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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 22 (Automatic Transmission - 6L80 (MYC) Or 6L90 (MYD) - 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

WARNING: This page is about a different car, the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban 3500 HD, and 2018 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
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
NOTE: 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
NOTE: It may be necessary to apply air pressure to remove the piston.