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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 203 (Engine Mechanical - 3.5L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine flywheel. Refer to Engine Flywheel Replacement .
    2. Fig 1: Removing Crankshaft Rear Oil Seal
    GM55077Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: Do not nick the crankshaft sealing surface when removing the seal.
  2. Remove the crankshaft rear oil seal.
    1. Insert a flat-bladed tool or similar tool through the dust lip at an angle.
    2. Pry the crankshaft rear oil seal out by moving the handle of the tool towards the end of the crankshaft.
    3. Repeat, as necessary, around the crankshaft rear oil seal.
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