Car runs too hot..... "UPDATE" - Page 3 - 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 10-11-2006, 02:06 PM   #21
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Free is Free...

My favorite uncle is Uncle Free
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Old 10-11-2006, 02:16 PM   #22
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Quote:
Originally Posted by BillBoost37
Free is Free...

My favorite uncle is Uncle Free
Translation...

Yes, pull that radiator and clean it out seven ways from Sunday. :P
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Old 10-11-2006, 02:39 PM   #23
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yes....here is my experience, I recently saw a rad removed from a members car, now mind you this rad had been washed out from both sides with water, and he had been having troubles with the car getting hotter than he would have liked....the rad was removed and then set onthe wall.....when i knocked the rad over by accident, a pound and i mean literally a pound of dirt fell out of it.....

you may want to remove the rad and clean it
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Old 10-11-2006, 02:44 PM   #24
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yeah..then he made me sweep up the dirt when I got back from WCBF...
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Old 10-11-2006, 03:05 PM   #25
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Quote:
Originally Posted by BillBoost37
yeah..then he made me sweep up the dirt when I got back from WCBF...
Well you were the one that chose to clean it up.

I guess sometime next week i will pull it and clean it, this weekend is up north time....
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Old 10-16-2006, 06:13 PM   #26
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I am getting ready to do this tonight, I have one more thing to ask, are there oil cooler lines running thru the radiator? I have a 92 SE.........
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Old 10-16-2006, 07:19 PM   #27
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No. Only the L67'* got that.

Should be coolant and trans fluid only on yours.
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Old 10-17-2006, 09:35 AM   #28
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Quote:
Originally Posted by willwren
No. Only the L67'* got that.

Should be coolant and trans fluid only on yours.
Yep Bill you are correct, I got it out last night and I flush it 8 ways from Sunday as directed, nothing came out, I even tapped it lightly on the ground trying to jar and loose dirt out, but nothing at all, she was clean, my buddy told be he is almost positive that its a heater core, or he said there is a rare chance that something inside the water pump it wrong, but he said the same thing we all say, there either work or they dont.

So ideas? Does it sound like a heater core, the previous owner said steam use to come out of the heat vents when he would turn it, however I never noticed this......

P.*. Since my AC doesn't work, I was wondering if I could get that big second radiator (I think its for the AC) infront of the radiator out of the way?

Also, a guy at work told me to take a pressure washer or compressed air and blow the heater core out, is this safe? Would this unclog it?

Let me know what you guys think......
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Old 10-17-2006, 11:52 AM   #29
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I would apply an open water hose to the heater core, not pressure washer. The core is designed to hold 16psi, normal household pressure is around 30-37psi. However with both hose open..you won't build the pressure and hurt anything. Flow will be visible and obvious.

Water pump. The GH'* recently had a thought on this that may be worth mentioning. That is a poor pump where the pump didn't rotate at the same rate of speed as the pulley due to poor construction.
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Old 10-17-2006, 12:14 PM   #30
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Quote:
Originally Posted by BillBoost37
I would apply an open water hose to the heater core, not pressure washer. The core is designed to hold 16psi, normal household pressure is around 30-37psi. However with both hose open..you won't build the pressure and hurt anything. Flow will be visible and obvious.

Water pump. The GH'* recently had a thought on this that may be worth mentioning. That is a poor pump where the pump didn't rotate at the same rate of speed as the pulley due to poor construction.
So no compressed air or pressure washer got it. The only idea was to blow out so to speak anything that was in there, or I am assuming that it is best to just replace it. I have read people putting new pumps in and having that problem but my pump is original, could this still be the problem?
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