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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 Installation >> Control Valve Body Assembly Installation

Control Valve Body Assembly Installation

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 Assembly
GM3977955Courtesy of GENERAL MOTORS COMPANY
Control Valve Body Assembly Installation

Callout Component Name
1 Clutch Housing Fluid Passage Seal
NOTE: Use a NEW seal.
2 Output Speed Sensor Wiring Harness
3 Output Speed Sensor Wiring Harness Bolt M6 x 25 (Qty: 3)
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.
NOTE: Install NEW bolts.

Procedure 
  1. Tighten the bolts a first pass to 4 N.m (35 lb in).
  2. Tighten the bolts a final pass to 45 Degrees

Special Tools 
DT-48285  Valve Body Torx Plus Socket
For equivalent regional tools, refer to 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 45 (Qty: 4)
Procedure 
Tighten the bolts in the sequence shown.
Tighten 
9 N.m (80 lb in)
6 Control Valve Solenoid Body Bolt M6 x 68 (Qty: 7)
Procedure 
Tighten the bolts in the sequence shown.
Tighten 
9 N.m (80 lb in)
7 Manual Shaft Detent Lever Spring
8 Manual Shaft Detent Lever Spring Bolt M6 x 25 (Qty: 1)
Tighten 
12 N.m (106 lb in)
9 Manual Valve
Procedure 
Connect the manual valve to the manual valve link.
10 A/Trans Wiring Harness
Procedure 
Connect the wiring harness connector to the A/Trans control wiring harness.
11 A/Trans Control Wiring Harness
Procedure 
Connect the wiring harness connector to the A/Trans control wiring harness.