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Home >> Chevrolet >> 2004 >> Avalanche 2500 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 4L60-E/4L65-E (Introduction, Service & Replacement)) >> Repair Instructions >> Transmission Extension Housing Assembly Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Case Extension, Bolts & O-Ring Seal
    GM656358Courtesy of GENERAL MOTORS CORP.
  1. Remove the propeller shaft. Refer to Propeller Shaft Replacement - Rear in Propeller Shaft.
  2. Remove the transmission mount. Refer to Transmission Mount Replacement .
  3. Support the transmission with a transmission jack.
  4. Place a drain pan under the vehicle.
  5. Remove the case extension bolts (1).
  6. Remove the case extension (2).
  7. Remove and discard the case extension O-ring seal (3).