1990 Cadillac DeVille Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1990 Cadillac DeVille

1990 Cadillac DeVille Problems

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

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1990 Cadillac DeVille Questions

Fixed that too. The darn car still runs like as if it's gonna die and also climbs a hill like I'll never make it. I need to know what can be causing my car to run like this after addressing these issues that occurred.

Both 1990 DeVilles I've had don't/didn't deliver good cabin heat amounts . I live in northern Vermont and really need it in the winter. The cabin does eventually get warmish, but not toasty in very cold weather. The 'heated' air entering through the floor duct often seems...

One day it will be running fine and the next it will be surging, have a rough idle, and will die. We have replaced the rotor, cap, module, spark plug wires, coil, spark plugs, fuel filter, fuel pump, and oxygen sensor. I cannot get the computer to read. Somebody has suggested that it may be the c...

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1990 Cadillac DeVille Recalls

THREADED INFLATOR COMPONENTS MAY HAVE BEEN DAMAGED DURING ASSEMBLY WHICH MAY ALLOW COMPONENTS TO SEPARATE WHEN INFLATOR RECEIVES A SIGNAL TO DEPLOY THE AIR BAG.

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1990 Cadillac DeVille Reviews

MY DAUGHTER GAVE ME HER 1990 CADDY DEVILLE WHEN ME JEEP LET ME DOWN.IT WAS RUNNING PERTTY ROUGH WHEN I GOT IT,BUT NOW I HAVE WORKED ON IT AND IT IS RUNNING GREAT BUT,THE SERVICE LIGHT IS ON AND IT HASENT GONE OUT BUT TWICE.I REALLY LOVE THIS OLD CAR BUT THE LIGHT IS WORRING ME.

bought it 2 years ago 165k 1 family car brfore i bought it. was maintained very well. i have put 20k on it with no major repaires. i get 19 mpg when careful..i love it

THE CAR IS DieD OVER NIGHT one THE CLOCK light STAYS ON WHEN I TURN OFF THE IGNITION. IT HAS THE WRONG BATTERY IN IT. THE CLOCK SET FOR THE HOUR DOES NOT WORK. IS THAT WHAT DRAINS THE BATTERY? Other than that it runs very good. One time owner I have not registered the car yet I would be the second owner to it!!! after today it may have an extra 100 miles added.

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