GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Chevy C Pickup - 2WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Temperature Control Cable Replacement

Removal Procedure
  1. Roll the instrument panel back. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gauges and Console.

    2. Object Number: 257074 Size: SH
  2. Remove the control assembly. Refer to Control Assembly Replacement .
  3. Disconnect the electrical connector.
  4. Disconnect the temperature cable from the heater control assembly.
  5. Disconnect the temperature cable from the temperature valve:
    6. 5.1. Release the cable from the temperature valve by squeezing the retainer.
    5.2. Squeeze the post.
    5.3. Lift the cable end in order to remove the cable.

Installation Procedure
  1. Perform the following steps in order to index the cable prior to the installation.
    2. 1.1. Cycle the temperature rotary knob to the full COLD position.
    1.2. Verify that the temperature door is closed.

    Object Number: 257074 Size: SH
  2. Perform the following steps in order to connect the cable to the temperature valve:
    3. 2.1. Snap the cable onto the valve.
    2.2. Secure the cable by snapping the cable into the heater case.
  3. Route the cable in the same location the cable occupied prior to removal.
  4. Connect the temperature cable to the control assembly.
  5. Connect the electrical connector.
  6. Install the control assembly. Refer to Control Assembly Replacement .
  7. Roll the instrument panel forward. Refer to Instrument Panel Carrier Replacement in Instrument Panel, Gauges and Console.