GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 44587 Main Shaft Holder

For equivalent regional tools, refer to Special Tools.


    Object Number: 1526774  Size: SH

    Caution: Do not rotate the transmission from the nose-up position without installing J 44587. Failure to install J 44587 and rotating the transmission will cause clearance issues during assembly and possible damage to the transmission.

  1. Align J 44587 holder with the power take-off (PTO) access as follows:
  2. • The tongue of J 44587 holder is facing toward the PTO access.
    • The bolts holes of J 44587 holder are aligned with the 2 front bolt holes of the PTO access.
  3. Install J 44587 holder into the PTO access.
  4. Install 2 bolts into J 44587 holder and tighten the bolts snugly.

  5. Object Number: 1217521  Size: SH
  6. Position the main housing so that the oil pan is facing up.
  7. Remove the drain plug (1).
  8. Remove the drain plug seal (2) from the drain plug (1).
  9. Remove 12 oil pan bolts (7). Remove the oil pan (3).
  10. Remove the oil pan gasket (4).
  11. Remove the transmission internal oil filter (5).
  12. Remove the transmission internal oil filter seal (6).

  13. Object Number: 1217468  Size: SH

    Note: The magnet cannot be removed from the oil pan.

  14. Inspect and clean the transmission oil pan magnet (1) in the oil pan (2).