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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 >> 4-5-6 Clutch Overhaul (6L80/6L90) >> 4-5-6 Clutch Piston Removal

4-5-6 Clutch Piston Removal

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Fig 1: 4-5-6 Clutch Piston
GM1555321Courtesy of GENERAL MOTORS COMPANY
4-5-6 Clutch Piston Removal

Callout Component Name
1 4-5-6 Clutch Piston Dam Retaining Ring
CAUTION:

Use care when compressing the 4-5-6 clutch piston assembly, spring and dam assembly. Compressing the dam assembly too much may damage it.

CAUTION:

Refer to Retaining Ring Reuse Caution .


Special Tool 
J 43074  Clutch Spring Compressor
For equivalent regional tools, refer to Special Tools .
2 4-5-6 Clutch Piston Dam Assembly
TIP:  It may be necessary to apply air pressure to remove the dam and piston.
3 4-5-6 Clutch Spring
4 4-5-6 Clutch Piston Assembly
TIP:  It may be necessary to apply air pressure to remove the piston.