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Crank position sensor is i believe the culprit on my 1993
crank position sensor is i believe the culprit on my 1993 Cadillac Allante. Previous mechanics have replaced MAP sensor, ICM, and EGR valve, but none have fixed the problem … read more
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Dan
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Vocational, Technical or Trade Scho
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I gave my son my 99 sts it has 185k on it I replaced the
I gave my son my 99 sts it has 185k on it I replaced the radiator about 165k the new radiator had an engine oil cooler which my car did not have I replaced the thermostat and water pump at this time t… read more
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Jerry Newton
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Boggled by a '99 STS with a Northstar. Engine overheats. Back history: Radiator replaced. Month later, tensioner pully failed, car got hot QUICK. Shut down. Limped back. Replaced tensioner, burned upp… read more
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oil pressure..engine was rebuilt now a ticking agin..changed oil
What is oil pressure at engine idle? the engine was rebuilt now a ticking agin. found sludgy like oil clumps in pan...owner ust never have changed oil\/… read more
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My 2001 STS smells a bit of coolant after it has been warmed well. Had the water pump changed last fall, and coolant flush before that. I can't see any leaks, it does not overheat. I am hoping this is… read more
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1998 cadillac: the radiator,t-stat..water pump..blowing..antifreeze
My 1998 cadillac sls keeps over heating. I have replaced the radiator,t-stat,water pump and water pump belt, i have had the system flushed and it still over heats. Its not blowing any smoke and I have… read more
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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
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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
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1997 Cadillac Deville: V8..overheats..the overflow tank weather..cool
I have a 1997 Cadillac Deville Northstar V8 and it overheats, there seems to be a lot of pressure in the overflow tank weather its heating or running cool, I'm wondering if the thermostat is stuck shu… read more
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1999 seville: check coolant level light..antifreeze..radiator
why is check coolant level light on on 1999 seville, also no antifreeze is in the oil so can it be ther thermostat? or radiator? but still i see no leaks… read more
George H.
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2001 Cadillac Seville: Northstar..overheat..traffic..Temperature gauge
2001 Cadillac Seville Northstar Engine. The cadillac seems to overheat when the car is in traffic. Temperature gauge reads over half mark when vehicle is standing or stopped in traffic especially with… read more
DanS
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overheating..water reservoir cap, water pump..radiator..no leaks
why is my 96 cadi overheating? I replaced the water reservoir cap, water pump, thermostat,and cheked my hoses, and radiator and no leaks are present the oil has no water present, and it takes less tha… read more
Randall C
Randall C
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Vocational, Technical or Trade Scho
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2000 cadillac deville: highway..the red and coolant blows..overflow
i have a 2000 cadillac deville with northstar engine.. during idle the car doesent overheat.. when i get on the highway the temp goes up towards the red and coolant blows out of the overflow tube.. so… read more
Randall C
Randall C
Auto Technician / Consultant
Vocational, Technical or Trade Scho
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My 2001 cadillac deville DHS overheats i changed the waterpump
My 2001 cadillac deville DHS overheats i changed the waterpump and checked for leaks.The low coolant light is on but coolant level is find.The riadiatorand themostat is new.No exhaust gases in the coo… read more
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Randall C
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Vocational, Technical or Trade Scho
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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

1,157 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Chris (aka- Moose)

Chris (aka- Moose)

Cadillac Technician

1,004 satisfied customers

16 years of experience

John

John

ASE Certified Technician

941 satisfied customers

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

George H.

George H.

ASE Certified Technician

792 satisfied customers

ASE Master Tech 15+ Years

Don - Mo Lurch

Don - Mo Lurch

Cadillac Technician

761 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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