1997 Cadillac Seville overheating

Tiny
CONFUZED_101
  • MEMBER
  • 1997 CADILLAC SEVILLE
  • V8
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
When we first got the car (sls) it ran fine but then it started to overheat. So we thought it was the headgaket so we bought this stuff called thermaseal and we flushed out the system and did what it said on the can. Did not over heat when we let it itle. Heres the thing it will not over heat when u sit in park and have it at 2, ooorpms for 5-10 min the temp gage stay halfway but when you drive it for a min or so down the street it would overheat. So we replaced the rad and looked at the water pump but the water pump was fine. Filed up the new rad and tryed again soon as we would go down the street it would heat up and fast. I have no idea what it could be. Anyone have any ideas? Thanks
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Friday, December 28th, 2007 AT 11:43 PM

3 Replies

Tiny
BUZZSAW
  • MEMBER
Pressure test it for leaks, stop throwing parts on it, since you have probally overheated it to much, you probally have done damage, the head bolts have probally striped out by now, sorry to say
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Saturday, January 5th, 2008 AT 3:35 PM
Tiny
CONFUZED_101
  • MEMBER
Pressure test it for leaks, stop throwing parts on it, since you have probally overheated it to much, you probally have done damage, the head bolts have probally striped out by now, sorry to say[/quote:1bb267ecb2]

well it seems fine I will do the pressure test what kind of damage would it do sence I ran it for a wile? Thank you for giving me info it is helping me learn more.
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Sunday, January 6th, 2008 AT 11:16 PM
Tiny
BUZZSAW
  • MEMBER
Pressure test it for leaks, stop throwing parts on it, since you have probally overheated it to much, you probally have done damage, the head bolts have probally striped out by now, sorry to say[/quote:65ddf9d3c4]

well it seems fine I will do the pressure test what kind of damage would it do sence I ran it for a wile? Thank you for giving me info it is helping me learn more.[/Quote:65ddf9d3c4]

if no leaks are found, probally the head gaskets are damaged(headbolts)
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Wednesday, January 9th, 2008 AT 2:37 AM

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