Owner reports · Recalls · Investigations
There is not enough comparable history to draw a useful model-year comparison.
About this comparison →Owner complaints by model year
Compare all Estate years →Counts vary with age, sales and reporting. They are not failure rates.
No component reports in this snapshot.
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Mileage at the reported incident
Limited mileage data: 0 of 0 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.
NHTSA owner reports · September 18, 2026 snapshot.
No matching complaints in this snapshot.
Jun 16, 1989
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: 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 ↗
Opened Jan 28, 1988 · Closed Oct 31, 1990
Status: closed (inferred from source dates) · Steering
There is no summary currently available
Opened Jul 9, 1987 · Closed Jan 28, 1988
Status: closed (inferred from source dates) · Steering
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 THESE VEHICLES.THESE PROBLEMSINCLUDE: POWER STEERING FLUID LOSS, POWER BRAKE FLUID LOSS, LEAKAGE FROMTHE HYDRO-BOOST II POWER BRAKE BOOSTER, BROKEN BOOSTER SEALS, AND MASTERCYLINDER FAILURE.ALL PROBLEMS SEEM TO BE RELATED TO THE HYDRO-BOOST IIPOWER ASSIST SYSTEM, IN WHICH THE WORKING FLUID PROVIDES POWER ASSIST TO BOKE BOOSTER.THE EFFECT OF THESE PROBLEMS COULD BE A LOSS OF STEERINGCONTROL AND/OR BRAKE EFFECTIVENESS.STATUS:THE VOLUMINOUS AMOUNT OF DATA SUPPLIED BY GM IS PRESENTLY BEING CODED BY A CONTRACTOR AND SHOULD BE COMPLETED BY 12/30/87. GM DATA INDICATED A 50% WEIBULL DISTRIBUTION FAILURE AT 50K MILES FOR THE PISTON PUSH-ROD SEAL. THIS PE LOOKS TO HAVE AN EXTRODINARILY HIGH FREQUENCY, ALTHOUGH THE SEVERITY APEARS TO BE LOW.SHOULD BE INTERESTING DISCUSSING THIS FOR UPGRADE/CLOSURE.===
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