This 1990 Cadillac DeVille factory service and repair manual is built around the exact year, engine and trim combination of your car, including the 4.5L V8 (VIN 3), so the specs and procedures you follow are the ones Cadillac published for this DeVille rather than a generic stand-in.
Engines covered
- 4.5L V8 (273 cu in) — OHV, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
- 2-door coupe
Trims covered
- Base
Known issues on the 1990 DeVille. Two recalls are on federal record for this model year. The first covers certain aftermarket FRAM replacement fuel filters sold for use on these vehicles, whose connectors were not made to spec, so the O-ring may not seat correctly on the fuel line, allowing an inadequate seal that can lead to a fuel leak and, near an ignition source, a fire. The second covers the frontal air bag inflator: threaded inflator components damaged during assembly can separate when the inflator is signaled to deploy, letting hot combustion gases escape into the passenger compartment and injure occupants. Owners have filed 94 complaints for the year, and no technical service bulletins are logged for it. The factory diagnostic and repair procedures behind both systems are here.
Whether you're inspecting the fuel line and filter connections or checking the air bag system, it keeps you on the OEM procedure and the correct specification for your specific 1990 DeVille.
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.
INFLATOR COMPONENT SEPARATION ALLOWS HOT COMBUSTION GASESTO ESCAPE INTO THE PASSENGER COMPARTMENT WH
REPLACE AIR BAG MODULES CONTAINING POTENTIALLY DEFECTIVE INFLATORS.
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
THE CONSUMER SET THE CRUISE CONTROL AT 48 MPH. THE CONSUMER CAME UPON A VEHICLE THAT WAS MAKING A TURN THEREFORE SHE HAD TO SLOW DOWN. SHE STATED SHE PUT HER FOOT ON THE BRAKES TO SLOW THE VEHICLE D
PARKING BRAKE WOULD NOT RELEASE. TOOK OUT OWNERS MANUAL, AND IT STATED THAT BRAKE MAY FREEZE UP AT TIMES. CONSUMER PUT CAR IN PARK AND GOT OUT TO REACH LEVER, WHEN CONSUMER PULLED LEVER, VEHICL
PARKING BRAKE WOULD NOT RELEASE. TOOK OUT OWNERS MANUAL, AND IT STATED THAT BRAKE MAY FREEZE UP AT TIMES. CONSUMER PUT CAR IN PARK AND GOT OUT TO REACH LEVER, WHEN CONSUMER PULLED LEVER, VEHICL
PARKING BRAKE WOULD NOT RELEASE. TOOK OUT OWNERS MANUAL, AND IT STATED THAT BRAKE MAY FREEZE UP AT TIMES. CONSUMER PUT CAR IN PARK AND GOT OUT TO REACH LEVER, WHEN CONSUMER PULLED LEVER, VEHICL
INVOLVED IN AN ACCIDENT AND THE SEAT BELT DID NOT HOLD THE DRIVER AND SHE WAS THROWN ALL OVER THE CAR. TT AN OFFICER STATED THAT THE FORCE AND ANGLE OF IMPACT WERE NOT ENOUGH TO ENGAGE SEAT BELT, CO
Showing the 5 most serious of 111 complaints filed with NHTSA.
