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DeVille

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Question
Wrong Front Driver Side Axel Installed
Hi there. Depending on how the axle is wrong sized, (meaning if it's too short or the inner shaft teeth was not the correct size to match the differential) would determine whether internal damage has been done in the transmission....
Question
Hello i have an appt for friday and i just want to make sure that lugnuts comr with the wheel studs because i only have one
Hi there. I have forwarded your question to our service experts who should be able to confirm that the wheel studs will include lug nuts as well for your Cadillac DeVille. They should reply to you soon. Thanks!
Question
Get "check your oil level" on dash info panel. Had it checked out, was told it was oil sensor and a "dealer item". Was also told t
Hi there. The oil sensor is not incredibly difficult to replace on a 2001 Cadillac DeVille, but can be difficult to get to without a lift. This video is for a different vehicle, but the same engine as your car,...
Question
Hey I have a 2000 Cadillac deville and about two weeks ago it started accelerating slow so with the car running I checked the tran
The issue is much more likely to be engine related and, if so, can be diagnosed readily by a mobile mechanic with an appropriate real time scanner. With regard to the transmission filter, if the filter were clogged enough to...
Question
Why do my 1985 4.1 engine suurge
It is possible that you could be having an issue with your fuel pump. I would recommend first starting by getting the fuel pressure tested by a qualified professional. Once this has been done you will want to compare the...
Question
I had a fuel pump,filter,and the gas tank cleaned and lined in my 1985 Cadillac Seville the car is surging it cuts off but crank r
Hello, thank you for writing in. The vehicle may be experiencing a wide variety of issues. Considering the age of the vehicle, the list can get even more extensive. Unfortunately, this is going to be a process of elimination until...
Question
Surging
Hi There, Its sounds like you may have an issue with the refrigerant being overfilled or potentially have a bad AC compressor switch, which is what controls the AC compressor and when it cycles on and off. Any time the...
Question
My ex husband said the oil filter housing is cracked on my 98 cadilliac deville concours where can I buy the part and rough estima
If the part is not vended by GM, a good source is Car-part.com. The labor cost is not particularly high as this component bolts onto the block. However, there is some variance in cost depending on whether your vehicle has...
Question
Jerking reaction
Hi There, It sounds like your vehicle may be a bit low on transmission fluid or you may potentially have a bad transmission control solenoid. As you know, the transmission works on hydraulic pressure built up from the fluid inside...
Question
Does the mechanic fix the ABS Traction Control problem, or just inspect and diagnose?
Hi There, Our experts here at YourMechanic are certainly able to fix any issues found when diagnosing the ABS and traction control system. As you may know, the traction control system monitors the steering and stability of the vehicle and...
Question
Caddie shaking an idling when I'm at a stop
Hi there. In most cases, when your engine will shake while idling after completing a replacement job, it's due to a vacuum leak. Quite often, you'll have to remove vacuum lines, air intakes or other components to access the alternator....
Question
White smoke
Hi There, You may have a very small head gasket leak that may be allowing very small amounts of coolant to leak int the cylinders resulting in the coolant being burned with the fuel in the cylinders, which is what...
Question
I have a 1998 Caddy DeVille, has original muffler and catalytic converter. had to be tweaked to pass CA smog, replace both?
Hey Pete, thanks for writing in. The replacements have more to do with what is actually wrong with the vehicle. If they have been modified illegally, then the answer is an automatic yes. Not only does it cause issues with...
Question
Lights, trunk keyless entry and fuel door not working
There is a good chance that these are all on the same circuit and you have a blown fuse. Check your car's owner's manual for the fuse panel location and you can check. Most fuse panels have a description of...
Question
I got a 95 Cadillac deville. When I go 65 uphill my car drastically loses power.
It is possible that you could be having an issue with your fuel system. It is possible that your fuel pressure regulator is failing causing a lack of sufficient fuel pressure when going up an incline. It is also possible...
Question
Why does my 99 Cadillac deville northstar leak every time we stop
Hi there. In most cases, a coolant leak is caused by either a small hole in a coolant line, a coolant line connection or the radiator itself. The leak can also come from a water pump that is broken or...
Question
Can a radiator from an 02' DeVille work on a 99' DeVille?
The radiators used in the 1999 versus 2002 model years do not interchange. The design and fit is different and the catalog part numbers do not interchange. Radiators these days have come down in price. The radiator on this model...
Question
I have a 91 cadillac deville with 90,000 miles. If i drive short distances it runs great...if i drive long distance (45 min +) esp
Hi there. When mechanical systems operate for extended periods, or heat is developed, minor issues tend to be amplified; especially with fuel system components like dirty or clogged fuel injectors, air fuel mixture components or fuel and air filters that...
Question
97 Cadillac DeVille theft system
If the engine immobilizer system (security system) is causing problems, for example preventing the car from starting, you may see a security warning light. If the warning light is on, to temporarily override the immobilizer system, see these instructions. If...
Question
My 1997 Cadillac diville will crank but dies after a few seconds even if i give it gas yet sometimes will crank and run fine
Hello, thank you for writing in. Electrical issues with the anti-theft system can mess with the functionality of the vehicle. This does not mean that this is the cause of your problems, but is worth inspecting further. If it feels...

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