Question about 1999 Oldsmobile Intrigue

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Cooling system overheating in idle fine while driving

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  • Anonymous Oct 04, 2008

    my fans not working , with or without a/c on or off ? relays check good , put 12 volts to motors , motors ran ok , fuse all good , wires look fine, do the fans come on when the ac is turned on? , my ac is not working , (low on r134) and I do not know where the coolent temp sen. is located

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Sounds like your electric fan isnt working . turn on your AC and see if the fan turns on.

Posted on Sep 11, 2008

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2 Answers

Hi my 2000 Honda odyssey temperature gauge rises to red but shows no signs of the car overheating but while driving everything is normal but this only happens while in idle any suggestions? Need help asap


Make sure your cooling fans come on. If overheating at idle it is likely for the fans to have failed. While driving the air rushing through the grill cools the coolant in the radiator which is probably why it's fine while driving. You shouldn't drive the car if overheating as this will cause damage to the engine. Check fan relays, fuses and fans. If you turn the A/C on the fans should come on.

Apr 20, 2014 | Cars & Trucks

1 Answer

Car overheating on idle


Does the radiator fan come on before it overheats?
And is it boiling over, or just showing hot on the gauge ?
Is the cooling system full of coolant and no air pockets ?
How do you know the thermostat is ok ?

Jul 29, 2012 | 2003 Ford Focus

1 Answer

I have a 1995 saturn.it only overheats when i drive it.it does fine when it idles.i have changed the water pump thermostat fan motor and radiator cap and flushed the whole system and it still overheats.


If your car is overheating when you drive it,but you have replaced and made sure the radiator fan motor is working and coming on,you have flushed the system and replaced all your cooling components,then you may have a blown head gasket.Check for a milky white look to your oil dipstick.If so,you have a blown head gasket.or you might also have an air pocket in your cooling system that you need to bleed out.Good luck.

Aug 23, 2011 | 1995 Saturn Sl

1 Answer

Our 2000 Camry 4 cylinder just overheated, all fluids seem to be fine what else could it be?


Could be a bad thermostat if it stays closed it will overheat quickly.A bad cooling fan will overheat the car at idle but not while driving.A bad radiator act the same as the thermostat may be better at higher speeds.A water pump will usually make noise.Bug parts or debris clogging the radiator will be self evident.Air in the cooling system will usually make the overheat come and go. A bad coolant sensor can tell you the car has overheated when it actually has not. Just some things to look at.

Oct 16, 2010 | 2000 Toyota Camry

1 Answer

When idling my jeep overheats. The cooling fan is running and it speeds up when temperature goes up. The temperature gets close to 260 degrees and the engine tries to stall. when I start moving it cools...


At idling speed an engine does build up a lot of heat and the cooling fan will kick in. In slow moving traffic or traffic jams the temperature gauge can touch the red - particularly on hot days. The reason it cools down when you start moving is because of the air flow through the radiator.

Presumably there are no leaks from the cooling system otherwise you would have mentioned it. In normal circumstances the fan will not be running as you are driving at speed, as the air-flow through the radiator is sufficient to cool things. The fan only kicks in to get rid of excess heat - and this usually occurs at idling speed or after you have parked the car.

If the fan is running all the time as you drive, this points to either a fault in the fan switch, or the car is running too hot. presumably in normal driving the fan isn't running and the temperature gauge reads normal?

It is common - in stationary traffic many cars overheat (particularly big engined models) try to stall and 'cut out'. Restarting can be difficult until the engine cools down.

Is your car overheating in normal driving conditions or just at idle speed? Overheating in normal driving conditions can be caused by things like a failing water pump, blocked radiator, collapsed hose, faulty thermostat or, in the worst case scenario, cylinder head problems.

Overheating at idling speed is 'common'. Check your coolant level. If your car isn't using/losing coolant then there probably is no major problem. You can flush out the cooling system and refill with new coolant - and also check your radiator. Are the cooling fins crumbling with age? Or maybe they're partly clogged with insects and debris from the road? A blast with a hosepipe wil sort that out ..

The question is how much does your car overheat in normal driving? If it doesn't .. it appears as though you have nothing to worry about as such. Most cars have 2 speed fans... the 2nd faster stage kicks in at some point dependant on engine temperature. Perfectly normal.

Aug 14, 2010 | 2003 Jeep Grand Cherokee

1 Answer

Overheating a4


install a thermostat, it is vital to prevent over heating and over cooling

Jul 04, 2010 | 2002 Audi A4

1 Answer

Thermostate ranges from overheating to just fine while driving.


is the fan working? if the fan isnt working it will overheat when idling, as it wont be sucking cold air through the radiator. a quick way to diagnose that your cooling system is fine is when stuck in traffic, turn your heaters onto hot, if the engine temp gauge shows that the engine is cooling down, the cooling system will be fine 9/10 times.

hope this helps.

Mar 18, 2009 | 1996 Buick Regal Olympic Gold

1 Answer

Overheating


First and foremost--check the coolant level! Check for leaks, if possible, do a pressure test of the system.

Second--It is possible that one of your cooling fans (electric) is not working. The fans are controlled by temperature. They come on when needed. One of them usually comes on when the A/C system is engaged to pull air thru the AC system coils.

These are the first two steps to check!

Regards,

Brian

Aug 10, 2008 | 2000 Dodge Intrepid

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