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Home >> GMC >> 2020 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 4 (Engine Mechanical - 1.5L (LYX)) >> Repair Instructions >> Crankshaft Front Oil Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. GM3686999Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The engine can be equipped with two different front oil seal designs.

    Check the seal to confirm which crankshaft front oil seal (1, 2) is installed.

  2. GM3686995Courtesy of GENERAL MOTORS COMPANY

    For front oil seal first design, use the following procedure:

    3. NOTE:

    The special tool EN-51368  seal installer can be used in two positions, depending which crankshaft front oil seal type is used.

  3. Install the crankshaft front oil seal (1) to the EN-51368  seal installer (2) with the notch on the surface. (3).
  4. GM3686997Courtesy of GENERAL MOTORS COMPANY

    For front oil seal second design, use the following procedure:

    5. NOTE:

    The special tool EN-51368  seal installer can be used in two positions, depending which crankshaft front oil seal type is used.

  5. Install the crankshaft front oil seal (1) to the EN-51368  seal installer (2) with the plain surface (3).
  6. GM3686994Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Be careful that the crankshaft front oil seal does not deform while installing. Failing to do so may reduce the leak-tightness and could cause damage to the crankshaft.

    Press the crankshaft front oil seal into the correct seat, by tightening the nut (2) from the EN-51368  seal installer (1).

  7. Remove the EN-51368  seal installer
  8. Check to ensure that the crankshaft front oil seal is properly seated.
  9. Crankshaft Balancer Replacement  - Install
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