I bought a new 1990 cadillac from cadillac dealer in 1990 that I have driven only 53,678 miles, well cared for and garaged. .the ABS master brake cylinder has been leaking for some time and I have contacted numerous cadillac dealers and brake mechanics and cannot find anyone to repair leak. I have learned that master brake cylinder (combined pump booster and ABS master cylinder was one unit mfg by ate for cadillac as per cadillac's specifications and plans and was used in 1989 and 1990 cadillacs and discontinued thereafter) additionally I have learned that cadillac made changes/repairs of some kind to ABS brake system, unanounced publically, when sevilles were brought to cadillac for other servicing. My present auto mechanic told me that part of the master cylinder is newer than the rest of the unit. Cadillac never obtained my consent to make chages to my car nor was I ever informed by cadillac or cadillac dealer of such work. The defect in the ABS master brake system is a latent defect and the obligation and warranty by gm of the servicability of their products never expires. I respectfully request that cadillac, notwithstanding the car's age of 21 years be instructed to fix the defective leaky ABS master brake system. This leak has not resulted from use and wear it is the result of a inherent latent defect in the manufacture of the car.
The worst 1990 Cadillac Seville problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Acceleration8
- Brakes4
- Electrical2
- Visibility2
- Engine1
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Acceleration8
- Brakes4
- Electrical2
- Visibility2
- Engine1
- Seat belts1
- Seats1
- Tires1
- Transmission1
- Wheels1
Recalls 2
Power train: automatic transmission: lever and linkage: floor shift
- What is wrong
- Transaxle shift control cable may disengage from the from the floor shift control with loss of gear indicator reference and shift selector operation.
- Risk
- Driver would not be able to determine actual gearposition the transaxle is in, which could result in unexpected vehicle movementand an accident without prior warning.
- Remedy
- Install a transaxle shift control cable retaining clip to prevent cable disengagement.
Recall number 90V164000 · Recall details
Seat belts: front: retractor
- What is wrong
- Misaligned rear seat safety belt shoulder retractor assemblies could cause pendulum interference, causing the belt to remain in locked position or to travel freely without locking.
- Risk
- In the event of a panic stop or accident, if the belt retractor inertia lock does not engage, the rear seat occupant would have an increased likelihood of injury.
- Remedy
- Realign rear shoulder belt retractor assembly.
Recall number 90V028000 · Recall details
1990 Cadillac Seville fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 4.5L 8‑cyl | FWD | 15 | 23 | 17 |
What 1990 Cadillac Seville owners say
Most recent owner complaints, unedited.
The drivers information screen is inoperative. Nlm
While driving, right rear firestone tire p205/70r15 dot vd080a1124 experienced tread separation, causing damage to the vehicle.
On three diffeerent occasions vehicle had suddenly accelerated while traveling at highway speed of 45-50 MPH. Cruise control was only used on one occasion. Dealer / manufacturer notified, and informed consumer that because vehicle was out of warranty nothing else could be done. Feel free to provide further details.
Intermittently while driving vehicle will accelerate. When the foot is off the gas pedal it keeps accelerating, and rpms go up. Braking system does not work. Once almost resulted in a crash. Had to turn off the vehicle in order to stop. Dealer could not duplicate the problem, but thought it might be a faulty ground stud at the starter. Owner had then repair it and there have been no problems since. *ak.et.
Accelerator arm got stuck causing the vehicle to suddenly accelerate.
Front passenger's and the rear passenger's seat belts do not operate correctly. When putting the seat belt into the buckle, the belt will come back apart, causing the passenger to be free of seat belts.
Throttle stuck open, causing an accident.
Engine light came on due to contamination of the air pump within the exhaust system.
Vehicle pulls severely to the left when anti lock brakes are applied.
Compare the 1990 Cadillac Seville
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Questions about the 1990 Cadillac Seville
Is the 1990 Cadillac Seville reliable?
Owners have filed 19 complaints about the 1990 Cadillac Seville, fewer than a typical Seville model year.
What is the most common problem with the 1990 Cadillac Seville?
Acceleration and speed control, with 8 complaints. Next is brakes (4).
How many recalls does the 1990 Cadillac Seville have?
2 recalls, covering power train and seat belts.
What gas mileage does the 1990 Cadillac Seville get?
Official estimates for the 1990 Cadillac Seville range from 17 mpg combined. The most efficient version (4.5L 8-cyl, FWD) gets 15 city and 23 highway.
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