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Home >> GMC >> 2007 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different car >> Section 892 (Automatic Transmission - 4L80-E/4L85-E - Introduction (2 Of 2)) >> Repair Instructions >> Repair Instructions - On Vehicle >> Transmission Extension Housing Rear Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Output Shaft Seal & Extension Housing
    GM749709Courtesy of GENERAL MOTORS CORP.
  1. Place a drain pan under the vehicle.
  2. Remove the propeller shaft. Refer to Rear Propeller Shaft Replacement in Propeller Shaft.
  3. Using J 6125-1B  (1) and J 23129  (2), remove the output shaft seal (3) from the extension housing (4).
  4. Inspect the case extension housing for damage. Replace the extension housing if necessary. Refer to Transmission Extension Housing Assembly Replacement .
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