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Home >> GMC >> 2021 >> Terrain SLE, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 122 (Automatic Transmission - 9T45 (M3U) Or 9T50 (M3D M3H) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> 1-Reverse and 1-2-3-4-5-6 Clutch Piston Housing Disassemble >> 1-Reverse and 1-2-3-4-5-6 Clutch Piston Housing (2 of 2) Disassemble

1-Reverse and 1-2-3-4-5-6 Clutch Piston Housing (2 of 2) Disassemble

WARNING: This page is about a different car, the 2020 GMC Terrain and 2020 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
GM4420237Courtesy of GENERAL MOTORS COMPANY
1-Reverse and 1-2-3-4-5-6 Clutch Piston Housing (2 of 2) Disassemble

Callout Component Name
1 1-2-3-4-5-6 Clutch Spring Retaining Ring
2 1-2-3-4-5-6 Clutch Piston Return Spring
3 1-2-3-4-5-6 Clutch Piston
Procedure 
Blow air in port to help release the piston from the housing.
4 1-2-3-4-5-6 Clutch Piston Inner Seal
Procedure 
Remove and DISCARD the seal.
5 1-2-3-4-5-6 Clutch Piston Seal
Procedure 
Remove and DISCARD the seal.