Question about 1997 Oldsmobile Regency

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My car stay at same temp even when my fan r going ....it stays at 250 the...it jumps too 250 in less than 5 miles

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Have you checked the fluid level?. if the level is ok. it could be either the gauge is bad or the temp sensor or both.

Posted on Aug 29, 2008

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I`m positive you have a bad head gasket.I just did one for a friend of mine that had the same problem on his Buick Rondevous.Same motor.These are good motors but they have a tendency to blow the head gaskets.It is usually the back one for the #1 cylinder.Hope this helps.Good luck.

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My 95 firebird with the 3.4 v6 motor, out of the blue, started running hot today and hit 250 on the dash.. i hotwired the fan cause it wasnt comming on even when the temp 210,thats why i done that,, and...


you might want to check the fan relay switch it out with one that you dont need tho run the car then if the car stays cool you know that its the relay. but if that doesnt solve your problem try replaceing the temp sending unit that controls the fan there should be to temp sending unit one for the guage and oe for the fan.help this help.

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Intermitant temperature


Check to make sure your thermostat works right by monitoring the warming up of your engine. With a completely cold engine, start and run the engine for a few minutes, then put your hand on the top radiator hose to monitor if and when it gets warm as the thermostat opens more and more and note the gauge reading( if it works) the top radiator hose should be unbearably hot within 5-8 minutes. If the therm. opens right it should close right aswell, staying open a little while eventhough the radiator may have cooled may be what you are experiencing causing the rapid cooling and is nothing to worry about. The Hose should not get warm very soon after starting the engine. Regarding you gauge, lets take one step at a time, verify proper op. or the therm.

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Sounds a bit like a bad earth somewhere. Have a look at the wiring and make sure that all contacts are free from rust; especially at the front of the car.

Bob

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