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.
Consequence: INFLATOR COMPONENT SEPARATION ALLOWS HOT COMBUSTION GASESTO ESCAPE INTO THE PASSENGER COMPARTMENT WHICH COULD RESULT IN INJURIES TO VEHICLE OCCUPANTS.
Remedy: REPLACE AIR BAG MODULES CONTAINING POTENTIALLY DEFECTIVE INFLATORS.
POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:FLOOR SHIFT · 90V164000
1990-09-06
TRANSAXLE SHIFT CONTROL CABLE MAY DISENGAGE FROM THE FROM THE FLOOR SHIFT CONTROL WITH LOSS OF GEAR INDICATOR REFERENCE AND SHIFT SELECTOR OPERATION.
Consequence: 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.
SEAT BELTS:FRONT:RETRACTOR · 90V028000
1990-02-12
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.
Consequence: 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.
Wiper blades
1986-1991 generation (E-platform). STS performance trim. Sedan body style, no rear wiper.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 1988–1991 Cadillac Seville STS 4.5L V8 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 20+ years.