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Home >> Dodge and Ram >> 2023 >> ProMaster 2500 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.6L Engine (Service Information) (2 Of 2) >> Engine Block >> Seal, Crankshaft Oil, Rear >> Installation

Seal, Crankshaft Oil, Rear: Installation

GC0144254Courtesy of CHRYSLER GROUP, LLC
CAUTION:

The rear crankshaft oil seal (2) and retainer (1) are an assembly. To avoid damage to the seal lip, DO NOT remove the seal protector (3) from the rear crankshaft oil seal before installation onto the engine.

CAUTION:

Whenever the crankshaft is replaced, the rear crankshaft oil seal must also be replaced. Failure to do so may result in engine fluid leakage.

GC0144255Courtesy of CHRYSLER GROUP, LLC
  1. Inspect the crankshaft to make sure there are no nicks or burrs on the seal surface.
  2. Clean the engine block sealing surfaces thoroughly.
    NOTE:

    It is not necessary to lubricate the seal or the crankshaft when installing the seal retainer. Residual oil following installation can be mistaken for seal leakage.

  3. Carefully position the oil seal retainer assembly (2), and seal protector (1) on the crankshaft and push firmly into place on the engine block (during this step, the seal protector will be pushed from the rear oil seal assembly as a result of installing the rear oil seal).
    GC0081633Courtesy of CHRYSLER GROUP, LLC
  4. Verify that the seal lip (2) on the retainer is uniformly curled inward toward the engine on the crankshaft (1).
    GC0144181Courtesy of CHRYSLER GROUP, LLC
    NOTE:

    Make sure that the seal retainer flange is flush with the engine block oil pan sealing surface.

  5. Install the oil seal retainer fasteners (1) and tighten to the proper specifications. Refer to TORQUE SPECIFICATIONS .
  6. Install the flexplate. Refer to FLEXPLATE, INSTALLATION .
  7. Install the oil pan. Refer to PAN, OIL, INSTALLATION .
  8. Fill the engine crankcase with the proper oil to the correct level. Refer to ENGINE OIL SERVICE .