
Service Information
2020 GMC Terrain |
Equinox, Terrain Service Manual (N America, Israel, MidEast - except Central America/Caribbean) (13286553) |
Document ID: 4573248
Control Valve Body Assembly Disassemble (with ETRS)
Single Use Fasteners and ComponentsControl Valve Body Spacer Plate Retainer[2x]
Disassemble Procedure

- Variable Feed Solenoid Clutch Accumulator Piston Spring(1)»Remove[2x]
- Variable Feed Solenoid Clutch Accumulator Piston(2)»Remove[2x]
- Control Valve Channel Plate Ball Check Valve Spring(3)»Remove
- Transmission Fluid Cooler Ball Check Valve(4)»Remove[2x]

- Control Valve Solenoid Body Bolt(1)»Remove[2x]
- Oil Transfer Plate(2)»Remove
- Control Valve Body Locating Pin(3)»Remove[2x]
Note: Inspect the control valve body spacer plate and replace if necessary.
- Control Valve Body Spacer Plate(4)»Remove
- Variable Feed Solenoid Clutch Accumulator Piston Spring(5)»Remove[2x]
- Variable Feed Solenoid Clutch Accumulator Piston(6)»Remove[2x]
Note: The plug, spring, and valve are exploded for visual purpose only.
- Do not remove the park selector valve bore plug (7), park selector valve spring (8), and control valve body ball check valve (9). These are not serviceable components. Clean components in the control valve body to best of ability.
- Control Valve Body Ball Check Valve(10)»Remove

- Control Valve Solenoid Body Bolt(1)»Remove[2x]
- Park Servo Piston Switch(2)»Remove
- Mode Valve Position Switch(3)»Remove

- Control Valve Body Spacer Plate Retainer(1)»Remove and DISCARD[2x]
Note: Inspect the control valve body spacer plate and replace if necessary.
- Control Valve Body Spacer Plate(2)»Remove
- Control Valve Body Locating Pin(3)»Remove[2x]
- Control Valve Body Ball Check Valve(4)»Remove[8x]