1994 Cadillac DeVille Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1994 Cadillac DeVille

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1994 Cadillac DeVille Problems

Transmission Fluid Leak From Cooler Line

The rubber section of an automatic transmission cooler line may develop a fluid leak . In some cases the leaking section of hose can be replaced. In others, the complete cooler line must be replaced to correct this concern.

Check Engine Light Due to Intake Manifold Vacuum Leaks

An intake manifold vacuum leak can develop from a variety of sources, often causing illumination of the Check Engine Light with codes P0171 & P0174 stored. Thorough diagnoses will be necessary to pinpoint the cause in order to make the correct repairs. A "smoke" machine is often used to isolate the cause of difficult to find vacuum leaks.

Car Won't Start and Security Light is On

Problems with the anti-theft systems using the raised-chip key can prevent the car from starting. The wires in the steering column to the ignition lock cylinder tend to break. The the key and ignition lock cylinder must be replaced to correct this condition.

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1994 Cadillac DeVille Questions

I checked for problem codes and these 4 came up P039,P052,I039,I052 how do I res (1 answer)

How do I resolve these problem codes P039 Converter clutch engagement problem P052 PCM memory reset I039 Loss of Road Sensing suspension data I052 Keep alive memory error, Or can I just reset

My car will crank up and run but once I cut off it won't crank till about 30 min I got a 450 amp battery connected but my car use a 750amp is that the problem (1 answer)

I Done put a module,pick up core, spark plus and wires my fans won't come on unless I take my censor out

Turn single relay were is it (1 answer)

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1994 Cadillac DeVille Reviews

Rated
based on 9 customer reviews
Purchased quite used in December of 2013. This Fleetwood had 84,000 miles after twenty years! The ride cannot be beat. The mileage is excellent (24MPG) and the power (160 HP) is phenominal. I said many years ago that I'd not ever drive an ugly car. This is the car of my dreams. When something on it needs attention, I don't mind putting the money into it....it's worth it!
I was bequeathed my second lac from my mom in 1999 which she bought new in 1995, it is now 2011 and it still looks amazing, having a lil trouble with the tranny, which is being fixed, and just serviced the top of the motor, new injectors a thorough throttle body cleaning down to the heads, removed center head and replaced valve covers and all hoses. Hey its been 18 plus years of the good life...
1994 deville or DEVIL-le.Here is a brief summary of the problems I have or had with mine. Fuel filler neck leaks onto hot muffler. Fuel door sticks closed. Abs sensor wire on front passenger side breaks easily and costs over $100 for 1 wire!Brake lines rust and fail very easily. Cheap plastic radiator causes transmission oil cooler rupture causing transmission to burn up.Egr valve sticks open o...

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