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Home >> Cadillac >> 2019 >> CTS Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 133 (Automatic Transmission - 8L45 (M5N) Or 8L90 (M5U) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Control Valve Assembly and Transmission Wiring Harness Installation >> Control Valve Body Assembly Installation

Control Valve Body Assembly Installation

WARNING: This page is about a different car, the 2018 Cadillac CTS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Exploded View Of Control Valve Body Assembly With Tightening Sequence
GM3977955Courtesy of GENERAL MOTORS COMPANY
Control Valve Body Assembly Installation

Callout Component Name
1 Clutch Housing Fluid Passage Seal
Procedure 
Install a NEW seal. Do NOT reuse the old seal.
2 Automatic Transmission Output Speed Sensor Wiring Harness
3 Output Speed Sensor Bolt M6 x 25 [3x]
CAUTION:

Refer to Fastener Caution .

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.


Procedure 
Install NEW bolts. Do NOT reuse old bolts.
Tighten 
  1. First Pass: 4 N.m (35 lb in)
  2. Final Pass: 45 degrees

Special Tools 
DT-48285  Valve Body Torx Plus Socket
Equivalent regional tools: Special Tools
4 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.

Procedure

  1. Connect the automatic transmission wiring harness connector to the valve body.
  2. Connect the manual valve link to the manual valve.
5 Control Valve Solenoid Body Bolt M6 x 68 [7x]
Tighten in sequence 
9 N.m (80 lb in)
6 Control Valve Solenoid Body Bolt M6 x 45 [4x]
Tighten in sequence 
9 N.m (80 lb in)
7 Manual Shift Detent Lever Spring
8 Manual Shift Detent Lever Spring Bolt M6 x 25
Tighten 
12 N.m (106 lb in)
9 Manual Valve
Procedure 
Manual Valve Link - Connect
10 Automatic Transmission Wiring Harness
Procedure 
Automatic Transmission Control Wiring Harness - Connect
11 Automatic Transmission Control Wiring Harness
Procedure 
Connect the wiring harness connector to the manual shift shaft position switch.