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97 eldorado idles and does not run hot, only when driving car runs hot.

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  • Cars & Trucks Master
  • 5,370 Answers

May be its low on coolant or radiator hoses clogged or its thermostat issue,its remaining closed or it can be issue with coolant leaking from somewhere.Or cooling fan not running when when engine gets warm.
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There are many other possibilities causing these issues.:----
To troubleshoot the issue yourself,i provide you few very helpful links with solutions:-----
Click the link below:----

Dodge Dakota stalls, stumbles at idle. Has low fuel flow and runs hot?

http://schematicsdiagram.blogspot.in/2012/03/dodge-dakota-stallsstumbles-at-idlehas.html

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1991 Toyota Trecel: Engine Starts fine but dies when gets Warm?

http://whatisbyme.blogspot.in/2012/05/1991-toyota-trecel-engine-starts-fine.html

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1995 Lexus LS400: Running Hot?

http://whatisbyme.blogspot.in/2012/05/1995-lexus-ls400-running-hot.html

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Multiple problems on car: Car runs hot, A/C blows hot and car starts surging?
http://schematicsdiagram.blogspot.in/2012/04/multiple-problems-on-car-car-runs-hotac.html


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There are many possibilities for car overheating.

Faulty thermostat clogged radiator/plugged radiator, radiator hose worn out. Coolant running low. Low coolant pressure. Faulty temperate sensor.



I suggest you to go through the troubleshooting details mentioned in the link below:-----


All types of car overheating problems and troubleshooting?

http://technoanswers.blogspot.com/2011/11/all-types-of-car-overheating-problems.html

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These will help.

Thanks.

Posted on Dec 06, 2012

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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  • 43 Answers

SOURCE: 1997 cadillac eldorado running hot

Sometimes a vacuume leak can cause overheating problems too.

Posted on Jun 19, 2009

savindude
  • 175 Answers

SOURCE: 97 Monte carlo is overheating.

If the thermostat is sticking closed you can maybe tap the housing with a hammer or other tool while it is running, it may cause it to open up and you will see the temp going down on the gauge. As I recall the thermostat is at the front, within easy reach, so you could go ahead and take the thermostat out, reassemble and see if you still have a problem. For testing it won't hurt anything to run without it, just make sure to replace it with a new one if it's bad. There's also your waterpump and possibly a fan clutch. If it has electric fan make sure they are coming on, if not maybe the fan itself or possibly relays can be bad. Please rate this. Thanks and good luck.

Posted on Jul 02, 2009

csmock132
  • 4669 Answers

SOURCE: '99 cadillac eldorado, Northstar engine w/AC problem

Have you unhooked the battery since you put the freon in? If not, do it.

Posted on Jul 04, 2009

germcelchar
  • 389 Answers

SOURCE: at idle car runs hot, but when driving it cools down.

Is the heater working ok if not it may be airlocked need's bled. WHen it heat's up so quickly then the only other thing is a faulty thermostat stuck closed. It may also be the radiator but unlikely because It should take longer than 5 minutes for it to overheat.

Posted on Sep 20, 2009

  • 1 Answer

SOURCE: 92 honda accord is running hot but radiator fan is not turning

Connect the fan directly to the battery to test

Posted on Dec 08, 2009

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