1990 Cadillac Fleetwood Repair and Maintenance

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

1990 Cadillac Fleetwood Problems

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

Problems with 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 key and ignition lock cylinder should be replaced to correct this condition.

Replace Fuel Filter Every 30,000 to Prevent Fuel Pump Failure

The fuel pump may fail causing the engine to stall and not restart. Our technicians recommend replacing the fuel filter every 30,000 miles to help prevent undue strain on the fuel pump.

Performance Issues Due to Faulty ECM Grounds at Front of Engine

The engine control module (ECM) electrical grounds on the front of the engine block may have high resistance causing a rough running engine or stalling condition.

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1990 Cadillac Fleetwood Questions

Drivers side window doesn't roll up. (1 answer)

When I rolled the window down all the way it wouldn't roll back up. But when I press the up button nothing happens. When I press the down button I can hear the motor and the door bulges a little bit. Before this happened I would roll down the window almost all the way down and it would stop ...

AC keeps blowing after car is shut off. (1 answer)

I would like to know what I need to do in order to fix this problem as its getting warmer and it keeps draining my battery. I'm not a car guy but if told what to do I can figure it out. Any help would be greatly appreciated.

Also, what parts should I need and is this a job I can do or is ...

I have a 90 Fleetwood brougham digital dash speed stays at 0 put new one in same (1 answer)

thing what else could me the problem?

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