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.

Idle overheating

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Old Apr 25, 2004 | 10:38 PM
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Default Idle overheating

I've noticed that now that it'* gotten warmen (70'* F) that the car runs unnormally high if it idles for a couple minutes. I'm not sure what the temp actually is, but it runs at about the 3/4 mark, getting too close to the red zone for comfort.

I've read a couple people'* posts, and it seems that these engines run pretty warm. My question: are there any steps you can take to significanly reduce that temp, like removing the pretty engine cover and so forth?

Thanks!
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Old Apr 25, 2004 | 10:43 PM
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When was the last time you flushed your radiator. You may need to flush it. You may also want to check your t-stat.
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Old Apr 25, 2004 | 10:51 PM
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yea you could mesh your */C cover to reduce the temps. But yes our engines run fairly hot. GM says that the 180 Stat is bad for the 3800
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Old Apr 25, 2004 | 11:08 PM
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Mine acts the same. If I am idlieng a lot, I make sure to turn on the AC to get the fans running.
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Old Apr 25, 2004 | 11:15 PM
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I have a '95 SSEi also and I also have a 180 t-stat and have replaced my radiator with int the last year (meaning all new coolant). I frequently get up to the 220 range when idleing on a warm day. About the only additional step you can take (which I should do also) is o get a fan override switch to turn on the high speed and low speed cooling fans on warmer days. This is roughly the same thing accomplished by running the AC but it doesn't freeze you out of your car.
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Old Apr 25, 2004 | 11:17 PM
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I have heard of running an override switch for the fan but havent done it yet because mine doesnt do this.
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Old Apr 26, 2004 | 01:11 AM
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It makes sense that the engine should run the fan on high when it get warm. The fan doesn't consume that much power, and it makes a helluva difference. Maybe I'll look into getting one of those override deals from zzp.

Thanks for the input
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Old Apr 26, 2004 | 01:25 AM
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I might later on
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