Car runs too hot..... "UPDATE" - Page 4 - 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 10-17-2006, 12:30 PM   #31
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Quote:
Originally Posted by mrbell83
I have read people putting new pumps in and having that problem but my pump is original, could this still be the problem?
How many miles are on the car/engine?
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Old 10-17-2006, 12:33 PM   #32
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I would flush it with water first. If you notice a problem, then replace.

As for the water pump... once you get it apart you see how it works and say.. gee..that'* simple.
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Old 10-17-2006, 12:36 PM   #33
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Quote:
Originally Posted by vital49
Quote:
Originally Posted by mrbell83
I have read people putting new pumps in and having that problem but my pump is original, could this still be the problem?
How many miles are on the car/engine?
121K....
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Old 10-17-2006, 12:37 PM   #34
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Quote:
Originally Posted by BillBoost37
I would flush it with water first. If you notice a problem, then replace.

As for the water pump... once you get it apart you see how it works and say.. gee..that'* simple.
Thats what I thought..........

I have seen how they work, and since I notice no leaks, or bearing whine, I would assume that its fine? Maybe?
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Old 10-17-2006, 12:41 PM   #35
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Let me repeat this,

I replaced mine.. no change
I flushed my teater core..no change
My issue was apparently the radiator that even after I was positive it was clean..was filthy.

Not saying this is your issue or solution. There is most likely only one thing causing your issue. One thing.... Finding what you did last before the heating occurred or the cause w/o doing anything is the final solution.

Therefore the lower cost methods you put to work w/o knowing the answer, the better. Then you'll have money to fix the real issue when is surfaces.
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Old 10-17-2006, 12:50 PM   #36
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Boost, I understand what you are saying, but as I said earlier in this post, I flushed that MFer every which way but loose, nothing came out. I had a profesional flush done a few weeks ago and had new coolant and a new 180 stat put in. For a while (a week or so) the cars temp was fine, then one day it was wacky, moving all the time, so I changed the thermostat again, this time going with a 180 heavy duty stat that napa sells. I tested it first just to make sure that it worked, and it did. I drilled the little holes in it and blead the system. No change, still jumping up to that hot temp. I didn't do any one thing to have this as a reaction, thats why I am so stupmed with this ***** f*%&$* piece of monkey **%& car!

I did mess with the AC compressor and as Bill (willwren) stated, that has nothing to do with cooling and nothing to do with my quad fault check engine light............

So I guess the plan is going to be try and blow out the heater core, if it flows easily I will replace the water pump? Also what about condensor removal? Can I take this out? Will this help with cooling?
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Old 10-17-2006, 09:02 PM   #37
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The condesor shouldn't help or hinder cooling unless its blocking the airflow.

The heater core should not make you run hot either. (Who runs with the heat on in the summer?)

If you are overheating its one of 6 things: airflow, coolant flow, coolant, thermostat, radiator, or head gasket.

What coolant are you using? and are you using the correct mix? Believe it or not but 100% pure coolant will casue you to overheat.

Is the fan kicking in when it gets too hot? Does it get hotter even with the fan on?
(I'm thinking a flakey fan/relay or eec temp sensor)

When its overheating, are you seeing alot of bubbles in the coolant?

Now I have a question for the experts, do the Bonne'* use two temp sensors?
The reason I ask is that my 'other car' uses two: one for the gauge and one for the computer. The fans won't come on correctly when the computers sensor is flakey and people unfamiliar with this inadvertantly replace the wrong sensor.
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Old 10-17-2006, 09:36 PM   #38
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Now I have a question for the experts, do the Bonne'* use two temp sensors?
His 92 sure does.
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Old 10-18-2006, 12:11 AM   #39
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TY Bill, thats another item to test.
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Old 10-18-2006, 08:43 AM   #40
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Both Temp sensors are new........

The coolant is new and mixed correctly........

The Stat is a new 180 and was tested before installed......

The heather core seemed to flow fine.........

There is nothing restricting air flow.......

The fans do come on and the engine cools down once they are on.....

So what'* that mean? Water pump? Also how can you tell if its a head gasket? Compression check? If so, what should it be?

P.*. No coolant bubbling, the car actually doesn't overheat, but it runs too hot, when it was running hot (last time it was running) it was nearing the 240 mark and it wasn't bubbling.......
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