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Home >> Subaru >> 1983 >> Subaru 1.8 5 >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Heater System >> Adjustments >> Temperature Control Dial

Temperature Control Dial

  1. Disconnect heater control valve rod from plastic clamp at air mixing lever. Disconnect cable for heater control valve from clamp at side of heater unit.
  2. Set temperature dial to "COLD" position and pull heater control valve lever back to full closed position for cold operation. Reconnect cable to heater control valve lever, pull up on cable and reconnect cable sheath to clamp on side of heater unit. Distance between clamp and point that end of cable enters heater control valve lever should be .79".
  3. Ensure heater control valve lever is in full closed position for cold operation. Set air mixing lever to cold position and reconnect heater control valve rod to plastic clamp at air mixing lever.