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Its overheating when driven It will idle for a time without
its overheating when driven It will idle for a long time without ever heating up but can only drive it about 6-7 miles before it tells me its overheating and pull over and let idle after which it will… read more
Jerry
Jerry
Service consultant
Vocational, Technical or Trade Scho
13,108 satisfied customers
cadillac deville: have a 1999 cadillac northstar engine overheating.
have a 1999 cadillac northstar engine overheating. water level ok,fan belt ok, radiator fan working, all pulleys are turning. runs at 208 degrees at idle but heats up to 228 degrees as soon as rpm's i… read more
Jerry Newton
Jerry Newton
Cadillac Technician
Vocational, Technical or Trade Scho
1,738 satisfied customers
fans where ruing untill i replaced a sensor, after that the
fans where ruing untill i replaced a sensor, after that the fans stoped ruing and the temp went up. please help… read more
Dave Nova
Dave Nova
Cadillac Technician
Associate Degree
1,522 satisfied customers
Just replaced the radiator on my 99 4.6 litre Northstar engine. Engine is overheatin
Just replaced the radiator on my 99' 4.6 litre Northstar engine. Engine is overheating I think because of possibly an airpocket beneath the thermostat. The top hose is not hot when the engine temperat… read more
Dan
Dan
Technician
Vocational, Technical or Trade Scho
26,493 satisfied customers
4.6 northstars fans not work with fan turned..only after temps
should 4.6 northstars fans not work with fan turned up heat turnned up.comes on only after temps 222 what could be reason fans want some on immeditly… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
13,004 satisfied customers
2001 cadillac DTS: 000 miles..overheats..flushed..new coolant
2001 cadillac DTS,175,000 miles, Northstar engine overheats. have flushed engine, added new coolant and thermostat. problem not apparent while idiling,seems to appear once driving begins. no oil in co… read more
Dan
Dan
Technician
Vocational, Technical or Trade Scho
26,493 satisfied customers
1998 Cadillac Seville: leaking..side plastic..car started to overheat
i have an 1998 Cadillac Seville STS. About two months ago the radiator was leaking on the side plastic in which I replaced the radiator. Last week while driving the car started to overheat. I loosened… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
2002 Cadillac Deville: overheating..a lift..leaking..waterpump
I have a 2002 Cadillac Deville with a Northstar, it is overheating and I have changed the thermostat already, but it still heats up, mostly when I stop, the heater works sometimes after I get rolling,… read more
Dan
Dan
Technician
Vocational, Technical or Trade Scho
26,493 satisfied customers
Cadillac: new gasket, bolts and coolant..warranty..engine temp needle
I had the entire engine head bolts replaced at 45K miles by Cadillac. All new gasket, bolts and coolant. I am at 85K now, out of Cadillac warranty, and I noticed that the engine temp needle went on fu… read more
cartech
cartech
master tech
High School or GED
3,324 satisfied customers
2000 Cadillac Deville. Only overheats under a load, (AC on
2000 Cadillac Deville. Only overheats under a load, (AC on and driving), Coolant is good, no front end damage, replaced thermostat, water pump, temp sensor, flushed coolant system, made sure the radia… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
1999 Cadillac Seville SLS: thermostat, hoses, and the water pump
I have a 1999 Cadillac Seville SLS, and I'm having an overheating problem. A mechanic has changed the thermostat, hoses, and the water pump. It seems a little better, but I'm still having the problem.… read more
Dave Nova
Dave Nova
Cadillac Technician
Associate Degree
1,522 satisfied customers
1998 Cadillac: dealership..thermostat flushed the radiator..water pump
We have an 1998 Cadillac De Ville that keeps getting hot. We have had it to the dealership and they can not seem to find any thing wrong. We have changed the thermostat flushed the radiator and the wa… read more
Ivan
Ivan
Automotive Instructor
Bachelor's Degree
4,857 satisfied customers
1998 Cadillac deville: front wheel drive..v..8, is overheating
1998 Cadillac deville (Northstar front wheel drive 4.6 v-8, is overheating rather constantly now. For about a year, it was overheating when the A/C was running and the car was stopped for extended per… read more
Lee
Lee
Auto Tech
ASE Master Auto. tech
392 satisfied customers
My Cadillac Seville is overheating when you in heavy trafic
My Cadillac Seville is overheating when you in heavy trafic or parked but never when on open road. Please help… read more
Dave Nova
Dave Nova
Cadillac Technician
Associate Degree
1,522 satisfied customers
1999 cadillac deville: light came..it towed..radiator..my mechanic
i have a 1999 cadillac deville i bought 3 weeks ago...as soon as i purchased it i drove the car for about 15 minutes and noticed it started overheating...the service engine light and change oil light … read more
carguyjosh
carguyjosh
Associate Degree
2,164 satisfied customers
97 deville: i just replaced the water pump and thermostat..degrees
i just replaced the water pump and thermostat to a 97 deville over a month ago. now it is heating more than usual in the afternoon. in the morning it will read 196 degrees and in the afternoon it will… read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,660 satisfied customers
99 Cadillac DeVille: 54,000 miles..block test kit..head gasket..drove
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
Dave Nova
Dave Nova
Cadillac Technician
Associate Degree
1,522 satisfied customers
97 Deville: had a leak coming..sealant..about 220-230..my thermostat
two weeks ago, my 97 Deville had a leak coming from radiator. I put a bottle of sealant in radiator and the leaks gone but car overheats to about 220-230 after driving about two miles. I was thinking … read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
13,004 satisfied customers
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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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