CRACKS MAY BE PRESENT IN THE BRAKE SPIDER. THESE CRACKS COULD EVENTUALLY CAUSE THE BRAKE SPIDER TO FAIL
— Recall Campaign #77V013000
CRACKS MAY BE PRESENT IN THE BRAKE SPIDER. THESE CRACKS COULD EVENTUALLY CAUSE THE BRAKE SPIDER TO FAIL. THIS COULD ALLOW SEPARATION OF THAT PORTION OF THE BRAKE SPIDER THAT RETAINS THE BRAKE CAMSHAFT, THE BRAKE CHAMBER, AND THE BRAKE CHAMBER BRACKET FROM THE FOUNDATION BRAKE ASSEMBLY. BRAKE PULL IN THE DIRECTION OPPOSITE THE AFFECTED WHEEL LOCATION OR WHEEL LOCK-UP ON THE AFFECTED WHEEL COULD OCCUR.
The recall was influenced by the manufacturer with about 830 units affected.
NHTSA Safety Recall Notice
77V013000
| Manufacturer: | Mack Trucks, Inc. |
|---|---|
| Recall date: | January 01, 1977 |
| NHTSA Campaign #: | 77V013000 |
| Units affected: | 830 |
- Description:
- CRACKS MAY BE PRESENT IN THE BRAKE SPIDER. THESE CRACKS COULD EVENTUALLY CAUSE THE BRAKE SPIDER TO FAIL. THIS COULD ALLOW SEPARATION OF THAT PORTION OF THE BRAKE SPIDER THAT RETAINS THE BRAKE CAMSHAFT, THE BRAKE CHAMBER, AND THE BRAKE CHAMBER BRACKET FROM THE FOUNDATION BRAKE ASSEMBLY. BRAKE PULL IN THE DIRECTION OPPOSITE THE AFFECTED WHEEL LOCATION OR WHEEL LOCK-UP ON THE AFFECTED WHEEL COULD OCCUR.
- Consequeces:
- Corrective action:
- THE DEALER WILL INSPECT AND MODIFY THE AFFECTED BRAKE SPIDERS, FREE OF CHARGE.
- Notes:
- VEHICLE DESCRIPTION: TRUCKS.SYSTEM: SERVICE BRAKES; FRONT AXLE CAM, BRAKE SPIDER.CONSEQUENCES OF DEFECT: BRAKE DEGRADATION AND WHEEL LOCK-UP COULD CAUSE LOSS OFVEHICLE CONTROL AND AN ACCIDENT.