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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 537 (Automatic Transmission - 6L80/6L90 - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 1-2-3-4 Clutch Backing Plate Retaining Ring Measurement >> Apply Compressed Air and Measurement

Apply Compressed Air and Measurement

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Fig 1: 1-2-3-4 Clutch Backing Plate Retaining Ring Component View
GM1696425Courtesy of GENERAL MOTORS COMPANY
Apply Compressed Air and Measurement

Callout Component Name

Preliminary Procedures

  1. Install the DT 47868-2  base adapter onto the torque converter housing.
  2. Install DT 47868-1  travel weight and DT-47868-3  travel weight adapter onto the 1-2-3-4 clutch backing plate.
  3. Install the GE 26900-13  magnetic base onto DT 47868-2  base adapter.
  4. Attach the GE 8001  dial indicator set to the GE 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
  • GE 8001  Dial Indicator Set
  • GE 26900-13  Magnetic Base
For equivalent regional tools, refer to Special Tools .
1 Compensator Feed Fluid Passage

Procedure

  1. Apply compressed air to the compensator feed fluid passage.
  2. 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 (6L90) , Clutch Backing Plate Retaining Ring Specifications (6L80) .