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Home >> Buick >> 1989 >> Electra Estate Wagon >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 3.8L "3800" V6 - VIN [C] >> Removal & Installation >> Rear Crankshaft Oil Seal

Rear Crankshaft Oil Seal

  1. For seal replacement, engine must be removed. See ENGINE article at end of ENGINE section. Remove oil pan. See appropriate OIL PAN REMOVAL article in this section.
  2. Remove crankshaft. Remove rope seal from cylinder block and main bearing cap. Ensure seal areas are clean. Apply GM Adhesive (1052621) to seal grooves.
  3. Install seal in grooves so that no more than 1/16" of the seal extends above cylinder block or main bearing cap. Ensure seal is fully seated. Cut ends of seal even with surface.
  4. Coat rope seal with thin film of grease. Install crankshaft. Apply GM Sealant (1052942) on main bearing-to-cylinder block mating surfaces. DO NOT allow sealant to enter bolt threads.
    CAUTION: Sealing strips used along the side of main bearing cap must be soaked in light oil or kerosene for 5 minutes prior to installation.
  5. Install main bearing cap and sealing strips. Tighten main bearing cap bolts to specification.
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