Control Valve Lower Body and Upper Body Replacement

Fig 1: Identifying Control Valve Lower Body & Upper Body Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
Preliminary Procedures Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle . Remove the transmission fluid pan, gasket and filter. Refer to Automatic Transmission Fluid, Fluid Pan and/or Filter Replacement . Remove the electrical connector sleeve. Refer to Automatic Transmission Electrical Connector Passage Sleeve Replacement .
1	Manual Shaft Detent Assembly Bolt CAUTION: Refer to Fastener Caution . Tighten: 12 N.m (106 lb in)
2	Manual Shaft Detent Assembly Tip: Ensure the manual shaft detent assembly roller is centered over the manual shaft detent lever assembly. Failure to center the roller may cause hard or no shift lever operation.
3	Control Valve Assembly Bolt (Qty: 6) Tip: Tighten the bolts in the proper order. Do not remove all the bolts in the control valve body assembly. Remove only the bolts indicated. Tighten: 8 N.m (71 lb in)
4	Control Valve Assembly Tip: For control valve body disassembly. For control valve body cleaning and inspection. For ball check valve locations. For control valve body assembly. Align the manual shift shaft position switch activator slide with the detent lever guide pin during control valve body installation.
5	Fluid Pump Seal Assembly Tip: Do not reuse the seal assembly.
6	Fluid Pump Seal Assembly Tip: Do not reuse the seal assembly.
7	Center Support Fluid Passage Seal Assembly Tip: Do not reuse the seal assembly. Procedure: After an internal transmission repair or internal part replacement, the Service Fast Learn Adapt procedure should be performed. Refer to Service Fast Learn Adapts .