaining Ring Specifications (6L80) or Clutch Backing Plate Retaining Ring Specifications (6L90) .