GM Service Manual Online
For 1990-2009 cars only

Transmission Extension Disassemble Colorado


    Object Number: 880950  Size: SH
  1. Remove the oil receiver.

  2. Object Number: 880700  Size: SH
  3. If RWD, remove the oil trough bolt.
  4. Remove the oil trough.

  5. Object Number: 872992  Size: SH
  6. For the 4WD transmission, using a suitable prying tool, remove the output shaft seal from the extension housing.

  7. Object Number: 872994  Size: SH
  8. For the RWD transmission, using a suitable prying tool, remove the output shaft seal from the extension housing.

  9. Object Number: 880946  Size: SH
  10. Remove the reverse control lever restrictor pin plug. Discard the plug. A new plug is required for assembly.

  11. Object Number: 880948  Size: SH
  12. Remove the roll pin for the reverse control lever restrictor.

  13. Object Number: 880949  Size: SH
  14. Remove the reverse control lever restrictor.

  15. Object Number: 872996  Size: SH
  16. For the 4WD transmission, remove the shift control shaft plug. Only remove the plug if it is leaking.

Transmission Extension Disassemble Solstice


    Object Number: 880950  Size: SH
  1. Remove the oil receiver.

  2. Object Number: 880700  Size: SH
  3. Remove the oil trough bolt.
  4. Remove the oil trough.

  5. Object Number: 1644176  Size: SH
  6. Using a suitable prying tool, remove the output shaft seal from the extension housing.

  7. Object Number: 1644177  Size: SH
  8. Remove the reverse control lever restrictor pin plug. Discard the plug. A new plug is required for assembly.

  9. Object Number: 1644178  Size: SH
  10. Remove the roll pin for the reverse control lever restrictor.

  11. Object Number: 880949  Size: SH
  12. Remove the reverse control lever restrictor.