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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1663 (Automatic Transmission - 6L45/6L50/6L80/6L90 - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Low and Reverse Clutch Overhaul >> Low and Reverse Clutch Piston Removal

Low and Reverse Clutch Piston Removal

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Low & Reverse Clutch Piston
GM1555313Courtesy of GENERAL MOTORS CORP.
Callout Component Name
1 Low and Reverse Clutch Spring Retaining Ring
CAUTION: 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
For equivalent regional tools, refer to 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
CAUTION: Refer to Seal Reuse Caution .