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Crankshaft Front Oil Seal Installation

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

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  1. GM2914896Courtesy of GENERAL MOTORS COMPANY
    IMPORTANT:

    For proper orientation, note the installation direction of the oil seal. The oil seal is a reverse- Lip design. Install with "THIS SIDE OUT" displayed as shown.

    Inspect the seal for proper orientation.

  2. GM3270432Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • Do not lubricate the oil seal sealing surface.
    • Do not use the crankshaft front oil seal again.

    Install the crankshaft front oil seal (3) onto the threaded rod, nut and washer from J-41478-A  crankshaft front oil seal installer (1) and EN-51091  crankshaft front oil seal installer (2).

  3. Install the J-41478-A  crankshaft front oil seal installer threaded rod, nut and washer (1) and EN-51091  crankshaft front oil seal installer (2) and oil seal (3), into the end of the crankshaft.
  4. Use the J-41478-A  crankshaft front oil seal installer (1) and EN-51091  crankshaft front oil seal installer (2) in order to install the oil seal (3) into the cover bore.
    1. Use a wrench and hold the hex on the installer bolt.
    2. Use a second wrench and rotate the installer nut clockwise until the seal bottoms in the cover bore.
    3. Remove the tool.
    4. Inspect the oil seal for proper installation. The oil seal should be installed evenly and completely into the front cover bore.
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