RUBBER PLUG ON SIDE OF PROPORTIONAL VALVE FAILED, CAUSING PARTIAL LOSS OF BRAKES.
1985 Chevrolet Blazer
Owner reports · Recalls · Investigations
Similar to other model years
Owner complaints for the 1985 Chevrolet Blazer do not stand out strongly from the model-year median of 32.
About this comparison →How this year compares
Owner complaints by model year
Compare all Blazer years →Counts vary with age, sales and reporting. They are not failure rates.
What owners reported most
All reported categories
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 29 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.
- Engine And Engine Cooling. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Steering. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
- Power Train. Review the 4 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
Service Brakes, Hydraulic complaints
4 reportsMASTER CYLINDER/VACUUM BOOSTER REPLACED TWICE. *AK
BRAKES INTERMITTENTLY RESIST. WHEN THIS HAPPENS DRIVER HAS TO STAND ON THE BRAKES. THE DEALER HAS BEEN NOTIFIED. *AK
POOR PERFORMANCE OF THE ABS SYSTEM, DEALER SAID THERE IS NOTHING WRONG WITH VEHICLE, BUT DRIVER HAS EXPERIENCED INTERMINNENT LOSS OF BRAKES. *AK
Official recalls
0No recalls in this snapshot.
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
2EA89003 · Rear Axle Shaft
Opened Nov 7, 1988 · Closed Aug 24, 1990
Status: closed (inferred from source dates) · Suspension
There is no summary currently available
PE88047 · Rear Axle Failure
Opened Apr 19, 1988 · Closed Nov 7, 1988
Status: closed (inferred from source dates) · Suspension
There is no summary currently available
Illustration