Recalls › 78V171000

NHTSA recall 78V171000

Steering › Linkages › Knuckle › Spindle › Arm

Mack F and 3 more

Reported Aug 8, 19782,100 vehicles affectedMACK TRUCKS, INCORPORATED

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.

Official recall at NHTSA ↗

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Vehicles in this recall

Mack F
1971197219731974
Mack MB
1971197219731974
Mack R
1971197219731974
Mack U
1971197219731974

Notes

Vehicle description: truck tractors.system: steering; steering knuckle.consequences of defect: loss of steering control could cause a vehicleaccident.