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Resources for the Repair and Maintenance of your 1994 Cadillac DeVille

1994 Cadillac DeVille

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1994 Cadillac DeVille Problems

Engine -- Verified

The engine may develop oil leaks from the lower crankcase portion of the engine block. Our technicians tell us that the engine must be removed from the vehicle to properly repair this oil leak.

Heating & Air Conditioning -- Verified

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

Engine -- Verified

The crankshaft position sensor may fail causing the engine to stall intermittently, the Check Engine Light may or may not illuminate.

Brakes -- Verified

The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.

Miscellaneous -- Verified

The trunk pull down switch may fail causing the trunk lid not to close completely. Our technicians tell us that the failed switch can be replaced without changing the complete pull down motor assembly.

1994 Cadillac DeVille Questions and Answers

flip, 1994 Cadillac DeVille, 4.6L V8, Broken Arrow, OK

138k no warning lights on . car wont move untill warmed up . tranny shifts smooth. hesitates from dead stop i ease into throtle to keep from banging it had fluid changed 1 month ago seemed to help ...

Logova, 1994 Cadillac DeVille, 4.6L V8, San Jose, CA

My car over heats and i replaced the radiator and coolant resevoir. I have also replaced the thermostat but it seems to always over heat. Could it be a faulty thermostat.

Caddy_1, 1994 Cadillac DeVille, 4.9L V8, Charlotte, NC

steering wheel vibration

Husker71, 1994 Cadillac DeVille, 4.9L V8, Montgomery, TX

My Caddy has to idle for 15-20 minutes before the transmission engages. It seems to work fine once I get past the warm-up time. What might be the problem?

lrlove, 1994 Cadillac DeVille, 4.6L V8, Indianapolis, IN

The AC will not come and the cooling fans will not operate. I've replaced the high and low cut out switch, temperture sending unit, checked all fuses and wiring, what am I missing

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1994 Cadillac DeVille Reviews

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, its time to treat her rite. wouldnt give it up for the world.

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 or closed and costs over $350 for the part. Ecm is noteworthy as crap.Reoccuring code p076 despite 2 transmission rebuilds and extensive electrical testing. Not enough head room. On the plus side you will still look classy broken down on the road. Gm should be embarassed.

Im a 4 time caddy owner, nothing like deville's , even had 2 escalades cnt beat the ride and it eats up highway.

i love my lac wouldnt trade it for any other car it may give me some problems time from time put when you fix enough stuff in it will run like a dream

I have had this car now for 3 years and its amazing I have had to replace the cadilac converter, tune-up, and brakes I have put around 120k miles on it in the three years its now @ 260k miles and runs amazing!!!!!! FOR ANYONE EALSE THAT HAS THIS SMAE CAR I WILL GIVE U SOME ADVICE TO MAKE IT RUN BETTER!!!!!!!! 1ST IT SAYS PREIUM GAS THAT 93 OCTANE USE IT U WILL NOTICE A BIG DIFFRENCE AFTER ABOUT 6 FILLUPS WHEN U FILL IT UP USE LUCUIS FUEL INJECTOR CLEANER IT HELPS WITH GAS MILLAGE AND HELPS THE CAR RUN BETTER!!! 2ND CHANGE THE CADLIAC CONVERTER TO A SMALLER ONE!!! BETTER GAS SONDS BETTER!!!
I have have had this car for awhile adn with the milage is on it it runs like a champ AND I DRIVE FAST!!! IM 25!!!! my average gas millage is 20- 22.8 miles for long distance driving across the country it gets about 30-34 miles/gallon remember curse control is ur friend!!

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