GM Service Manual Online
For 1990-2009 cars only

    Object Number: 15492  Size: SH
  1. Inspect the bottom pan (59) sealing surface for damage and inspect the bottom pan magnet for excessive metal filings. Clean if necessary.

  2. Object Number: 509540  Size: SH
  3. Install the scavenge screen seals (53) into the case (6) and install the new scavenge screens (51, 52) into the seals.
  4. Remove any residual oil from the gasket surface of the case (6), from the bottom pan (59) and from the bolts (62).
  5. Caution: Completely dry all bottom pan bolts (62) before installation or fluid leaks may occur.

  6. The bottom pan bolt threads in the case must be completely free of transmission fluid. Use a rubber tipped air hose to dry, if necessary.
  7. Install the new gasket (61) and install the bottom pan (59).
  8. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 15495  Size: SH
  9. Hand start the bottom pan bolts (62) and then tighten in the sequence pattern shown.
  10. • Tighten the bolts first to 3 N·m (26.5 lb in).
    • Then tighten the bolts to 6 N·m (53.1 lb in).
    • Finally tighten the bolts to 10-12 N·m (8-9 lb ft).