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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 4L80-E/4L85-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> On-Vehicle Repair Instructions >> Transmission Fluid Cooler Hose/Pipe Replacement (6.6L) >> Removal Procedure

Removal Procedure

    Fig 1: Identifying oil cooler lines
    GM1731258Courtesy of GENERAL MOTORS CORP.
  1. Disconnect the oil cooler lines from the radiator. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
  2. Remove the oil cooler lines from the radiator.
    3. Fig 2: Auxiliary Transmission Oil Cooler Outlet Pipe
    GM765120Courtesy of GENERAL MOTORS CORP.
  3. If equipped with the auxiliary transmission oil cooler, remove the outlet pipe from the auxiliary cooler pipe.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
    5. Fig 3: Identifying transmission oil cooler lines
    GM1731276Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the transmission oil cooler lines from the transmission. Refer to Transmission Fluid Cooler Hose/Pipe Quick-Connect Fitting Disconnection and Connection .
  6. Remove the oil cooler lines from the transmission.
  7. Remove the oil cooler lines from the clips on the frame rail.
    8. IMPORTANT: Note the routing of the transmission lines to ensure proper installation.
  8. Remove the cooler lines from the vehicle.
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