GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • SA9103E Regulator Valve Remover/Replacer
    • SA9104E Front Crank Seal Replacer

Object Number: 871645  Size: SH

Important: The front and rear engine crankshaft oil seals are replaced without removing the engine from the vehicle.

Replacement of front cover oil seal:

  1. The new oil seal should be installed with the front cover installed. The installation tool uses the crankshafts threads to pull the seal into place. An arbor press and the SA9104E must be used to install the front seal if the cover is removed. Never tap on the seal or seal installer with a hammer.
  2. Using the SA9104E , install the new oil seal until its fully seated.
  3. Important: The new oil seal should be installed with the front cover installed. The installation tool uses the crankshafts threads to pull the seal into place. An arbor press and the SA9104E must be used to install the front seal if the cover is removed. Never tap on the seal or seal installer with a hammer.

  4. Apply a coat of oil to the seal lip and inside diameter of the front cover seal bore.
  5. Important: The oil pump cover screws are coated with a sealant to prevent oil leakage. New screws must be installed, if screws are removed.

  6. If the oil pump and regulator has been removed from the front cover, the valve must be replaced. Install the new regulator valve, if removed, using the SA9103E . Install oil pump assembly, and cover plate.
  7. Tighten
    Tighten the Oil Pump Cover-to-Front Cover 11 N·m (8 lbs ft).