GM Service Manual Online
For 1990-2009 cars only

Thermo Element Replacement 3.5L Twin Cam V6 LX5

Removal Procedure

  1. Remove the oil pan. Refer to Oil Pan Replacement .

  2. Object Number: 164817  Size: SH
  3. Remove the thermo element pins and washers (120 and 123).
  4. Remove the thermo element (121) and the thermo element plate (122).

Installation Procedure

Tools Required

J 34094-A Thermo Element Height Gage


    Object Number: 164816  Size: SH
  1. Use the J 34094-A to set the middle thermo pin (123).
  2. Install the new thermo element plate (122).
  3. Install the pin and washer (120).
  4. Use the J 34094-A to set the height of the pin and washer (120) furthest from the accumulator.
  5. Use the J 34094-A to set the height of the second pin and washer (120).

  6. Object Number: 164817  Size: SH
  7. Carefully install the thermo element (121) between the two pin and washers (120). The V in the thermo element (121) must contact the thermo element plate (122).
  8. Install the oil pan. Refer to Oil Pan Replacement .

Thermo Element Replacement 3800 L36

Removal Procedure

  1. Remove the oil pan. Refer to Oil Pan Replacement .

  2. Object Number: 164817  Size: SH
  3. Remove the thermo element pins and washers (120 and 123).
  4. Remove the thermo element (121) and the thermo element plate (122).

Installation Procedure

Tools Required

J 34094-A Thermo Element Height Gage


    Object Number: 164816  Size: SH
  1. Use the J 34094-A to set the middle thermo pin (123).
  2. Install the new thermo element plate (122).
  3. Install the pin and washer (120).
  4. Use the J 34094-A to set the height of the pin and washer (120) furthest from the accumulator.
  5. Use the J 34094-A to set the height of the second pin and washer (120).

  6. Object Number: 164817  Size: SH
  7. Carefully install the thermo element (121) between the two pin and washers (120). The V in the thermo element (121) must contact the thermo element plate (122).
  8. Install the oil pan. Refer to Oil Pan Replacement .