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Home >> Hummer >> 2007 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 1055 (Automatic Transmission - 6L50/6L80/6L90 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Off-Vehicle Repair Instructions >> Low & Reverse Clutch Overhaul (6L90) >> Low & Reverse Clutch Piston Removal

Low & Reverse Clutch Piston Removal

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: View Of Low & Reverse Clutch Piston Assembly & Components
GM1555313Courtesy of GENERAL MOTORS CORP.
Low and Reverse Clutch Piston Removal

Callout Component Name
1 Low and Reverse Clutch Spring Retaining Ring
NOTE: Ensure the DT 47779 contacts the sprag assembly and not the sprag retaining ring. Damage to the sprag may result.

Special Tool: 
DT 47779  Clutch Spring Compressor. See Special Tools .
2 Low Clutch Sprag Assembly
3 Low and Reverse Clutch Spring
4 Low and Reverse Clutch Piston Assembly
Tip:  It may be necessary to apply air to the apply passage in order to unseat the piston.
5 Low Clutch Sprag Seal
NOTE: Refer to Seal Reuse Notice .