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Home >> GMC >> 2018 >> Terrain Denali, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Engine Mechanical - 1.5L (LYX)) >> Repair Instructions - On Vehicle >> Crankshaft Front Oil Seal Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying Crankshaft Front Oil Seal
    GM3686999Courtesy of GENERAL MOTORS COMPANY
    NOTE:

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

  1. Check the seal to confirm which crankshaft front oil seal (1, 2) is installed.
  2. Fig 2: Installing Crankshaft Front Oil Seal
    GM3686995Courtesy of GENERAL MOTORS COMPANY
  3. For front oil seal first design, use the following procedure:
  4. 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 notch on the surface. (3).
  6. Fig 3: Front Oil Seal Second Design Procedure
    GM3686997Courtesy of GENERAL MOTORS COMPANY
  7. For front oil seal second design, use the following procedure:
  8. NOTE:

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

  9. Install the crankshaft front oil seal (1) to the EN-51368  seal installer (2) with the plain surface (3).
  10. Fig 4: Installing Crankshaft Front Oil Seal
    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.

  11. Press the crankshaft front oil seal into the correct seat, by tightening the nut (2) from the EN-51368  seal installer (1).
  12. Remove the EN-51368  seal installer
  13. Check to ensure that the crankshaft front oil seal is properly seated.
  14. Install Crankshaft Balancer Replacement