Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 6 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
Vehicle Speed Control. Review the 2 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Engine And Engine Cooling. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
Fuel System, Gasoline. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
0 crash reports0 fire reports0 injury reports
What owners actually said
6 reports
Mileage unknown · Nov 30, 2006
Fuel System, Gasoline
I HAVE A 1985 CADILLAC STS WITH ONLY 70,000 MILES ON IT. IT IS HOUSED IN A GARAGE AT ALL TIMES AND IN VERY GOOD CONDITION. I HAVE IT AT MY MECHANIC'S AS I WRITE THIS. I WAS INFORMED THAT THE HORRIFIC GAS SMELL I WAS EXPERIENCING IS A BIG PROBLEM. ACTUALLY, IT SUPPOSEDLY WAS A RECALL ON THE TUBING/FUEL LINES. I CALLED THE GM…
Read full complaint
I HAVE A 1985 CADILLAC STS WITH ONLY 70,000 MILES ON IT. IT IS HOUSED IN A GARAGE AT ALL TIMES AND IN VERY GOOD CONDITION. I HAVE IT AT MY MECHANIC'S AS I WRITE THIS. I WAS INFORMED THAT THE HORRIFIC GAS SMELL I WAS EXPERIENCING IS A BIG PROBLEM. ACTUALLY, IT SUPPOSEDLY WAS A RECALL ON THE TUBING/FUEL LINES. I CALLED THE GM 1-800-222-1020 PHONE NUMBER ABOUT THE RECALL. I WAS INFORMED THAT THIS WOULD NOT BE COVERED. I ALSO DID SOME RESEARCH AND FOUND OUT THAT I SHOULD HAVE RECEIVED A LETTER STATING THIS RECALL. I NEVER GOT ONE....I ALSO FOUND IN MY RESEARCH THAT THERE IS A RECALL/PROBLEM WITH THE AIRBAG GOING OFF WITHOUT PROVOCATION....I NEVER RECEIVED ANYTHING ON THAT EITHER. I AM GOING TO HAVE PAY OVER $300 TO GET THIS REPAIRED, AS WE WERE TOLD THAT THE FUEL LINE RECALL IS "NOT AN OPEN RECALL." WHAT DOES THAT MEAN? IT IS BEING FIXED FOR THE EXACT PROBLEM OF RECALL??!!! I WOULD APPRECIATE YOU CHECKING INTO THIS RECALL PROBLEM AND THE AIRBAG PROBLEM, AS I AM SURE I WILL HAVE TO DEAL WITH THAT AND PAY FOR THAT TOO! I AM QUICKLY LOSING MY LIKE FOR GM VEHICLES AND THAT IS ALL I HAVE EVER BOUGHT. DO I NEED TO GO FOREIGN? DO I HAVE TO CONTACT AN ATTORNEY REGARDING THIS MATTER, AS I OR SOMEONE ELSE COULD HAVE SERIOUSLY BEEN INJURED. YOUR PROMPT RESPONSE TO THIS MATTER WOULD BE APPRECIATED. *NM
NHTSA ODI #10174838
Mileage unknown · Dec 11, 1996
Engine And Engine Cooling
ENGINE BLOCK CORROSION. (1ST VEHICLE ON 602403)
NHTSA ODI #512531
Mileage unknown · May 3, 1996
Vehicle Speed Control
SUDDEN ACCELERATION.
NHTSA ODI #503869
Mileage unknown · Sep 6, 1995
Vehicle Speed Control
THE ENGINE ACCELERATES ALL BY ITSELF WHICH COULD CAUSE AN ACCIDENT IF ANOTHER AUTOS IN FRONT OF YOU. TT
NHTSA ODI #971609
Mileage unknown · Jun 6, 1995
Steering
POWER STEERING FAILED. *DH
NHTSA ODI #486849
Mileage unknown · May 18, 1995
Latches/locks/linkages
INTERIOR DESIGN OF DOOR LATCH PROHIBITS OCCUPANTS FROM EXITING THE VEHICLE/ONE CANNOT OPEN DOOR FROM INSIDE. TT
A SMALL NYLON BUSHING IN THE CRUISE CONTROL SERVO BAIL MAY SLIP OUT OF PLACE, CAUSING INTERMITTENT AND UNEXPECTED INCREASES IN ENGINE SPEED OR DIESELING (ENGINE RUN ON WITH IGNITION OFF).
Consequence & remedy
Consequence: SERVO ROD ASSEMBLY COULD CATCH ON ENGINE COMPONENTS ANDRESULT IN A STUCK THROTTLE WITH POTENTIAL FOR A VEHICLE CRASH.
Remedy: INSTALL A NEW BUSHING IN CRUISE CONTROL SERVO BAIL.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
NHTSA investigations
1
C89001 · Throttle NON-RETURN
Opened Mar 6, 1989 · Closed Jan 16, 1990
Status: closed (inferred from source dates) · Vehicle Speed Control:linkages
There is no summary currently available
1985 Cadillac Seville Problems, Complaints & Recalls | Skip That Year