Question about 1994 Saturn Sl

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Runnin hot Is it true that the fan module has to adjust before the car runs at normal temp. again?

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No the module control the fan speed . the module is a relay box that controls the relays for high amps mybe the temp senser not seened the signel

Posted on Jan 18, 2009

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Temperature gage high cooling fans works sometimes coolant level normal


There are 2 cooling fans one that runs Ono and off Witt he temp of the engine and 1 that runs when you turn on the ac. The fans wiring harness can hook up opposite ways. Meaning that the fans can run backwards if it is hooked up wrong. When the fans are running they need to be pulling air inward towards the engine not blowing out through the front of the car. This is the first thing I would check if it isn't running hot but the temp is above normal!!!

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Coolant fan not coming on hyundai xg 350


Generally when there is 2 electric fans one is controlled by the engine control module and the coolant temp sensor for maintaining engine temperature and the other is controlled by the air conditioning control module used when the a/c is in operation. If engine temp starts to get near the red then both fans come on at high speed. If you want to make sure the other fan works though then just put 12vdc to it directly and see if spins. For it running hot I would replace the thermostat if it has never been done and replace the coolant. Put in a 50/50 mix.

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Integra runs hot a traffic light


Sounds like perhaps the electric fans are not working. The fan(s) run only when the tempurature reaches a certain point. When you are sitting at a traffic light, you are not moving through the air and therfore you have no air moving through the radiator to cool the hot fluid inside the radiator. This is a situation where the electric fan would start up in order to cool the engine when there is no air movement otherwise.

Causes: No power --- check the fuse for the radiator fan and replace if blown. If it blows again then something more is wrong that needs to be diagnosed.

Temp sensor is no longer functioning --- Check the temp sensor for connectivity when hot (on some cars you can simply jump the switch and see if the fans run)

Fan(s) are bad --- Apply 12 volts to the fan power lead and see if they run. If they do then something else is blocking or not transfering the normal power to the fans, like a relay or control module. ( more diagnostics needed here)

It depends on how mechanically inclined you are. If you feel comfortable doing these kinds of tests then go for it. If not, perhaps a nice "good reputation" shop might be your best choice.

If you have further questions, just ask.

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1 Answer

Is there a thermostat shut off switch . car runs


The amount that it gets hot is a clue but theres no shut off switch. It's possible that the car is over heating and the temp gauge does'nt have enought water over it to report the problem. once the cooling system is cleared as it's full circulating and the fan will come on when it's hot ( disconnect the temp. switch on the therostate cover on the top of the transmission, ( the stat is in the lower hose ) with it disconnected and the key on the fan should be on and connected f till it's real hot. The crank senser or distrubutor module can can too hot and shut down too

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1 Answer

Have a bmw 316 it over heats when stopped after bout ten mins with the engine still runnin,, also the fans r blowin cold


feel your radiator when the engine is hot, should be hot at the top and cooler as you go down with no cold spots, if you have a cold spot then it is clogged, and it will require cleaning or replacing. Check your thermostatic fan clutch when the engine is hot should be hard to turn, if it free wheels while engine temp is more then normal, it probably needs to be replaced. Hope this helps, let me know

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try replacing your fan temperature sensor

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1 Answer

Runnin hot


check fuses and relays, if ok check fans again.

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4 Answers

I have a 1988 GMC Sierra 1500 that wont stay running


fuel pump,fuel pressure regulator, or vaccume leak,
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2 Answers

Runnin hot


how bout the thermostat???? its on the side of the block by the radiator

Oct 03, 2008 | 1993 Saturn SL2

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