Heater only works, when my foot is on the gas pedal?

2004 MITSUBISHI LANCER
92,000 MILES
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NIKAYTIA
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  • 1 POST
Goes cold when car is in Park..
Jan 10, 2012 at 4:22 AM
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CJ MEDEVAC
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 11,004 POSTS
CHECK YOUR COOLANT LEVEL (RADIATOR JUICE) IF LOW, REFILL AND CHECK FOR HEATER OPERATION

CHECK ALL CONTROL POSITIONS FOR HEAT OR DEFROST--DOES IT COME OUT HOT, LIKE IT SHOULD IN ANY OF THE POSITIONS? ...COLD IN OTHERS?

IF THINGS STILL AIN'T GOOD,

AFTER ENGINE HAS HAD PLENTY OF WARM-UP TIME

GRAB THE UPPER RADIATOR HOSE AND THE HEATER HOSES

WATCH OUT FOR THOSE PESKY MOVING PARTS!

IF THEY FEEL COLD OR BARELY WARM---YOUR THERMOSTAT MAY NEED TO BE REPLACED

IF THEY ARE SO HOT YOU CAN'T COMFORTABLY HOLD ON TO THEM---SOMETHING MAY BE WRONG IN THE HEATER BOX--SUCH AS A BLEND DOOR NOT OPENING

KEEP US POSTED

THE MEDIC
Jan 10, 2012 at 5:08 AM