GM Service Manual Online
For 1990-2009 cars only

Tools Required

SA9103E Regulator Valve Remover/Replacer


    Object Number: 871648  Size: SH
  1. Install the relief valve and oil pump assembly.
  2. If the relief valve was removed, replace it with a new one. Coat the valve with engine oil and tap it into the cover bore until it seats using the SA9103E and a hammer.

  3. Object Number: 871650  Size: SH

    Important: If removed, the oil pump assembly must be packed with petroleum jelly to prime the pump.

  4. Install the drive and driven rotors into the pump body with the chamfer toward the front oil seal.
  5. Notice: Make sure the nine holes in the front cover are clean. The oil pump cover screws are coated with a sealant to prevent oil leakage. New screws must be installed.

  6. Install the pump body cover with new screws.
  7. Tighten
    Tighten the screws to 11 N·m (97 lb in).