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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1860 (Automatic Transmission - 6L80/6L90 - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 1-2-3-4 and 3-5 Reverse Clutch Overhaul (6L50/6L80/6L90) >> 3-5 Reverse Clutch Piston Removal

3-5 Reverse Clutch Piston Removal

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

Callout Component Name

Preliminary Procedures

  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
CAUTION:

Refer to Retaining Ring Reuse Caution .


Special Tool 
DT 47867  Adjustable Clutch Spring Compressor
For equivalent regional tools, refer to 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.