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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 >> Control Valve Body Assembly Removal (with ETRS) >> Control Valve Body Removal

Control Valve Body Removal

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.
GM4572651Courtesy of GENERAL MOTORS COMPANY
Control Valve Body Removal

Callout Component Name
1 Control Valve Body Bolt [5x]
2 Control Valve Body
3 1-2-3-4 Low and Reverse Clutch Fluid Passage Seal [5x]
Procedure 
Remove and DISCARD the seal.
4 Control Valve Body Ball Check Valve [6x]
NOTE:

On-Vehicle these may fall out.