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Running hot before and after new radiator and thermostat.
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Jerry
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I have a 2001 cadillac deville with northstar engine. heats excessively at 60 to 70 mph.I cleaned purgeline installed thermostat,checked radiator fans, they work.no leaks can be found.no coolant comin… read more
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I have a 1997 Cadillac deville and it is overheating. I changed out the radiator and it work for a couple of weeks and is now happening again. Any idea's?… read more
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My 1998 Cadillac Sedan Deville 4.6L V-8 is running hot (digital temp reading as high as 260 deg) radiator and water pump a little over a year old (dont appear to be leaking) also have to put coolant i… read more
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I have a 1997 Cadillac DeVille with a NorthStar engine. Last winter, I had a new radiator installed, and then a new water pump. For some reason, my coolant level would drop slowly until the "Check Coo… read more
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1999 Cadillac Deville is overheating.We replaced the radiator
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I have a mysterious coolant leak in a 99 Cadillac DeVille North Star engine with 54,000 miles. I purchased a block test kit to check for head gasket leak. I drove about a mile until the engine tempera… read more
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Meet the Experts:

Jerry Newton

Jerry Newton

Cadillac Technician

1,738 satisfied customers

ASE Master Technician, L1, Master GM Technician. Over 20 years of bumper to bumper GM experience.

Dave Nova

Dave Nova

Cadillac Technician

1,522 satisfied customers

ASE Master Certification. GM World Class Certification

Gm Tech (Cam)

Gm Tech (Cam)

Cadillac Mechanic

1,090 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

John

John

ASE Certified Technician

941 satisfied customers

ASE CERTIFICATIONS A1-A8 & L1 / 40 YEARS AUTOMOTIVE EXPERIENCE

Chris (aka- Moose)

Chris (aka- Moose)

Cadillac Technician

811 satisfied customers

16 years of experience

George H.

George H.

ASE Certified Technician

783 satisfied customers

ASE Master Tech 15+ Years

Don - Mo Lurch

Don - Mo Lurch

Cadillac Technician

705 satisfied customers

GM, Cadillac Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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