GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 34094-A Thermal Element Height Gage

For equivalent regional tools, refer to Special Tools.


    Object Number: 13015  Size: SH
  1. Remove the thermo element plate pins (120).
  2. Remove the thermo element (121) and the thermo element plate (122).

  3. Object Number: 13016  Size: SH
  4. Use J 34094-A height gage in order to set the height of the thermo element plate center pin (123).
  5. Install the thermo element plate (122).
  6. Use J 34094-A height gage in order to set the height of the thermo element plate pin (120) that is farthest from the accumulators.
  7. Use J 34094-A height gage in order to set the height of the second thermo element plate pin (120).

  8. Object Number: 13015  Size: SH
  9. Carefully install the thermo element (121) between the two thermo element plate pins (120).
  10. The V in the thermo element (121) must contact the thermo element plate (123).