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Home >> Chevrolet >> 2002 >> Astro Van Passenger, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 829 (Engine Mechanical - 4.3L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2003 GMC Safari and 2003 Chevrolet Astro. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the transmission assembly. Refer to TRANSMISSION REPLACEMENT in Automatic Transmission-4L60-E.
  2. Remove the engine flywheel. Refer to ENGINE FLYWHEEL REPLACEMENT  .
  3. Remove the crankshaft rear oil seal from the crankshaft rear oil seal housing.
    Fig 1: Removing Crankshaft Rear Oil Seal From Crankshaft Rear Oil Seal Housing
    G01643733Courtesy of GENERAL MOTORS CORP.

    Insert a suitable tool into the access notches and then carefully pry the crankshaft rear oil seal from the crankshaft rear oil seal housing.

  4. Discard the crankshaft rear oil seal.
  5. Clean off any dirt or rust in the area.
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