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Oldsmobile Forum: Intrigue Temperature Problems
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  #11  
Old December 6th, 2007
LittleHoov LittleHoov is offline
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Just thought Id add, the Intrigue doesnt actually have a radiator cap, its a sealed system. The only cap it has is the one for the overflow tank. I would assume thats how the system is filled.

Something to consider now is air in the lines, was the system properly bled? Who knows.

I also know of one member on another forum who kept chasing an overheating problem until he changed, of all things, his serpentine belt, it was slipping and his water pump wasnt running at full capacity.
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  #12  
Old December 6th, 2007
Ryano Ryano is offline
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Quote:
Originally Posted by LittleHoov View Post
Just thought Id add, the Intrigue doesnt actually have a radiator cap, its a sealed system. The only cap it has is the one for the overflow tank. I would assume thats how the system is filled.

Something to consider now is air in the lines, was the system properly bled? Who knows.

I also know of one member on another forum who kept chasing an overheating problem until he changed, of all things, his serpentine belt, it was slipping and his water pump wasnt running at full capacity.
I read something like this also, I think it was over at CT, the guys AC compresser was draging but had not failed yet. What he noticed was the belt began to slowly come apart. He replaced the compressor and that was the fix. My guess is you could remove the belt and spin the clutch on the AC, but I dont know what you could do to turn the compressor shaft. Any ideas?

first post: http://www.chevytalk.org/fusionbb/sh...hp?tid/167435/

http://www.chevytalk.org/fusionbb/sh...hp?tid/169370/

Last edited by Ryano; December 6th, 2007 at 11:31 AM.
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  #13  
Old December 7th, 2007
lowgearjoe lowgearjoe is offline
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Quote:
Originally Posted by mike529 View Post
When I began noticing the temp gauge problem 5 days ago. It seemed that when I was driving steady, the gauge stayed around the 1/2 point but when moving slowly or idling i would watch it get hotter and hotter until i started driving faster again, then it would cool back to 1/2.
As of the past few days the gauge seems to move up and down more frquently irregardless of speed or idle unless I really drive it hard, then it does seem to bring the gauge back down.
Mike have you checked and made sure the cooling fans are working? sounds like there not working!
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  #14  
Old December 7th, 2007
mike529 mike529 is offline
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I went back to Firestone today. They said the first thermostat was bad and replaced it. That didn't fix the problem. They spent hours trying to figure the problem out. They checked for head gasket or a cracked block and said they were ok. Fan was running fine. Eventually it came down to either air pockets in the line or they thought the radiator might have some blockage. They flushed the system again. I even saw a mechanic with a stethoscope!

They stayed 40 minutes past close working on it to their credit. It now runs slightly below 1/2 and occasionaly climbs to between 1/2 and 3/4. I'm going to drive it for a day and see what happens. Might try some GM dealers. Maybe they have dealt with this before. I can still hear the gurgling noise when i come to a stop and turn off the heater.

Mike
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  #15  
Old December 7th, 2007
mike529 mike529 is offline
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I drove the car to work today(14miles) city streets and after work did some xmas shopping and took it on the highway on the way home. One time going to and from work the gauge rose above 1/2 by a click or 2. Otherwise it ran a bit below 1/2 the rest of the time.

At least it's driveable now, though I won't feel comfortable for at least a month or so that it's fixed. Only time will tell.

Regardless of my situation, is it normal for a temp gauge to fluctuate somewhat during normal driving? Also, do all cars temp gauge sit around the same reading? I mean should they all be around half or less? Mechanic the other day told me it varies from car to car.

Mike
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  #16  
Old December 8th, 2007
Ryano Ryano is offline
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Quote:
Originally Posted by mike529 View Post
I drove the car to work today(14miles) city streets and after work did some xmas shopping and took it on the highway on the way home. One time going to and from work the gauge rose above 1/2 by a click or 2. Otherwise it ran a bit below 1/2 the rest of the time.

At least it's driveable now, though I won't feel comfortable for at least a month or so that it's fixed. Only time will tell.

Regardless of my situation, is it normal for a temp gauge to fluctuate somewhat during normal driving? Also, do all cars temp gauge sit around the same reading? I mean should they all be around half or less? Mechanic the other day told me it varies from car to car.

Mike
I can see my needle move alittle around town, usually sits a bit to the right of center. thats about 225 degrees, on hills it goes up alot faster, with passengers faster than that.

I really dont know about other car gauges but would think they would be the same.

Im going to do a test over the weekend to see what happens when I disconnect the AC compressor plug, but turn on the AC. Of course there wont be any ac but the fan will work. I want to see when it works.

I see that you said your gauge came down abit. Do you think Firestone put in a lower degree t-stat?

Keep us informed!
Denny
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  #17  
Old December 9th, 2007
Jrs3800 Jrs3800 is offline
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Just an off color question...

when they did the Flush, did they make absolutely sure that the Overflow system was functioning as it should and was not clogged in any manner?

I have seen these systems actually clog the Bleed lines... Gotta love Dex Cool...

Whne these lines clog and allow for nothing to bypass the pretty well closed system will not bleed... You will have air pockets in the system if this happens as the Heads of your cas physically sit higher than the radiator...

I have in the past spent hours cleaning out that type of overflow for overhearting issues...

Good luck... and what ever you do... DO NOT let that aluminum Head 3.5 get to the red..... You'll be buying head gaskets and head work in short order..
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  #18  
Old December 7th, 2016
hosejockey61 hosejockey61 is offline
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Ok fellas, bringing an old thread back from a few years ago.

Did you determine what the actual cause of the problem was? My kids intrigue is having the exact same problems:
  • fluctuating temperature
  • can get it to cool down if accelerate quickly
  • coolant overflow has proper amount of coolant
  • fans work

There just isn't any rhyme or reason as to why the temp will go up. I am curious though as to why I can get the temp to come down when accelerating. That has to be some sort of clue to the problem...?

HELP!
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  #19  
Old December 18th, 2016
mikeaurora mikeaurora is offline
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it probably is a circulation issue, has the water pump ever been replaced? Is the serpentine belt NOT slipping or is there a drag on it from another driven part like the ac or a idler pulley, tensioner or power steering pump? Has the thermostat ever been replaced? Hooking up a good scanner that sees what the temperature sensor is reporting back to the ECU (reads live PID's) can tell you a lot, analogue gauges are not very accurate especially after years of use. As long as it is NOT a head gasket issue, it should be reasonably easy to eliminate those items, and don't discount the possibility that the surge tank cap is not sealing-does the top hose have good pressure when the engine is hot? That has to be the case, then go from there.
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  #20  
Old December 10th, 2017
C&C C&C is offline
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Post removed; posted in error.

Last edited by C&C; December 11th, 2017 at 06:23 AM.
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