GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 36850 Transjel® Lubricant


    Object Number: 1235412  Size: SH
  1. Position the low and reverse clutch housing so that the outside of the housing is facing down.
  2. Important: The low and reverse clutch housing, 4WD does not contain an output speed sensor (OSS) reluctor wheel.

  3. For 2WD transmissions, install the OSS reluctor wheel (2).
  4. Gently tap the output carrier support bearing assembly (3) into the low and reverse clutch housing.

  5. Object Number: 1235415  Size: SH
  6. Install the retaining ring (1).

  7. Object Number: 1217030  Size: SH
  8. Install seal ring (1) and seal ring (2) onto the low and reverse clutch piston (3). Lubricate the seal rings with J 36850 or an equivalent lubricant.

  9. Object Number: 1235383  Size: SH
  10. Position the low and reverse clutch housing so that the outside of the cover is facing down.
  11. Align the tang on the low and reverse clutch piston (2) with the tang hole in low and reverse clutch housing (1).
  12. Install the low and reverse clutch piston.