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Home >> Cadillac >> 2017 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 255 (Automatic Transmission - 8L45 (M5N) Or 8L90 (M5U) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Control Valve Assembly and Transmission Wiring Harness Removal >> Control Valve Body Assembly Removal

Control Valve Body Assembly Removal

WARNING: This page is about a different car, the 2016 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Control Valve Body
GM3977877Courtesy of GENERAL MOTORS COMPANY
Control Valve Body Assembly Removal

Callout Component Name
1 Manual Shaft Detent Lever Spring Bolt M6 x 25 [1x]
2 Manual Shaft Detent Lever Spring
3 A/Trans Control Wiring Harness
Procedure 
Disconnect the wiring harness connector from the manual shift shaft position switch.
4 A/Trans Wiring Harness
Procedure 
Disconnect the wiring harness connector from the A/Trans control wiring harness.
5 Manual Valve
Procedure 
Disconnect the manual valve from the manual valve link.
6 Control Valve Solenoid Body Bolt M6 x 68 [7x]
NOTE: Do not remove all the bolts in the control valve body assembly. Remove only the bolts indicated.

Special Tools 
DT-48285  Valve Body Torx Plus Socket
For equivalent regional tools, refer to Special Tools
7 Control Valve Solenoid Body Bolt M6 x 45 [4x]
NOTE: Do not remove all the bolts in the control valve body assembly. Remove only the bolts indicated.

Special Tools 
DT-48285  Valve Body Torx Plus Socket
For equivalent regional tools, refer to Special Tools .
8 Control Valve Body Assembly
CAUTION: Use care when handling the control valve body assembly. If dropped, damage to the control solenoid valve body assembly internal components may result.
9 Output Speed Sensor Wiring Harness Bolt M6 x 25 [3x]
CAUTION: This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.
NOTE: Remove and DISCARD the bolts.

Special Tools 
DT-48285  Valve Body Torx Plus Socket
For equivalent regional tools, refer to Special Tools .
10 Output Speed Sensor Wiring Harness
11 Clutch Housing Fluid Passage Seal
NOTE: DISCARD the seal.