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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 849 (Engine Mechanical) >> Repair Instructions >> On-Vehicle Repair Instructions >> Crankshaft Rear Oil Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Aztek and 2003 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Apply engine oil to the inside diameter and the outside diameter of the new crankshaft rear oil seal.
  2. Slide the crankshaft rear oil seal over the mandrel until the back of the crankshaft rear oil seal bottoms squarely against the collar of the J 34686. 
  3. Perform the following steps in order to install the crankshaft rear oil seal:
    1. 3.1. Align the dowel pin of the J 34686  with the dowel pin in the crankshaft.
    Fig 1: Installing Crankshaft Rear Oil Seal Using Rear Main Seal Installer (J 34686)
    G01500598Courtesy of GENERAL MOTORS CORP.
    1. 3.2. Attach the J 34686  to the crankshaft by hand, or tighten attaching screws to 5 N.m (45 lb in).
    2. 3.3. Turn the T-handle of the J 34686  in order to allow the collar to push the seal into the bore.

      Turn the handle until the collar is tight against the case. Ensure that the seal is seated properly.

    3. 3.4. Loosen the T-handle until the handle comes to a stop.
    4. 3.5. Remove the attaching screws.
  4. Install the engine flywheel. Refer to ENGINE FLYWHEEL REPLACEMENT  .
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