Car getting really hot - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 04-05-2005, 11:48 PM   #1
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Default Car getting really hot

I have a 95 ssei, with a drilled 180 tstat, my car comes up the var just abouve the red line, whats wrong with my carAnybody have the same issue, doesnt do this in cold weather only when warm or really hot,( could it be my fans arnt turing on? if thats it how would i fix it?
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Old 04-06-2005, 12:09 AM   #2
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Eek. No fans? Pop the hood when it gets hot to see if the fans are running, if you can't hear them. It may just be the relays.
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Old 04-06-2005, 01:20 AM   #3
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Make sure you don't have a clog in your system. When the car is cold, start it up and pull the rad cap off and see if the coolant'* flowing in the radiator once the t stat opens up.......Check and see if your water pump is shot
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Old 04-06-2005, 01:54 AM   #4
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maybe even a bad tstat... or an innaccurate gauge
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Old 04-06-2005, 02:17 AM   #5
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Turn your AC on, and make sure the fans are on high speed. Does that cool you down?

How'* power? If you kick your cat, do you hear a rattle?
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Old 04-06-2005, 09:51 AM   #6
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The cat is brand new, the tstat is about 1 month old, with the AC it actually gets hotter, when i trun the heat on full it cools a bit. ill see if the fans come on if not i got some issues
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Old 04-06-2005, 12:12 PM   #7
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Don't assume the stat is good. Did it do this before the stat change? I've seen half a dozen bad stats posted here in the last year, new out of the box.

If your car gets hotter with the AC on, sounds like a fan problem to me. It should cool it down fairly quickly.....3 to 5 minutes or so.
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Old 04-06-2005, 12:21 PM   #8
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Quote:
Originally Posted by willwren
Don't assume the stat is good. Did it do this before the stat change? I've seen half a dozen bad stats posted here in the last year, new out of the box.

If your car gets hotter with the AC on, sounds like a fan problem to me. It should cool it down fairly quickly.....3 to 5 minutes or so.
I agree, Bill. My new 180 stat stuck closed a week after I installed. It was the "fail safe" kind too. LOL.
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Old 04-06-2005, 02:12 PM   #9
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I had a similar problem last summer. Car would run hot even with the fans on and even hotter with the ac on. Turns out my radiator was plugged up with some lint type stuffand other things. About 70% of it was blocked and i wasn't gettign any airflow. I took it out and sprayed it clean with the garden hose and flushed it out and no more overheating.
I noticed it was plugged when i was putting on my tranny cooler and i was under teh car and could see the front of the radiator and noticed it was plugged.
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Old 04-06-2005, 08:10 PM   #10
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Ok...now that it'* warm in New England...I noticed my fans weren't on. They work with the a/c on. Just replaced the temp sensor for them on the intake under the TB. Will...you had sent me pics of where the relays were and they ended up being the a/c....thought it was fans too..but was too cold to tell. I'm back under the hood if anyone knows exactly which relays on a 95 SSEi control the fans w/temp sensor.

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