LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 237 (Engine Mechanical - 3.9L) >> 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.
IMPORTANT: DO NOT nick the crankshaft sealing surface when removing the seal.
  1. Remove the flywheel. Refer to Engine Flywheel Replacement .
  2. Remove the crankshaft rear main oil seal using one of the following techniques:
    3. Fig 1: View Of NEW Style Crankshaft Rear Oil Seal
    GM1718330Courtesy of GENERAL MOTORS CORP.
  3. If removing the new style seal - seal lip facing outward, insert a flat-bladed or similar tool between the sealing lip and the outer casing of the seal at an angle and gently pry the seal out be moving the tool towards the center of the crankshaft.
    4. Fig 2: View Of OLD Style Crankshaft Rear Oil Seal
    GM1718332Courtesy of GENERAL MOTORS CORP.
  4. If removing an old style seal - seal lip faces inward, insert a flat-bladed or similar tool between the outer seal casing and the engine block casting and gently pry the seal out.
  5. Repeat the above steps as necessary around the crankshaft rear oil seal, until the seal is removed.
scientia non olet · About LEMON Manuals