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Home >> Ford >> 1979 >> Fiesta >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Auto. A/C Systems >> Component Replacement >> Sensor Assembly >> All Models >> Replacement

All Models: Replacement

  1. Remove instrument panel pad to gain access to sensor. On Mark V models, remove right instrument panel applique.
  2. Carefully disconnect air inlet elbow, vacuum connector and control cable. On Mark V models, control cable will have to be disconnected after the sensor is removed from mounting.
  3. Remove retaining screws anal remove sensor. Oh Mark V models, bracket is removed with sensor.
  4. To install, rotate sensor control arm to position notch in arm at calibration pin (75° position). See Figure.
  5. Rotate plastic calibration locking pin so it engages notch in sensor control arm.
  6. Attach assembly to panel and reconnect air inlet tube elbow. Connect vacuum connector.
    NOTE: On Mark V models, control cable will have to be connected and adjusted before sensor is installed.
    Fig 1: ATC Sensor Assembly Installation
    G09361087Courtesy of FORD MOTOR CO.
  7. Position temperature lever control cable with pigtail away from sensor assembly. Adjust control cable as previously out lined. Install instrument panel pad.
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