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Home >> Cadillac >> 2009 >> XLR Base >> Repair and Diagnosis >> Transmission >> Hydraulic Diagrams >> Automatic Transmission - 6L80 - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis >> Repair Instructions - On Vehicle >> Transmission Replacement >> Removal Procedure

Removal Procedure

CAUTION: Failure to follow the proper removal and installation procedures may result in damage to the engine crankshaft thrust bearing.
CAUTION: When tilting down the rear of the driveline, observe the clearance between the rear of the engine and the composite dash panel. Do not allow the engine to rest unsupported against the composite dash panel, or vehicle damage may result.
CAUTION: When lowering and removing the rear of the driveline, observe the clearance between the rear of the transaxle assembly and the underbody to prevent damage.
    Fig 1: Tilting Down Rear Of Driveline
    GM321407Courtesy of GENERAL MOTORS CORP.
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Remove the differential to transmission lower nut.

    Removing the nut at this time will aid in separating the differential from the transmission after the driveline has been removed from the vehicle.

  3. Remove the driveline support assembly. Refer to Driveline Support Assembly Replacement .
    4. Fig 2: View Of Transmission, Driveline Support Assembly & Bolts
    GM71442Courtesy of GENERAL MOTORS CORP.
  4. Remove the transmission to driveline support assembly bolts/studs.
  5. Insert a flat-bladed screwdriver, or similar tool, between the edge of the driveline support assembly and the transmission, then begin to pry the driveline support assembly loose from the transmission.
  6. Slowly slide the driveline support assembly away from the transmission while supporting the transmission torque converter.
  7. Using a strap positioned from side-to-side, secure the transmission torque converter to the transmission.
    8. Fig 3: View Of Differential To Transmission Bolts & Nuts
    GM71505Courtesy of GENERAL MOTORS CORP.
  8. Remove the differential to transmission bolts and nuts.
    9. NOTE: Use care when separating the differential from the transmission to not damage the transmission output shaft seal in the differential plate.
  9. SLOWLY slide the differential from the transmission.
    10. Fig 4: View Of Differential & Plate
    GM71504Courtesy of GENERAL MOTORS CORP.
  10. Remove the differential plate from the differential.
  11. Remove the transmission from the J 42055  , if necessary.
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