Question about 2004 Pontiac Grand Prix

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Rad fan not working

My rad fan isnt working and my car is running a lot hotter than normal but not quite hot. it usually is at 1/4, now it's over half.

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Ok, if the fan isn't working, you will have to either get a fan clutch, or the fan relay. Neither are very expensive, I would recommend replacing both to basically kill 2 birds with one stone, and eliminate that particular area. If you find any other problem, I'll be here. Hope that helps.

Posted on Mar 13, 2009

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My fan isnt working on my 96 honda accord will run hot


check to see if its the rad coolant fan motor that is bad, it could also be the temp sensor for the rad fan that is bad not sending signal to computer to turn on fan. it could be the fan relay or bad electrical connection in the system or even the computer. you don`t say what if anything you have checked.

Aug 30, 2014 | 1996 Honda Accord

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Jeep over heats & leaks antifreeze won't start after


The question is very vague especially as you have not completed the problem. However, with regard to the overheat problem it could be one of many things. 1) Leak somewhere in the hose system. You need to run up to normal temperature, get underneath and see if there is any water coming from any of the hoses. If so either tighten them or replace any worn hose.
2) A faulty thermostat. You might find that the thermostat is sticking and rather than mess about with it - replace it. If it is jammed open then there is no temperature control and the water (including antifreeze) will get hotter and hotter until (like a kettle) it bubble out of control.

3) Damaged radiator or fan operating at radiator. Fiat - check the radiator to see if there is any damage. A small stone could have pierced the delicate skin. If this is the case then you will need to replace it. Run the engine up to normal temperature and check to see if the fan(s) at the radiator are working. If not then it could be one of three problems. 1) there is a faulty connection to the radiator - check to see if the wiring loom is plugged in 2) there is no power to the wiring loom either from the rad end or the sender end - and 3) there is no 'message' being sent from the thermostat to tell the fan to cool the rad down.

Unless you are really competent and know a lot about both the heating system or the electrics it would be best to drop it into a mechanic who would give it the once over.

My last point would be DO NOT keep running the vehicle as you could damage the engine beyond repair. Remember what the Radiator does - it cools the engine to a running temp.

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1 Answer

2006 Nissan X Trail---Why does rad fan seems to run a lot?


you may want to check to see if it is overheating causing the fans to run a lot, or you have a bad thermostat that is stuck closed and needs replacing. it also could be shorted to be powered constantly, maybe a relay problem, or even a bad cooling fan sensor that shows the engine temp hotter than it really is.

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2 Answers

Car fan still running after turn off


That happens all the time with our Jetta after we drive it. It's normal.

Mar 26, 2014 | 2004 Mitsubishi Lancer

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I have a 2001 Saturn SL. I am having some problems with the car running hotter than normal. It is not over heating, but is not running as cool as it was. The temperature gauge use to be around the...


I would say that the rad is the problem once a battery or rad gives you a problem after 5 years got rid of it ..I have talked to a Saturn dealer years ago.and most saturns run warm. And they use organic stop leak from the factory.because of the (popcorn)cast block.

Aug 16, 2013 | Cars & Trucks

1 Answer

1996 Legacy Overheating It has coolant and both fans are working. Overheats after about 10 min of driving. Checked oil was a little low put 1 liter in. Radiator has pressure, opened when hot and coolant...


Costs nothing to try this, just in case coolant level was low when or after bottle changed, and you got an airlock. Start car when cold, rad cap off and heater on. Now let in run until it comes up to normal operating temperatures and rad fan(s) kick on and off, 2 or 3 times, and add coolant to proper level in rad if it goes down during process. Then after that, put rad cap back on, fill coolant return bottle to proper level and try it. Quite often when re-filling an engine cooling system, people forget to turn on heater to get coolant circulating through the heater core.

Nov 06, 2010 | 1996 Subaru Legacy

2 Answers

The car is running hot..we went to change the thermostat, but discovered it didn't have one in the line. What could be causing it to run hot??


check electric fans to see if they are coming on. and also make sure there is enough anti freeze in system. if fans do not work proper, check the fan relay if relay is ok. then the problem is either a bad wire or the fans itself are bad. to check fans-- take wire connector off of fans, then run a wire from positive on battery to positive on fan, ground other wire if need be. if fans do not run then thats your problem.

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1 Answer

Cooling system problem


try running it to running temp and try to check the heater core hoses. if one is hotter then other may have pluged up heater core.

Jan 01, 2009 | 1995 Pontiac Grand Am

1 Answer

Temperature gauge


no,not "into"red,but close to it. if it goes to red,you might have a failing thermostat. let me xplain. -a failing thermostat will either make your motor run too hot,or too cold,(the temp you see on your dash is for the motor)
NOW,you also have a temp sensor for the radiator fan,which is on the radiator.
SO,if the motor thermostat isnt opening,the rad' isnt getting the hot water(to cool off),in turn,the fan will come on later!!(hotter)
in conclusion,replace the engine thermostat,(it's cheap$$)

Dec 25, 2008 | 1999 Lexus SC

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