Recall 77V-013: 1975–1976 Mack WL, 1975–1976 Mack WS
MACK TRUCKS, INCORPORATED recall for service brakes, air, reported to NHTSA on Jan 1, 1977, covering about 830 vehicles.
The problem
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 fix
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.
Recall details
| Manufacturer | MACK TRUCKS, INCORPORATED |
|---|---|
| Component | Service Brakes, Air › Drum |
| Recall started by | the manufacturer |
| NHTSA campaign number | 77V013000 |
Vehicles in this recall
Not every vehicle of these model years is included. Enter your VIN at nhtsa.gov/recalls ↗ or ask a dealer.
Frequently asked questions
What is recall 77V-013?
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.
How is recall 77V-013 fixed?
The dealer will inspect and modify the affected brake spiders, free of charge.
Is the recall repair free?
Yes. Safety recall repairs are free at authorized dealers. Check whether your vehicle is included with its VIN at nhtsa.gov/recalls.