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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 Rear Oil Seal Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: Removing The Case Extension Housing Rear Oil Seal
    GM408509Courtesy of GENERAL MOTORS CORP.
  1. Place a drain pan under the vehicle.
  2. Remove the propeller shaft. Refer to Propeller Shaft Replacement - Rear in Propeller Shaft.
  3. Remove the case extension housing rear oil seal. Use a flat bladed tool and carefully pry the seal from the housing.
  4. Inspect the case extension housing for damage. Replace the extension housing if necessary. Refer to Transmission Extension Housing Assembly Replacement .