2005 Cadillac DeVille Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Cadillac DeVille

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2005 Cadillac DeVille Problems

High Pressure Power Steering Hose Can Leak Fluid

The high-pressure power steering lines are known to leak.

Car Won't Start Because of Anti-Theft System That Uses Raised-Chip Key

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.

TCC Inop Due to Internal Transmission Fault

The torque converter clutch (TTC) may stop working due to an internal transmission failure. The Check Engine Light will illuminate if this occurs. Our technicians tell us the transmission will require dis-assembly to correct this concern.

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2005 Cadillac DeVille Questions

How to replace front air bag sensor. Can not find where to unbolt (1 answer)

Do not see how it comes off. Has star bit bottom and some strange thing on the other side

Should I change the radiator fluid? It's a 2005 DeV with 40k miles? (1 answer)

It has the 100k fluid.

I replaced the speed sensor after a po502 fault. Car now has same ploblems (1 answer)

Now transmission is eratic again plus a/c is acting up plus I have po502 and po503 now. It ran good for a week. The a/c blows hot out.of the drivers side and the transmission completely gives up and slips into neutral while you have it in drive. The outside temp. Seem to have something to do with...

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2005 Cadillac DeVille Recalls

Ignition Lock Cylinder Concern

Excess weight on the key ring can cause the ignition switch to move out of the run position without warning, turning off the engine. This defect can also affect the safe operation of the airbag system. Until this recall is performed, customers should remove all items from their key rings, leaving only the ignition key. The key fob (if applicable), should also be removed from the key ring. Dealers will install two 13mm key rings and key insert into the vehicle's ignition keys to correct this concern.

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2005 Cadillac DeVille Reviews

I have for this car 5 years the car had 5500 miles on it when I first bought it. A little grandma owned this vehicle. The car sat for a long time, never was used that often. I paid $12,000 For this car, the car was like brand-new. she paid $46,000 dollars for it new. The only thing I put into it was a new battery. The battery in the car at the time was five years old, did not want to take a c...
i have a 2005 deville with over 221,000 miles. we bought this car new and i have to say it has been well worth the money. i've never had any major issues with this car. i've had routine maintenance done, such as brakes and such, and we change the oil every 3-5000 miles and had the transmission flushed about every 60-80,000 miles. i use synthetic oil and swear by this oil. i've had to replace th...
I have a 2005 that I've driven for 167k miles with nothing more than brakes and tires to be changed. I change the oil about every 4k and mainly run on highways with the cruise control. Best car that I've owned.

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