NHTSA safety recall
Recall 78V171000: STEERING:LINKAGES:KNUCKLE:SPINDLE:ARM
MACK TRUCKS, INCORPORATED · Reported to NHTSA Aug 8, 1978
Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.
Check a VIN on NHTSA.govWhat this recall covers
NHTSA's campaign record, quoted as published
The defect
DEFICIENCIES, IN THE FORM OF FORGING LAPS, CRACKS AND EXCESSIVE DECARBURIZATION DURING HEAT TREATMENT, EXIST IN THE STEERING KNUCKLES. STRESSES IMPOSED WITH INTEGRAL HYDRAULIC POWER STEERING MAY LEAD TO A FAILURE IN THE AREA OF THE STEERING ARM ATTACHING BOSS. THIS TYPE OF FAILURE WOULD CAUSE LOSS OF STEERING CONTROL.
The remedy
DEALER WILL INSPECT AND, IF NECESSARY, REPLACE THE LEFT STEERING KNUCKLE WITH AN IMPROVED TYPE OF KNUCKLE.
Notes
VEHICLE DESCRIPTION: TRUCK TRACTORS.SYSTEM: STEERING; STEERING KNUCKLE.CONSEQUENCES OF DEFECT: LOSS OF STEERING CONTROL COULD CAUSE A VEHICLEACCIDENT.
A safety recall is issued when a manufacturer or NHTSA determines that a vehicle has a safety-related defect or does not comply with a federal motor vehicle safety standard. Recall repairs are free. Whether a specific vehicle is covered depends on its VIN — a recall listed for a model year does not necessarily apply to every vehicle of that year.
Campaign details
Identifiers and dates as filed with NHTSA
- Manufacturer
- MACK TRUCKS, INCORPORATED
- Manufacturer's campaign number
- Not recorded
- NHTSA campaign number
- 78V171000
- Units potentially affected
- 2,100
- Report received
- Aug 8, 1978
- Production range
- Not recorded
- Campaign type
- Vehicle
- Federal safety standard (FMVSS)
- Not recorded
Vehicles covered
16 model years across 4 models
Recalls apply to specific vehicles, not to every vehicle of a model year. Check your VIN with NHTSA or your manufacturer's dealer to confirm whether a recall affects your vehicle.