Air Door Cable: Adjustments

Any time the heater-A/C control or the temperature control cable are removed and/or replaced, the following procedure must be performed.
1. The temperature control cable housing and core must be installed at both the heater-A/C control and the heater-A/C housing ends, and the heater-A/C control must be installed in the instrument panel. See Heater-A/C Control and Temperature Control Cable in the Replacement for the procedures.
2. Rotate the temperature control knob on the heater-A/C control so that the knob pointer is in the 3 o'clock position.
3. Pull the temperature control knob straight out from the heater-A/C control base until the perimeter of the knob (not the knob pointer) protrudes about 6 millimeters (0.25 inch) from the face of the control base.
4. Rotate the temperature control knob to its full counterclockwise stop. The knob pointer should be aimed at a position about 8 millimeters (0.315 inch) beyond the end of the graduated blue strobe temperature control graphic on the face of the heater-A/C control base. If the knob is not pointed to the correct position, go back to Step 2 and repeat the adjustment procedure.
5. Rotate the temperature control knob clockwise until the knob pointer is in its full clockwise position again.
6. Push the temperature control knob straight in towards the heater-A/C control base until the perimeter of the knob (not the knob pointer) is flush with the face of the heater-A/C control base.
7. Rotate the knob to its full counterclockwise stop again. The knob pointer should be aimed at the end of the graduated blue strobe temperature control graphic on the face of the heater-A/C control base. If OK, go to Step 8. If not OK, go back to Step 2.
8. Rotate the knob to its full clockwise stop and release the knob. If the knob springs back from the clockwise stop, the self-adjuster clip that secures the temperature control cable to the blend-air door lever is improperly installed. See Temperature Control Cable Replacement for the procedures. If the knob does not spring back, the temperature control cable adjustment is complete
9. Rotate the temperature control knob quickly to the full hot and full cold positions. There should be a distinct sound of the blend-air door closing against its stops within the heater-A/C housing at each end of the temperature control knob travel. If not OK, check the blend air door for proper installation, obstructions or faulty seals. See Heater-A/C Mode Door in the Replacement for the procedures.