Question about 2001 Oldsmobile Intrigue

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2001 Olds Intrigue is overheating.

Engine overheats in slow driving. As long as 2000 rpm is maintained it will cool down. If the heater is turned on, the engine temp goes up to high mark on temp gauge. When the upper heater core hose was removed, there was little to no coolant in it. Was told the water pump is OEM and was removed and re-installed. The Thermostat was replaced with a non-OEM one. A mechanic replaced the radiator and that didn't fix the problem, so he re-installed the old one. Another independent shop had the car all day and could not find a cause.

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  • 74 Answers

U have a restriction some wear obviously have u had the head gaskets replaced at some point there common and its common to install the wrong one as well

Posted on Oct 26, 2012

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Posted on Jan 02, 2017

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SOURCE: 2000 Olds intrigue overheating

Sure could. If the thermostat is stuck closed, it'll overheat. My question to you is - after you replaced the hoses (which for future reference, usually aren't the cause of overheating), did you burp the cooling system? When you removed and then reinstalled hoses and topped off the coolant, you trapped air bubbles in the system. These get stuck behind the thermostat. Since the cooling system is sealed and pressurized, these trapped bubbles keep the thermostat from opening - you need to burp the system.

It's easy to do. If you can, jack up the car so the thermostat is pointed somewhat upward. Start the car, and watch the gauge. When it gets 3/4 of the way to overheating, turn off the car. At this point, there are a lot of air bubbles trapped behind the thermostat and it can't open. Let the car cool off, then slowly open the radiator cap. You should hear a venting of pressure, and you'll probably hear coolant bubbling and running, both in the system and into the overflow tank. Now top off the coolant, and do it all over again. Keep doing this until you can idle the car and it won't overheat. Let it cool a final time, pop the cap again, and then go for a drive in your neighborhood - just keep circling the block if need be. Drive easy at first, watching the gauge at all times, and then if it behaves, get on the throttle and get the RPM up some with some stronger acceleration. If you still don't overheat, you've fully purged the air from the system. If you do start to overheat, pull over and let it cool, and nurse the car back home. Once it's cooled down, pop the cap again. Top off the coolant if you need to after the air is purged, and go drive again. Check your heat too - if you get good, hot air out of the climate control, you should have adequate coolant in the system.

If you keep on having overheating trouble, then you have a more serious issue than just air in the system. You may have a clogged radiator (feel the surface of it carefully - if you find irregularity in the temperature of the radiator's surface - cold spots, for example - you will need to remove the radiator and have it blown out and pressure-checked by a radiator shop. You may also have a torn head gasket (MAJOR repair job), or for some reason (and this is a long shot) your ignition timing may not be correct. There are a lot of things that can cause overheating (I've chased all of them in the last couple months on my wife's car, before finding and replacing a bad head gasket). Start with this troubleshooting though, and post a followup here as a reply to this post if you don't solve it, and we'll go from there.

Posted on Nov 26, 2009

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SOURCE: The temp gauge says the engine is hot but, in

I'm not certain if this engine has coolant bleeder valves, but if it does, make sure there aren't any pockets, particularly around the sending unit. Something is fooling the computer into thinking that things are really, really hot.

Posted on Nov 25, 2009

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SOURCE: oldsmobile is overheating in idle only

my termas gage go up and down

Posted on Dec 18, 2009

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SOURCE: I have a 2002 Olds

most likely heater core and to check if the water pump working..allow vehicle to warm up enough for thermostat to open and check for circulation in the fluid inside the radiator..if see it..water pump works.

Posted on Jan 28, 2011

  • 44 Answers

SOURCE: My 2000 Oldsmobile 3.5L intrigue is overheating, needle go slighty above 1/2 mark. Replaced coolant temp sensor, thermostat/housing, water pump is working, both radiator fans working , but spinning ki

Check to ensure fans are getting enough amperage to run at proper speed. turning your heat on removes heat form the engine and puts it into the passenger compartment. It could be possible that a sensor on the fan is not allowing the fans to spin fast enough or the fans may have a sensor which controls the speed of the fan to coincide with the heat that needs to be removed. Generally, your thermostat needle should sit just slightly below half. Do not run engine anywhere near the red zone as damage can result

Posted on Sep 21, 2012

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I have 2000 olds intrigue 3.5l. Jump on gas the other day temp gauge shot upand overheating light came on. I changed thermostat car still overheats. Not blowing white smoke like head gasket is blown....

Mine did that last summer and is now fixed. When was the last time you flushed the cooling system? If you use DexCool it turns into large clumpy pieces that can't go through the radiator. If you flush it and put in new coolant (not DexCool this time) and it's still hot, you'll need a new radiator instead of a radiator flush probably, as there will probably be DexCool "clumps" in the radiator that won't let your coolant go through it to cool your engine. Best wishes - and get someone good to do it, it's a lot cheaper than replacing the engine!

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1 Answer

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Feb 17, 2012 | 2000 Mitsubishi Galant

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Like many people here that seem to have the same problem with overheating in their 2000 olds intrigue, I too have replaced the thermostat and my mechanic told me that the plastic sheild in front of the...

If your car is able to go 25-30 miles before overheating,I have seen where a loose bolt or tensioner could cause you to go a while before overheat.The oil pump works but if the belt is loose,it cannot keep up with the required flow and slowly overheats.If this is not your problem,let me know and I will figure something else out.Good luck! Greg

Aug 09, 2010 | 2000 Oldsmobile Intrigue

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Hi all, I have a 5.9 l 2000 Dodge Durango SLT. Recently my truck has been overheating so I came here to troubleshoot unfortunately I cannot find any previous topics on my problem so here it goes. The...

replace your water pump. if youre going to do that, also do the t-stat just because it has been getting hot. refill and use distilled water with your coolant. happy holidays.

Dec 28, 2009 | 2000 Dodge Durango

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2000 Olds intrigue overheating

i have a 2000 olds intrigue thats been overheating alot lately the other day my drain plug for my radiator came on the way to work so i lost all my antifreeze on the way, i got to work and wound getting another plug to replace...the one that came out...topped off antifreeze...anyhow i go home and car overheats on the way home...i took it to a radiator shop today and they checked for, leaks, checked the water pump, pressure tested it...and they told me that the only thing they found was a airlock, but however the guy did recommend taking it to a mech and having it checked for a blown headgasket, so i go home today and i noticed my temp gauge going up and down on the way home it would get hot then cool down then get hot again...the car did eventually start to overheated so i pulled over and let the car cool down...i know this is getting frustrating, so do you have any recommendations or solutions as to whats cause the car to overheat.

Nov 25, 2009 | 2000 Oldsmobile Intrigue

1 Answer

3.5 olds intrigue overheating. Why?

Replace the radiator, and flush the system out. Don't use Dexcool in the system as this is the source of many cooling problems on GM's.

Jun 18, 2009 | 2000 Oldsmobile Intrigue

1 Answer

Overheating engine

This is a common misconception with cooling systems.

Removing the thermostat will cause overheating, due to the coolant not having time to be cooled down in the radiator. That is why if it is left idling, it won't overheat (low RPM - slow coolant flow).

The thermostat acts as a type of "restrictor" and slows down the coolant flow, giving the radiator time to do it's job.

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