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Runs then shuts off

Turn heater on then orfus by climate control clicks off.

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No air flow


With the engine running do you have vacuum to the vacuum control switch in the heater control?

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Fan control knob on a/c and heater will only run on high speed. 2003 dodge mini van


I replaced the fan module under the glovebox on my 2005 Town & Country last night. Mine would not shut off at all with key on. It only blew on high no matter where I set the switch. Mine also had the climate control which makes a difference. If it is not the auto climate control it is usually the blower resistor if the other fan speed selections don't blow at all except on high.

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I replaced my heater blower in my 2002 bonaville and it either wont work at all or it runs all the time and woont shut off


Does the car have a climate control system? Could be the heater/AC control or the associated sensors have a problem.
The other required part of the system are the heater resistors. These allow for speed control. They could cause intermittent behavior, but would never cause the fan to run all the time.

Mar 28, 2010 | 2002 Pontiac Bonneville

1 Answer

Heater gets stuck on hot


I have the same problem! My buddy told me the problem is in the climate control. There is a resister that is not working properly, you have to replace your climate control. If you don't know where that is, it the thing you see below your stereo, lol! You can pick one up at an autowreck yard for cheap and to change it out is easier

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1 Answer

My heater fan won't turn off when car is off 88 Buick Lasabre?


I have the same problem on a 1988 lesaber Climate control and was told to change the climate control as the was the problem. A have the climate control but have a problem to take of the cover that covers the control and the radio. If any one can tell me how to remove it I will put in the new control and see if that will stope the fann.Thanks

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1 Answer

2001 Acura TL Climate Control Blowing only Cold Air.


Ok it may be that the heater core bypass valve isnt opening. All that valve dose is when you turn the climate control to heat it opens a valve that allows hot coolant from the engine to flow through the heater core. What I would do is check that. It will be on the left side (passange) of your engine bay.You will see two black coolant hoses next to eachother and one will have a black box with a wire that runs to it. Have someone move the climate control from hot to cold to hot back to cold. If you dont see the wire move then you can move it yourself to open the valve.

Let me know if the valve opens or not using the climate control.

Dec 15, 2008 | 2001 Acura 3.2TL

1 Answer

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there is a blower motor control unit under the hood on the right side near the firewall, unplug this and it should stop running. normal problem for a lot of gm cars with electronic climate control

Nov 23, 2008 | 1989 Oldsmobile Delta 88

2 Answers

1995 Buick LeSabre heater fan


your blower control has gone bad it is under the cowl panel on firewall only way to repair is replace this it will be about in the middle of the air box. should be a plastic panel with i think three finger screws you remove it and will see it

Sep 01, 2008 | 1995 Buick LeSabre

1 Answer

The heater in my 1993 mercedes 190e won't shut off, its hot all the time and I want to know if its the climate control module?


It is either the climate control module or the AC Heater temperature. control door motor. The module has self test capabilities, have a self test run on it before you start replacing parts.

Aug 29, 2008 | Mercedes-Benz 190-Class Cars & Trucks

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