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2001 Seville ovee heating

Tiny
SBUTERBAUGH
  • MEMBER
  • 2001 CADILLAC SEVILLE
  • V8
  • FWD
  • AUTOMATIC
  • 90,000 MILES
My seville is overheating I have flushed cooling system changed thermostat replaced seals in water pump no coolent in oil or vice versa no leaks are apparent purged cooling system after all work got a tester kit to check for exhaust fumes in coolent wasnt positive for fumes going insane trying to figure it out tends to heat up rather quickly but takes about 7-10 miles to over heat after reaching center line on temp gauge and it raises realy quick as soon as it starts to over heat also changed temp sensor
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Sunday, May 15th, 2011 AT 1:31 AM

4 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
Flushing the cooling system doesn't accomplish much beyond changing fluid. You may have a bad radiator but you could also have a blown head gasket. They are not always that easy to test or detect. Block testers are not always very accurate.
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Sunday, May 15th, 2011 AT 12:16 PM
Tiny
PROTECH1980
  • MEMBER
  • 901 POSTS
Hey Wrenchtech, I have used a chemical tester for head gasket/head testing for years with good results, I have noticed that you have said they are inaccurate in other posts, have you had bad experiences with them? Just curious, I tried to PM you but it will not work, dont know if it's a problem with the site.
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Sunday, May 15th, 2011 AT 4:16 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
I have found that little rubber squeeze ball simply doesn't pull enough air to ever sniff any HC. I have seen people use a vacuum pump with them and that seems to improve things a lot but for the average person to take a couple squeezes on the plunger and pronounce the head gasket sound, they usually end up wrong.
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Sunday, May 15th, 2011 AT 4:20 PM
Tiny
CADIEMAN
  • MECHANIC
  • 3,544 POSTS
If the fans work properly and the radiator has good flow no cold spots. Your only driving a short distance. When u open the hood and the coolant jug is vomiting. Thats a sign of blown head gasket. Gl
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Monday, May 16th, 2011 AT 1:05 AM

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