Control Valve Lower Body and Upper Body Replacement

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2010 GMC Yukon XL, 2010 GMC Yukon, 2010 Chevrolet Tahoe, 2010 Chevrolet Suburban, and 2010 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: View Of Control Valve Lower & Upper Body

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures: Remove the transmission electrical connector. Refer to Automatic Transmission Electrical Connector Passage Sleeve Replacement .
1	Manual Shaft Detent Bolt CAUTION: Refer to Fastener Caution . Tighten: 12 N.m (106 lb in)
2	Manual Shaft Detent Assembly
3	Control Valve Assembly Bolt (Qty: 6) Procedure Do not remove all the bolts in the control valve body assembly. Remove only the bolts indicated. Tighten in specified sequence. Tighten: 8 N.m (71 lb in)
4	Control Valve Assembly
5	Fluid Pump Seal Procedure: Discard seal and replace with new.
6	Fluid Pump Seal Procedure: Discard seal and replace with new.
7	Center Support Fluid Passage Seal Procedure Discard seal and replace with new. It is recommended that transmission adaptive pressure (TAP) information be reset. Transmission performance may be affected as new TAP values are learned. Refer to Service Fast Learn Adapts . If replacing the control valve body assembly, remove the Control Solenoid Valve and Transmission Control Module Assembly Replacement and the Manual Shift Shaft Position Switch Replacement .