1984 Cadillac Deville Recalls
No NHTSA recalls on record for the 1984 Cadillac Deville. That means NHTSA has no open safety campaign for this vehicle — it does not guarantee the absence of problems. Owners have filed 6 complaints with NHTSA, most often about the engine and engine cooling. Last updated July 5, 2026.
Complaints by component
What owners report
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“Recall 93e019000 regarding fuel system other parts: while pulling into a parking lot vehicle stalled. Consumer noticed fuel was leaking onto the engine. A mechanic informed the consumer that this vehicle was under a recall. Consumer contacted a local cadillac dealer, who informed the consumer that…”
“Anti-freeze found in crankcase, causing coolant light to come on.”
“Sudden acceleration, causing accident.”
“Purchased vehicle used water on the engine need to replace engine. Tt”
“The engine is making terrible noise and will not start and is not driveable because of the noise. Please explain. Tt”
“Vehicle experienced sudden acceleration resulting in vehicle accident with injuries.”
Defect investigations
HYDRO BOOST
There is no summary currently available
HYDROBOOST FAILURE
SUBJECT VEHICLES:CAPRICE, CAPRICE CLASSIC, CUSTOM CRUISER, DEVILLE,ELECTRA, ESTATE WAGON, FLEETWOOD, LESABRE, NINETY-EIGHT, PARISIENNE,PARK AVENUE.(ALL 1984-86 GM VEHICLES EQUIPPED WITH HYDROBOOST II SYSTEMS)ANALYSIS:CONSUMER COMPLAINTS ALLEGE SEVERAL PROBLEMS INVOLVING THE POWERSTEERING AND POWER BRAKE SYSTEMS OF…
TRUNK FIRES
ACCORDING TO REPORTS, THE REAR EXHAUST SYSTEM RESONATORS HAVE A VERY SHORTSERVICE LIFE, USUALLY RUPTURING ON THE END, VERY NEAR THE FLOOR OF THETRUNK.HOT EXHAUST GASES FROM THE BLOWN RESONATOR REPORTEDLY GET THEFLOOR OF THE TRUNK SO HOT THAT FIRES HAVE RESULTED.PROPOSED ACTION:OPEN A PRELIMINARY ANALYSIS===
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1984 Cadillac Deville as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.