- Vehicles
- 4,640
- Built between
- Nov 1978 – Jun 1979
- Models
- 6
- Recall type
- Vehicle
- Initiated by
- Manufacturer
- Owners notified
- 11 January 1980
- Repaired
- Not reported
- Unrepaired
- Not reported
Does this affect my vehicle?
This recall covers vehicles built between November 1978 and June 1979. If yours was built outside that window, it is not part of this recall.
- 1979 Mack RLBuilt November 1978 to June 1979
- 1979 Mack RSBuilt November 1978 to June 1979
- 1979 Mack RWLBuilt November 1978 to June 1979
- 1979 Mack RWSBuilt November 1978 to June 1979
- 1979 Mack WLBuilt November 1978 to June 1979
- 1979 Mack WSBuilt November 1978 to June 1979
What the defect is
The flange head pinch bolts used in the yokes of the steering shaft assemblies may have been overstressed due to the bolts not being tightened to specifications. As a result, the pinch bolts could break while in service.
What gets fixed
FLANGE HEAD PINCH BOLTS WILL BE REPLACED WITH STANDARD GRADE 8 FASTENERS WITHOUT CHARGE TO OWNER.
Timeline
- Vehicles builtNovember 1978 to June 1979
- Recall reported to NHTSA9 July 1979
- Owners notified11 January 1980
Your rights
A safety recall repair is free. Under US federal law the manufacturer must fix a safety defect at no cost to you — no charge for parts, labor or diagnosis — whether or not you are the original owner. A dealer cannot charge you for recall work, and cannot require you to have bought the vehicle from them.
That entitlement is not unlimited. It applies where the vehicle was first sold less than 15 years before the recall was announced — 5 years for tires. Past that a manufacturer may still do the repair free of charge, and many do, but they are no longer obliged to. This recall was reported on 9 July 1979.
To arrange the repair, contact any franchised dealer for the brand. If a dealer refuses the work or tries to charge for it, you can report that to NHTSA at nhtsa.gov/recalls or on 1-888-327-4236.
Official source
- Recalling manufacturer
- MACK TRUCKS, INCORPORATED
- Recall initiated by
- MFR
Everything on this page — the models listed, the build dates and the repair figures — comes from the manufacturer's filing to NHTSA and describes the vehicle line as a whole, not any individual car. Only the manufacturer can confirm whether a specific vehicle is affected, and whether its recall work has already been carried out. Check yours by VIN and read the official notice at nhtsa.gov/recalls.
Additional notes
Vehicle description: trucks.system: steering; flange head pinch bolts.consequences of defect: if breakage occurs, loss of steering control and avehicle accident could occur.
Check your own vehicle
This page describes the recall, not any one car. To see which recalls cover a specific vehicle, search by make, model and year.
A VIN lookup here identifies your vehicle and shows recalls issued for that make, model and year. It cannot tell you what is still open on your individual car - only the manufacturer knows that. Search by VIN instead, or check your VIN at nhtsa.gov for whether a recall is still open on your individual car.