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Home >> GMC >> 2006 >> Sierra 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1680 (Engine Mechanical - 6.6L (LMM) - Repair Instructions - Off Vehicle (1 Of 3)) >> Crankshaft Front Oil Seal Removal

Crankshaft Front Oil Seal Removal

WARNING: This page is about a different car, the 2010 GMC Sierra, 2010 GMC Cab & Chassis Sierra, 2010 Chevrolet Silverado, and 2010 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required 

J 44644  Crankshaft Front Oil Seal Remover. See Special Tools .

    Fig 1: Removing Crankshaft Front Oil Seal Using J 44644
    GM660534Courtesy of GENERAL MOTORS CORP.
  1. Install the button of J 44644  into the crankshaft. See Special Tools .
  2. Press the jaws of J 44644  into the felt portion of the seal far enough to engage the inner lip of the seal. See Special Tools .
  3. While holding the jaws of J 44644  tightly to the seal's inner sleeve, tighten the jaw bolts. See Special Tools .
  4. Remove the crankshaft rear oil seal using the J 44644  . See Special Tools .