Question about 2000 Oldsmobile Intrigue

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2000 Intrigue overheating

I have an intrigue that is over heating. It gets air bubbles in the motor coolant system. you can burp the car and it will go away for about a week or two then get more air bubbles and start overheating again. and i am also starting to get mold spots on my carpet. which makes me think it is the heater core. but i am still getting good heat. i would really like to get a more info before i spend money on something that may not be the problem.

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  • Mary Apr 18, 2009

    No there is no antifreeze dripping. we had taken it to our mechanic and he replaced the thermostat several times charging 400 and it didn't fix it. but what about the mold i am starting to get on the floorboards??



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This is a heater core problem .its over heating becuase the cooling is not going around the heater core . so just replace it.

Posted on Feb 17, 2011

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Needs to be taken to a shop and see if there are Hydrocarbons in the cooling system. This would mean it is a head gasket problem and that would prove it. IF not it MIGHT be the heater core... But most likely not.

Do you notice antifreeze dripping from the AC drain??? IF not... It is not your heater core.

Posted on Apr 18, 2009

  • Start up - let warm up... Turn the Defrost on
    IF you smell a sweet smell... (Hot antifreeze) or the windshield fogs... The heater core is bad

    IF You dont get either
    It is likely the Headgasket

    NOW for the mold... It could be the AC Drain is clogged
    Find the tube on the outside... GENTLY poke the crud out (It should only go in 1-2 inches) - Water will start to flow when unclogged



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1 Answer

Will an air pocket in the coolant system cause it to overheat or over pressurize on a 2001 Nissan Sentra ?

1. The radiator cap if working correctly it will release pressure in the system provided the cap you have is the correct pressure setting. If you are having a problem with pressure then replace the cap with a new radiator cap with the correct pressure setting. Do not use a cap with a pressure setting other than the original equipment pressure spec. So you do not go to the parts store and buy any radiator cap on the shelf that fits because they come with different pressure ratings and some of these will be totally unsuitable for your car.

2. If the pressure valve is stuck in the "old" cap the pressure release system will not work.

3. Overheating
Air pockets in the cooling system can definitely cause overheating and can retard coolant flow through the system. If you are draining the radiator to replace the coolant or replacing the radiator you need to follow the correct procedures for bleeding air out of the system for that particular engine after coolant refilling. Some engines have bleeder screws on the cooling system to assist in the air bleeding procedure and some don't.

There are various causes for overheating so don't assume it will necessarily be solved by bleeding any remaining air from the cooling system and replacing the radiator cap with one that works.

Other causes can be...........
1. Faulty cooling system thermostat. (Replace the Thermostat)
2. Faulty water pump, especially if the impellers have corroded away or have disintegrated in the case of those design genius water pumps with plastic impellers. (Replace the water pump)

3. Cooling fans not working and if so the cause needs to be tracked. Check that your fans are kicking in. If the engine is overheating the fans should be running because they will switch on when the coolant reaches a specific temp and well before the coolant gets excessively hot.

4. A partial blockage in the coolant passages inside the engine but not in the radiator if you have a new one. If the coolant is not changed at the required intervals(frequently the case with many owners) or is over diluted with water you can get a build up of debris. If products like stop leak have been used in the system this can create similar problems with partial blockages inside the engine coolant passages.

5. A compression leak into the cooling system.
If you have bled air from the system and have continuous air bubbles in the cooling system I would suspect a compression leak. In that event a basic leak down test will show if you have compression gasses leaking into the cooling system and from which cylinder(s). The spark plug is removed and compressed air is forced into the cylinder via the spark plug fitting and air bubbles will show up in the coolant of there is a leak into the cooling system.
Have the problem with overheating addressed immediately. Running the engine with an overheat condition will cause expensive engine damage many times the cost of fixing the overheating issue.


Dec 29, 2015 | Nissan Cars & Trucks

2 Answers

How do i stop air bubbles in holding tank, they are constantly flowing and the car overheats

Blown head gasket or crack in a head or block ! Pull the sparks an see if any have coolant on them .

Oct 03, 2015 | 2000 Oldsmobile Intrigue

1 Answer

Overheating with thermostate leaks hoses good

Blown headgasket. Or air gettin into coolant system. Cooling systems are pressureized and thats how they can get so hot without boiling. If your getting air in the system it boils easily cause its not under pressure. Or also if you only have water in it and not a 50/50 mix of water and coolant

Sep 13, 2015 | 2000 Oldsmobile Intrigue

1 Answer

2000 oldsmoble intrigue has no heat at idle

Sounds like there is still air pockets in the coolant system, let idle to full temp with the cap off and the car on an upword angle to alow air to move then while engine running and coolant if needed to hot mark on the coolant tank.

Dec 02, 2013 | 2000 Oldsmobile Intrigue

2 Answers

Overheats---put new thermostat, changed radiator hoses, head gaskets are ok; still overheats

If you did not replace the water pump it could be the issue. Or you still have air bubbles trapped in the system.

Mar 10, 2011 | 2000 Oldsmobile Intrigue

3 Answers

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

3 Answers

My car keeps overheating

What have you checked .,., ARE you loosing colant ,
if yes, check the thermostat .. if not then does the Radiator get hot at the top and not at the bottom if ,,,yes then the radiator is bunged up inside ,and out ,also still thermostat. could be Water pump,or belt slipping,could be worn engine like blown head gasket only letting compression in to water system causing boiling ,,Brakes or Gearbox binding up..
Let me know with more infomation ASAP. Ron

Oct 11, 2009 | 2000 Oldsmobile Intrigue

1 Answer


Who did the replacement of the parts? Was it done at a shop or at home? Do you know if the cooling system was "burped" after the parts were installed and the coolant was refilled? If you're not sure, burp the radiator. This is easy to do. Jack up the vehicle so that the thermostat is angled upward. Start the car and let it idle until it's 3/4 of the way to overheating, then shut it off and allow it to cool down somewhat. Then pop the cap, let the coolant drain down, and refill it. Restart the vehicle and repeat the process, until the coolant level doesn't drop anymore.

What you're doing is this - anytime the cooling system is opened up, especially when the fluid is drained and parts are replaced, air gets into the system. When you reassemble and refill with coolant, you trap air bubbles in the system. Since the system is sealed, it operates under pressure. As the car runs, the coolant and the air bubbles are circulated. The bubbles get caught behind the thermostat (if you have it angled upward) and keep it from opening. This causes the engine to heat up to the point of overheating. You want to allow it to get about 3/4 of the way to an overheat so that you know the air bubbles are blocking the thermostat. Shutting down the car stops it from heating up to the point of damage, and allows the system time to cool off so that when you pop the cap, you don't get an explosion of coolant in your face. Once it's cool enough to open the system, you open it and release the pressure. This allows the thermostat to open and bleed the bubbles upward to the open cap, where they "burp" into the air. The space they took up fills with coolant, which is why your coolant level drains down. You top it off and repeat to make sure that all the bubbles are out. You'll know you're in good shape when you let it run and it gets to operating temperature and doesn't overheat anymore. Let it cool that final time, open the cap, and since you have no air pockets left in the system, nothing will burp out and your coolant level won't decrease. Then you should be good to go - put the cap back on and drive away happy.

Sep 27, 2008 | 1996 Jeep Grand Cherokee

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