Question about 1993 Cadillac Seville

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There is no heat blowing out of my car, if I need to replace my thermostat, how do I do that?

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Is the fan blowing probably try to check the heater blower controle module first if nto that then go to the heater blower fan it self had the same problem and it was both of them i ope its not the controle module its not cheap $200 from the cadillac dealership but its a very easy fix

Posted on Jan 02, 2009

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Posted on Jan 02, 2017

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SOURCE: over heating then cooling to much

overheating can be caused by defective radiator, core plugged or fins have come seperated from the fluid tubes or one of the radiator hoses have collapsed esp the bottom one when the water pump is sucking hard, normally has a spring inside to prevent this.. also caused by a rotted out head gasket and coolant is not circulating fully to the rear cylinder so is only cooling front cylinders.. can also be a defective water pump or thermostat itself. The air conditioner load may be excessive if you're using that... defective radiator pressure cap, should be 14 lbs or so... pressure too low or none?

Posted on Jun 02, 2009

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SOURCE: my fan fuse blows when it gets hot

About the only thing that would cause the fan fuse to blow is either the fan has a problem and is dragging or a short in the wiring. I would bet the fan motor is probably bad. The hoses and thermostat have nothing to do with the fan motor fuse blowing.

Posted on Jul 29, 2009

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SOURCE: no heat blowing from vents already replaced

I had a problem with that in January 2008, my thermostat was fine. I took my car in to the dealer and they said the hinge that opens and closes the hot/cold air inside the dash broke. They had to remove my entire dash and replace the part. Luckily I was under warranty and didn't have to pay but the repair would have cost $3000.

Posted on Dec 17, 2009

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0203@yahoo.comthe van does not heat unless u are moving. when we r stoped it blows cold air and when we move it blows out the heat.

Needs the thermostat replaced = when the car is idleing it doesn't build enough heat, when driving it works harder creating more heat.

Jan 20, 2011 | 2003 Chrysler Town & Country

2 Answers

My mini cooper is blowing cold air inside when the car is hot and it start overheating

your mini-cooper may just need a new thermostat. if the thermostat in your car is the original, then 4 years is a goodly amount of time for any thermostat to last. Thermostats fail in 2 ways: (A) stuck open, which causes engine to warm really slowly, and (b) stuck closed, causing overheating and
causing the heater to blow cold air - since the heated coolant can't get past the closed thermostat to
circulate through the heater core (a small radiator-like device used to heat the interior of your car).
Your car's thermostat has failed in mode (B).
Your cost: $5-$15 at any auto parts store.
Project complexity: any handy person could teach themselves to replace a thermostat.

Dec 21, 2010 | 2006 Mini Cooper

1 Answer


Make sure coolant level is ok,check the thermostat and/or replace with a higher temp thermostat that should help unless it is a circulation problem in which case flushing the system may be needed

Nov 28, 2010 | 1999 Dodge Durango

3 Answers

I have no heat coming out of the vents. Blows

If the temperature is cold outdoors, this can be a symptom of a stuck open thermostat. With the thermostat stuck open the engine never gets warm, so it won't give good heat. It's not expensive to get a new one, and they are easy to replace, so take it in and have it checked. Another symptom of that is very low gas mileage in the cold weather.

Jan 09, 2010 | 2002 Saturn VUE

1 Answer


The thermostat needs to be replaced. When this happens, the thermostat is stuck in the open position and is not moderating the coolant temperature to where it should be. Replace the thermostat and coolant if it's older then 5 years or has over 150,000 miles. Good luck and make sure the new coolant is mixed 50/50 water/antifreeze

Dec 11, 2009 | 1997 Pontiac Grand Prix

2 Answers

94 Grand AM NO HEAT, just blows cold air

your description ends. what have you put in...
if you have put stop leak in the car it can clog your heater core.
check your thermostat
check your engine oil if it looks milky you have a head gasket problem aslo check your coolant if there is oil in your coolant you have a head gasket problem

Feb 04, 2009 | 1994 Pontiac Grand Am

1 Answer

95 dodge dakota only some heat at idle getting more when moving

check your thermostat it may be sticking or you may need to replace your rad cap

Jan 03, 2009 | 1995 Dodge Dakota

1 Answer


Is the car tempature gauge working ? Another words is the car operating at tempature? it could be just that your thermostat is stuck open and probably needs replaced

Dec 05, 2008 | 2004 Chevrolet Monte Carlo

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