| Components - Details | |
|---|---|
| NHTSA Action Number: PE88075 | Vehicale/Equipment Name: PIERCE |
| Vehicale/Equipment Model: PIERCE | Vehicale/Equipment Year: 1985 |
| Component Name: SERVICE BRAKES, HYDRAULIC | Manufacturer's Name: Pierce Manufacturing |
| Date Opened: Jun, 30 1988 | Date Closed: Oct, 26 1988 |
| Subject: VARIOUS BRAKE PROBLEMS | Summary: Summary: recent rockwell defect report identified the following additional concerns:a: insufficient air pressure due to inadequate air compressor capacity;b: air horn plumbed into air system without pressure protection valve;c: brake imbalance caused by brake proportioning valves which reduce the front brake pressures. the above identified problems may result in heat checking and cracking of the rear brake drums. |
