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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 396 (Automatic Transmission Cooling System) >> Repair Instructions >> Transmission Fluid Cooler Thermal Bypass Valve Replacement (V08) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2017 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Place a drain pan under the vehicle.
  2. Remove Front Bumper Fascia - Front Bumper Fascia Replacement
  3. Remove Radiator Air Front Lower Baffle - Radiator Air Front Lower Baffle Replacement (LGX)
  4. NOTE:

    Cover or plug all open transmission fluid cooler pipe connection points to help avoid any accidental contamination.

  5. Fig 1: Transmission Fluid Cooler Inlet Pipe
    GM4363850Courtesy of GENERAL MOTORS COMPANY
  6. Disconnect Transmission Fluid Cooler Inlet Pipe (3) @ Transmission Fluid Cooler Thermal Bypass Valve (1) - Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection 
  7. Disconnect Transmission Fluid Cooler Outlet Pipe (2) @ Transmission Fluid Cooler Thermal Bypass Valve (1) - Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection 
  8. Fig 2: Transmission Fluid Cooler Thermal Bypass Valve Bolt
    GM4363845Courtesy of GENERAL MOTORS COMPANY
  9. Remove Transmission Fluid Cooler Thermal Bypass Valve Bolt (1)
  10. Fig 3: Transmission Fluid Cooler Outlet Pipe
    GM4286956Courtesy of GENERAL MOTORS COMPANY
  11. Disconnect Transmission Fluid Cooler Outlet Pipe (1) @Transmission Fluid Auxiliary Cooler (2) - Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection 
  12. Fig 4: Transmission Fluid Cooler Thermal Bypass Valve
    GM4289819Courtesy of GENERAL MOTORS COMPANY
  13. Disconnect Transmission Fluid Cooler Pipe Connector (1) @Radiator
  14. Disconnect Transmission Fluid Cooler Pipe Clip (2) @Engine Coolant Fan Module Radiator
  15. Remove Transmission Fluid Cooler Thermal Bypass Valve (3)