Component
PARKING BRAKE:CONVENTIONAL:AIR
5 NHTSA complaints about parking brake:conventional:air issues across 4 makes and 5 models.
Data updated August 2026. Counts render from the NHTSA Office of Defects Investigation standardized component field; severity flags cross-reference NHTSA ODI complaint flags for owner-reported crash, fire, and injury markers. This page is for informational purposes and does not replace NHTSA recall notices or a vehicle-specific inspection. Methodology · Corrections.
NHTSA ODI component intake brief
ODI category PARKING BRAKE:CONVENTIONAL:AIR
5 filings · 5 models · 4 makes · vintage August 2026
- FILINGS SPARSE 5 ODI rows
- MODELS 5 nameplates citing this part
- MAKES 4 manufacturers in corpus
- CRASH 0.0% 0 crash-flagged
- RANK #530 of 696 categories
- SEV QUIET 0 deaths · 0 injuries
Filing-volume peers
PARKING BRAKE:CONVENTIONAL:AIR sits SPARSE on ODI intake volume (#530 of 696 standardized categories) with a QUIET severity stamp (0 reported fatalities across 5 models). Open Volvo VNL (category leader) →
PARKING BRAKE:CONVENTIONAL:AIR severity reading
The standout signal for parking brake:conventional:air is severity: 0 reported fatalities and 0 injuries (QUIET stamp) on 5 filings (SPARSE volume).
Sparse categories can swing on a single high-volume nameplate; treat the leader row as the actionable signal, not the category headline alone.
Next step: compare Volvo VNL against AIR BAGS: ALLEGED COUNTERFEIT AIR BAG on filing totals before treating parking brake:conventional:air volume as a purchase signal.
Most Affected Vehicles
| # | Vehicle | Complaints |
|---|---|---|
| 1 | Volvo VNL | |
| 2 | Pontiac Aztek | |
| 3 | Ford F-Series | |
| 4 | Ford Explorer | |
| 5 | Chevrolet Astro |
Recent Complaints
2007 VOLVO 780, BOUGHT IN 7-31-2006, WHEN DRIVING FROM TEXAS TO CALIFORNIA WE HAD PROBLEMS WITH TRANSMISSION GOING INTO GEAR. FROM THAT TIME ON THE PROBLEMS HAVE GOTTEN WORSE AND TO THE POINT OF BEING
OUR AIR CONDITIONER QUIT WORKING, WE THOUGHT IT JUST NEEDED TO BE RE-CHARGED, I HAD IT RE-CHARGED TWO WEEKS IN A ROLL, THEN IT QUIT WORKING AGAIN, I LOOKED ON THE INTERNET AND SAW MANY COMPLAINS ABOUT
BRAKE HAS BEEN REPLACED THREE OR MORE TIMES FOR A KNOCKING AND GRINDING NOISE. PLEASE FURNISH ADDITIONAL INFORMATION. DEALER IS AWARE OF THE PROBLEM. PH
PERIODICALLY THAT WHEN THE BRAKE PARKING VALVE IS PRESSED PEDAL WILL GO ALL THE WAY DOWN TO FLOOR.*AK
THE EMERGENCY BRAKE HAS TO BE USED AT ALL TIMES BECAUSE WHEN USING THE PARKING BRAKE THE VEHICLE ROLLS BACK. *AK
Related Vehicle Components
Verify with NHTSA · consumer-reported counts are not verified defect findings.