HEAT NOT WORKING 1997 MECURY GAND MAQUIS


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HEAT NOT WORKING 1997 MECURY GAND MAQUIS

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lilhalls
New User

Jan 4, 2012, 9:47 AM

Post #1 of 4 (1577 views)

HEAT NOT WORKING 1997 MECURY GAND MAQUIS	Sign In

PLEASE HELP ITS COLD IN MY CAR. I HAVE A 1997 GRAND MARQUIS LS WITH NO HEAT. I REPLACED THE THERMOSTAT AND STILL NOTHING. THE CAR TEMP IS RUNNING NORMAL AND THE FAN BLOWS COLD AIR. WHAT SHOULD I CHECK NEXT!

ANY HELP WILL BE GREATLY APPRECIATED.

Discretesignals
Ultimate Carjunky / Moderator
Discretesignals profile image

Jan 4, 2012, 9:51 AM

Post #2 of 4 (1569 views)

Re: HEAT NOT WORKING 1997 MECURY GAND MAQUIS	Sign In

With the engine at operating temperature feel the heater hoses going to the heater core. If they are both hot, you may have a blend air door problem. Are there any noises in the dash when you turn your heater control knob? Do you notice a change in the sound of the air blowing when you turn the heater control with the blower on high?

Since we volunteer our time and knowledge, we ask for you to please follow up when a problem is resolved.

lilhalls
New User

Jan 4, 2012, 11:36 AM

Post #3 of 4 (1531 views)

Re: HEAT NOT WORKING 1997 MECURY GAND MAQUIS	Sign In

I hear a slight sound but not sure what it is. Can I visually see the blend door? The heater hose both seem to be hot.

Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jan 4, 2012, 12:36 PM

Post #4 of 4 (1525 views)

Re: HEAT NOT WORKING 1997 MECURY GAND MAQUIS	Sign In

A maybe: You might get to the door thru removed blower motor and feel it stuck or trying to move. NAPA listed it for this car if it had climate control only?

Listed as "Heater A/C door actuator motor" and might give you a noise if stripped gear till it wore out smooth. Do the tests as it may not be this and no doubt a total pest to get at

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