| NHTSA Campaign Number: |
89V178000 |
| Vehicle/Equipment Make: |
MACK |
| Vehicle/Equipment Model: |
CH |
| Model Year: |
1989 |
| Manufacturer Campaign Number: |
|
| Manufacturer Component Description: |
SERVICE BRAKES, AIR:CONTROLS:FOOT CONTROL |
| Manufacturers Involved in Recall: |
MACK TRUCKS, INCORPORATED |
| Manufacturered: |
19881101 - 19891001 |
| Type of Report: |
V (Vehicle, Equipment or Tire) |
| Potential Number of Units Affected: |
3652 |
| Date Owner Notified By Manufacturer: |
19891110 |
| Recall Initiated By: |
19891110 |
| Manufacturer Responsible For Recall: |
MACK TRUCKS, INC |
| Report Received Date: |
19891023 |
| Record Creation Date: |
19891031 |
| Regulation Part Number: |
|
| Federal Motor Vehicle Safety Standard Number: |
|
| Defect Summary: |
INTERNAL COMPONENTS OF THE E-12 DUAL CIRCUIT AIR BRAKE VALVES MAY BE MISASSEMBLED SO THAT ONE OF THE TAPERED SNAP RINGS IS UPSIDE DOWN. |
| Consequence Summary: |
THE SNAP RING CAN COME OUT CAUSING THE VALVE TOMALFUNCTION AND APPLY THE TRUCK'S BRAKE SYSTEM WITHOUT WARNING; THIS COULDRESULT IN LOSS OF CONTROL AND A CRASH. |
| Corrective Summary: |
REPLACE MISASSEMBLED VALVES. |