Question about 1996 Chrysler Cirrus

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Our 1996 cirrus radiator fan is constantly running...what would cause this?

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Sounds like the thermo-switch is kaput.

The thermo-switch detects the temperature of the coolant and when it reaches a certain level, an electrical connection within the switch makes contact and completes a circuit that sends power to the radiator fan. It the fan runs on, it likely this switch is the problem, so have a look at it first. They are generally not expensive and relatively easy to replace. Good luck.

Posted on Jul 16, 2009

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Most causes are fan switch close all the time, or a bad contact to the ecu.

Posted on Jul 16, 2009

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SOURCE: 1996 Mustang radiator fan constant running

Disconnect pos. battery cable for 3-5 minutes, then reconnect that should do it!!!!!!!!!!!!!

Posted on Jul 26, 2008

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1 Answer

Why do both radiator fans run on high any time the engine is running,...hot or cold


There are certain positions for the climate control system that will cause the A/C system to activate. When the A/C is on, the radiator fans automatically run to provide airflow thru the condenser coils in front of the radiator. This could be the issue. Turn off the climate controls and recheck.

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Car never reaches operating temperature (cold weather) thus little to no heat inside


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Radiator fans not coming on


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Jul 02, 2011 | 1996 Chrysler Cirrus

3 Answers

1995 Chrysler Cirrus overheating


Probably not water pump. Engine is notourious for vapour lock.
Cooling system must be blead of air before thermostat will work. Cool bottom rad hose is a dead give away. If you are still watching this forum reply , and I will walk you through the only way I know how to make it work properly. It's actually easy if you do it my way. I have worked on lots of cars , and this engine was the hardest to bleed out. Did one Yesterday , and works perfect.

Apr 07, 2010 | 1995 Chrysler Cirrus

2 Answers

Changed thermostat and added coolant but 1997


could be waterpump?
i was going to say rad fan,but if so heater would be hot.
lack of coolant will make heater core to blow cold,if engine heats up with full coolant,usually means poor or no circulation.
water pump?
run engine with full coolant,at operating temp.with rad cap off and look in rad cap hole and see if there is movement of water inside rad.
[rad fan will not come on if water is not circulating through rad water pump?]

Dec 20, 2009 | 1997 Chrysler Cirrus

1 Answer

My Caravan radiator fans run constantly and the temp gage never moves off "cold". The engine is not overheating. I have replaced the temp sensor and the thermostat. No change.


The temperature sensor may be controlling the fan via a relay; these can fail by welding the contacts together remaining permanently 'on.'
Locate the fuse (and possibly relay) box, check inside the cover for a layout that identifies which fuse or relay controls the fan; they are often on their own fuse and definitely on their own relay.

Nov 10, 2009 | 1996 Dodge Caravan

2 Answers

Coolant sensor


refill and bleed the cooling system.  The water from your overflowing radiator may be the cause of you engine problems....dry of the motor.

Oct 16, 2008 | 1996 Chrysler Cirrus

1 Answer

1996 Mustang radiator fan constant running


Disconnect pos. battery cable for 3-5 minutes, then reconnect that should do it!!!!!!!!!!!!!

Jul 26, 2008 | 1996 Ford Mustang

2 Answers

Engine is over heating and blowing air into coolant resivor and boiling coolant


The blowing of air into the coolant resevour is caused by a leaking head gasket. What's happening is the cylinder is blowing air into the cooling system causing this to happen.

Jun 24, 2008 | 1996 Chrysler Cirrus

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