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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 134 (Automatic Transmission - 6L50/6L80/6L90 - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - Off Vehicle >> 1-2-3-4 and 3-5 Reverse Clutch Overhaul (6L80) >> 3-5 Reverse Clutch Piston Removal

3-5 Reverse Clutch Piston Removal

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Fig 1: View Of 3-5 Reverse Clutch Piston & Components
GM1555360Courtesy of GENERAL MOTORS CORP.
3-5 Reverse Clutch Piston Removal

Callout Component Name

Preliminary Procedure

  1. Install the 1-2-3-4 and 3-5 reverse clutch housing assembly onto the torque converter (with fluid pump) housing assembly.
  2. Apply hand pressure on the 1-2-3-4 clutch piston housing while applying compressed air to the apply passage in order to unseat the 3-5 reverse clutch piston.
1 1-2-3-4 Clutch Piston Housing Retaining Ring
NOTE: Refer to Retaining Ring Reuse Notice .

Special Tool: 
DT 47867  Adjustable Clutch Spring Compressor. See Special Tools .
2 1-2-3-4 Clutch Piston Housing
3 3-5 Reverse Clutch Spring
4 3-5 Reverse Clutch Piston
Tip:  It may be necessary to turn the housing assembly upside down and carefully tap the housing against a flat surface in order to release the piston.