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Home >> Chevrolet >> 2013 >> Corvette Base, 2D Convertible, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 287 (Automatic Transmission - 6L80/6L90 - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Control Valve Lower Body and Upper Body Replacement

Control Valve Lower Body and Upper Body Replacement

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Fig 1: Control Valve Lower And Upper Body
GM1655115Courtesy of GENERAL MOTORS CORP.
Control Valve Lower Body and Upper Body Replacement

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

  1. Discard seal and replace with new.
  2. It is recommended that transmission adaptive pressure (TAP) information be reset. Transmission performance may be affected as new TAP values are learned. Refer to Reset Transmission Adapts .
  3. 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 .