GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1216968  Size: SH
  1. Position the transmission case so that the rear of the case is facing up.
  2. At dimension A, measure the distance from the rear face of the low and reverse clutch housing (1) to the rear face of the bearing spacer (2).

  3. Object Number: 1216969  Size: SH
  4. At dimension B, measure the distance from the rear face of the low and reverse clutch housing (3) to the rear face of the retaining ring (4).
  5. Calculate Dimension C by subtracting Dimension B from Dimension A .
  6. Select the appropriate selective spacer (1) based upon Dimension C. Refer to Selective Components Specifications .
  7. Install the selective spacer (1) onto the output shaft (2).