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ot- need help wifes car is overheatin!!!

I have been piddlin with this car for a month now. Please sombody thats a mechanic throw a bone. I have flushed the system and put two different thermostats on it and took the radiator out today and took it and had it rodded out. Still the temp fluxuates between 190 and 210 and eventually drivin it like that a couple days it will overheat big time again. Also the heat aint workin either. Is the whole system stopped up or what.

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BIG SWAMP BAWLIN

PR BLACK LABELS WIPEOUT KID (RIP)
PR BLACK LABELS WIPEOUT KATE

Could your belt tensioner be failing? I just replaced one on my daughter's car, it was not putting enough tension on the belt to turn the pulley on the water pump. Also, it could need a new water pump.

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Rip Acorn Creek Black Swamp Jester

In Honor of Jim Sizemore, " This ain't no benchshow!"

Re: ot- need help wifes car is overheatin!!!

quote:

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Originally posted by rabbitman85
I have been piddlin with this car for a month now. Please sombody thats a mechanic throw a bone. I have flushed the system and put two different thermostats on it and took the radiator out today and took it and had it rodded out. Still the temp fluxuates between 190 and 210 and eventually drivin it like that a couple days it will overheat big time again. Also the heat aint workin either. Is the whole system stopped up or what.

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what year car make and model and engine , does it have an electric fan ??

Re: Re: ot- need help wifes car is overheatin!!!

quote:

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Originally posted by intellectualist
Well, since you have no heat, your heater core is probably stopped up. That may be fun to change!
Could be the water pump as well.

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Thats what im thinkin, the whole system needs flushin out real good and the heater core is stopped up. Its a 03 grand prix gt. All the hoses are good, im not loosin any water, water pump seems to be workin fine as well.

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BIG SWAMP BAWLIN

PR BLACK LABELS WIPEOUT KID (RIP)
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did it have bars put in it? that stuff will plug leaks and everything else too, bad stuff

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Steve Beson
Pinconning MI

quote:

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Originally posted by rabbitman85
Thats what im thinkin, the whole system needs flushin out real good and the heater core is stopped up. Its a 03 grand prix gt. All the hoses are good, im not loosin any water, water pump seems to be workin fine as well.

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overheating

top of t-stat housing should have a air bleeder screw sound air lock

Head gasket

It might be the head gasket we had one that did the same thing, so go get it pressure tested to se if it is holding pressure?

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Michael Nye
910 381 6214
Powered by Purina

Re: overheating

quote:

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Originally posted by BELCHER6349
top of t-stat housing should have a air bleeder screw sound air lock

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Sounds like air lock or bad head gasket to me. Dont know a whole lot about gm cars, but had a PT cruiser at work that would be fine for like 3 weeks then all of sudden then just overheat. Had a small head gasket leak.

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Just in it for the fun of it!!!!


Mercer County Coonhunters Association, Greenville, PA 16125

if you can see air bubbles in the radiator when runnin, head gasket leak/ ever just pull the thermostat out and run it to see if it still overheated? heater core, have fun.
kelley

sent pm.

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GrNtCh.Ch.Pr'Top-Notch Southern Black Bo
matt jones
334-559-5039

you can call me if you like 571-233-5819 and i will walk you through the diagnosis. 1st ina lot of cars the thhermostadt is in the lower hoses therefore the block has to be filled seperate/2nd the reason you dont have heat is there is no coolant in the heater core.because it is the highest point in the cooling sys. so if you can bleed it out and it works for a little while than you have a headgasket leak. theyy have a co tester that checks for cos in the cooling sys. im tiired of typing call me!!!! or good luck

Thanks alot guys. Ill probably be callin you potomac, mjones. I gotta get it fixed, my wife is gettin tired of drivin my old truck lol.

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BIG SWAMP BAWLIN

PR BLACK LABELS WIPEOUT KID (RIP)
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Is the fan runing

Since its a GM product, Im assuming there are some basic similarities between pontiac and chevy. I know this is gonna sound stupid, and its GM's way of taking care of their engines when the soccer moms arent smart enough to watch the temp gauge, but try turning the AC on max with the engine running and see if your electric fans are working. Also, as crazy as that sounds, if it does overheat while shes driving it she can turn the AC on and cool the engine off. Yeah, I know, thats a slap in the face of us old school car people to turn the air on with an overheated engine, but doing so should automatically engage the fans. The only GM engines Im aware of that are "reverse cooled" are the 93-97 LT1 engines. PERHAPS yours is also though. If so, you should see two brass bleeder screws. One in the top radiator hose and another on the thermostat housing. If you have those, with the engine running at normal temps, CAREFULLY loosen those screws until only coolant seeps out with no air mixed in.
Whether or not the heater core is stopped up should have no effect on your engine cooling, however, with an engine thats running hot, typically the heater doesnt work! Cant explain that one! Hope this helps and fixes your problem. If not, I suspect a blown head gasket.

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Richard Burchett
Home of PKC CH, AKC CGN and UKC GRCH GRNITECH 'PR' Reece's Hammering Haley (gone, but NEVER forgotten or replaced)
UKC GRCH, UKC GRNITECH, PKC CH, Burchett's Bullet

Decided this mornin I had spent enough time playin mechanic. I took it to the radiator shop. They done some kind of test on it and said it had either a cracked head or the head gasket was leaking. Hummmmm, that sound expensive!!!!!!

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BIG SWAMP BAWLIN

PR BLACK LABELS WIPEOUT KID (RIP)
PR BLACK LABELS WIPEOUT KATE