1993 Cadillac DeVille Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1993 Cadillac DeVille

One or more of the power window regulators (one in each door) may fail causing the window to fall into the door and not roll up.

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.

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.

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I just had my transmission rebuilt, it is front wheel drive. I was looking on computer and found that on front of motor by starter is a I think BCM ground could that need a cleaning or make sure its tight be an issue. The dash lights work till I pull on the lights then they go out and no codes ca...

Recently took it Caddy in to get new water pump, fuel pump and gas tank. When I got it back, the door locks, rear defroster, power seats and trunk pull down didn't work. Only checked and replaced fuses. Still no luck. Any ideas how to fix?

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Cadillac has recalled 1991-1993 Cadillac DeVille and Fleetwood vehicles because the upper transaxle cooler line may leak. In the presence of an ignition source, a fuel leak in the engine compartment may result in a fire. Dealers will replace the upper transaxle cooler line.

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Good service out of the vehicle for almost 175,000 miles now. Power steering hoses leaked a couple times, but other than that a pretty decent car. handling and ride quality are better than most US made cars of that time period, but not up to the standards of luxury imports from the mid 90s.

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