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Home >> Chevrolet >> 2003 >> Silverado 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 583 (Automatic Transmission - 6T75 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> On-Vehicle Repair Instructions >> Control Valve Body Cover Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the battery tray. Refer to Battery Tray Replacement (HP7) .
    2. Fig 1: Identifying Oil Cooler Inlet And Outlet Hoses
    GM1832466Courtesy of GENERAL MOTORS CORP.
  2. Remove the oil cooler inlet and outlet hoses from the retainer on the control valve body cover.
  3. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  4. Remove the left engine splash shield. Refer to Engine Splash Shield Replacement .
  5. Remove the front transmission mount. Refer to Transmission Front Mount Replacement .
  6. Remove the lower nuts from the left transmission mount. Refer to Transmission Mount Replacement - Left Side .
  7. Drain the transmission. Refer to Transmission Fluid Replacement .
    8. Fig 2: Identifying Control Valve Body Transmission Control Module (TCM) Electrical Connector
    GM1884034Courtesy of GENERAL MOTORS CORP.
  8. Disconnect the control valve body transmission control module (TCM) electrical connector (1).
    9. Fig 3: Identifying Control Valve Body Cover Studs & Bolts
    GM1803480Courtesy of GENERAL MOTORS CORP.
  9. Remove the 2 control valve body cover studs M6 x 30.
  10. Remove the 12 control valve body cover bolts M6 x 30.
  11. Support the transmission with a transmission jack.
  12. Using the transmission jack raise the transmission to gain clearance for removal of the control valve body cover.
  13. Remove the control valve body cover.
  14. Remove the control valve body cover gasket.
    15. CAUTION: Support the control solenoid valve assembly around the connector when removing the seal. Excessive pulling force can damage the internal electrical connections.
  15. Remove the control valve body cover wiring connector hole seal.
  16. Remove all traces of the old gasket material. Clean the transmission case and control valve body cover gasket surfaces.
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