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Low oil pressure light came on after 180 mile drive. I
Low oil pressure light came on after***** I removed the oil filter and installed a KD Tools oil pressure checking setup. … read more
Jerry Newton
Jerry Newton
Cadillac Technician
Vocational, Technical or Trade Scho
1,738 satisfied customers
I have very big thoughts on ‘Northstar system' I have owned
Hello! I have very big thoughts on ‘Northstar system' I have owned a 2007 Cadillac DTS. And I am so what familiar with the Head gasket issues and oil leaks. I would like to just get educated. Correct … read more
Jerry Newton
Jerry Newton
Cadillac Technician
Vocational, Technical or Trade Scho
1,738 satisfied customers
I have a 1997 Eldorado and have a hg failure , i figured to
I have a 1997 Eldorado and have a hg failure , i figured to ask yall (since all the questions i have asked have been answered correctly to fix my car) could whom ever send me the instructions to repai… read more
George H.
George H.
ASE Certified Technician
Associate Degree
792 satisfied customers
no heat in passenger area,car overheats,coolant is ok and doesnt
no heat in passenger area,car overheats,coolant is ok and doesn't boil over and doesn't have any pressure when rad. cap removed. just started in very cold weather 4 days ago. can you heip?… read more
Dave Nova
Dave Nova
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Associate Degree
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Cadillac Deville: Cadillac dealer techs only please. I have
Cadillac dealer techs only please. I have a 99 Northstar DeVille. I am having overheating problems. The test shows I have exhaust gas in the coolant. I have heard talk of the earlier cadillacs qualifi… read more
Dave Nova
Dave Nova
Cadillac Technician
Associate Degree
1,522 satisfied customers
Cadillac deville:96 cadillac deville thats overheating,
I have a 96 cadillac deville thats overheating, the heat does not work inside, and the ac doesnt blow, the oil was black when i changed it, i had to change out the coolant resevoir when i first bought… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
Cadillac sts: 1997 Cadillac Seville sts engine was being put
1997 Cadillac Seville sts engine was being put back together when three head bolts would not go in because of bad threads. should timeserts be used to replace those three or should they all be drilled… read more
Dave Nova
Dave Nova
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Associate Degree
1,522 satisfied customers
97 el: overheating..belts..owner forgot to tight the cap and it ran
hello i have a 97 el dorado im working on it is overheating i replaced the termostat and the belts are good. the owner forgot to tight the cap and it ran most of the coolent out a few days ago and it … read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
Cadillac: the engine had the head gaskets replaced
Can the front head be removed? the engine had the head gaskets replaced by cadillac dealer 10K ago. Before I junk the engine I just want to check to see if the heads were redone… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
1997 cadillac: overheating..head gasket..car runs..highway
1997 cadillic overheating problem/recently had head gasket replace, theromstat, waterpump, a complete overhaul, the problem is that its overheating, cool indicator keeps coming on, and car runs hot ca… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
seville sts: cad..with the 32 valve northstar engine
I have a 1997 cad seville sts with the 32 valve northstar engine. there is water loss and over heating problems. there is slight water foam in the oil. there is no oil in the water. The cooling fans d… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 satisfied customers
srx: awd..goes away..leaking or cracked intake, similar..head gasket
I have a 04 srx, 4.6 awd, cel is on and engine is skipping but goes away , I think it may have a headgasket issue, or could it be from a leaking or cracked intake, similar to the old 3.8s ? And if a h… read more
Mark
Mark
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Associate Degree
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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
Cadillac: the Northstar engines, preventing the head gasket failure
Which year did Cadillac change the head gasket on the Northstar engines, preventing the head gasket failure? All of them, like I just read is not the correct answer.… read more
John
John
MASTER AUTOMOTIVE TECHNICIAN
2 YEARS COLLEGE
9,106 satisfied customers
Head gasket sealant in autozone says permanent sealant. Does it work?
I noticed some permanent head gasket sealant in Autozone. One is Bluedevil, it specifically says not recommended for Northstar engines. Is it the one that will work for this engine and does this reall… read more
Dave Nova
Dave Nova
Cadillac Technician
Associate Degree
1,522 satisfied customers
1998 STS: v8..cars have blown head gaskets..torque
I own a Cadillac 1998 STS with Northstar 4.6L motor. I also own a Cadillac Sedan Deville 1997 4.6L Northstar v8. Both cars have blown head gaskets. Haynes Repair Manual states: "The top (inner) row of… read more
George H.
George H.
ASE Certified Technician
Associate Degree
792 satisfied customers
99 Deville: trip..fluids..It has been slowly loosing coolant
99 Deville, Coolant Disappears?? The other day I and three others started a small trip. I checked the fluids before I left - toping off the coolant. It has been slowly loosing coolant for sometime now… read more
George H.
George H.
ASE Certified Technician
Associate Degree
792 satisfied customers
1996 cadillac seville sts: its blown heads gaskets..I..water pump
Hey i just bought a 1996 cadillac seville sts with 4.6L engine but it overheats after like 20-30 minutes after driving do you think its blown heads gaskets..I put a new water pump in it,thermo and sti… read more
David H
David H
Vocational, Technical or Trade Scho
2,678 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

1,209 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Chris (aka- Moose)

Chris (aka- Moose)

Cadillac Technician

1,075 satisfied customers

24 years of experience diagnosing & repairing

George H.

George H.

ASE Certified Technician

792 satisfied customers

ASE Master Tech 15+ Years

Tim Mohr

Tim Mohr

ASE MASTER TECH

588 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

Mike S.

Mike S.

ASE Certified Technician

545 satisfied customers

ASE certified

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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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