THE BRAKE PROPORTIONER VALVES MAY BREAK AND SEPARATE FROM THE MASTER CYLINDER. THIS WOULD ALLOW BRAKE FLUID TO LEAK AND WOULD RESULT IN A PARTIAL LOSS OF THE BRAKE SYSTEM.
THE DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ALL SUSPECT VALVES.
The 1983 Buick Century has 1 NHTSA recall campaign affecting an estimated 352,036 vehicles. Recall repairs are always free at any authorized dealer. Owners have filed 10 complaints with NHTSA, most often about the electrical system. Last updated July 5, 2026.
THE BRAKE PROPORTIONER VALVES MAY BREAK AND SEPARATE FROM THE MASTER CYLINDER. THIS WOULD ALLOW BRAKE FLUID TO LEAK AND WOULD RESULT IN A PARTIAL LOSS OF THE BRAKE SYSTEM.
THE DEALER WILL INSPECT AND, IF NECESSARY, REPLACE ALL SUSPECT VALVES.
Verbatim reports filed with NHTSA, lightly edited for readability and with personal information removed.
“Plugs separated on three occasions. *yc”
“Brakes grab / gas pedal sticks. *yc”
“Brakes grab / gas pedal sticks. *yc”
“Steering wheel was experiencing failure which was replaced. However after repairs were done the steering is noisy and hard to turn. *yc”
“Defroster overheats, causing failure. *yc”
“Signal's stick, causing failure. *yc”
“Gear shift slips when driving on bumpy surfaces. *yc”
“Electric door locks failed. *yc”
There is no summary currently available
There is no summary currently available
POWER STEERING FAILURE
SUMMARY OF INFORMATION FROM MANUFACTURER: IN ANALYZING THIS MATTER GMIDENTIFIED THREE PRIMARY SOURCES FOR THE COMPLAINTS.THE FIRST INVOLVESA GRADUAL DETERIORATION IN PERFORMANCE OF BELT DRIVEN VACUUM PUMPS.AC-CORDING TO GM, VEHICLES EQUIPPED WITH VACUUM PUMPS ARE ALSO EQUIPPED WITHA LOW VACUUM WARNING LIGHT, WHICH IS…
SUMMARY OF INFORMATION FROM THE MANUFACTURER:GM HAS DEVELOPED A SPLITRING FIELD REPAIR KIT AND IS EXTENDING THE WARRANRY ON ALL 1982-84 A,J, AND X, BODY CARS AND 1985 C,BODY CARS.THE WARRANTY APPLIES TO CARSTHAT ARE FOR 50,000 MILES OR 5 YRS.IT INCLUDES REIMBURSEMENT FOR PREVIOUSREPAIRS.ANALYSIS:WEARING OF THE RACK…
There is no summary currently available
Recall, complaint, and investigation records from official NHTSA datasets (FLAT_RCL, FLAT_CMPL, FLAT_INV), synced weekly. Counts reflect NHTSA records for the 1983 Buick Century as of July 5, 2026. Complaint narratives are consumer-submitted and unverified. This page contains ads and affiliate links. Full methodology.