1977 MACK HMM6856S Recall
- Campaign:
- 78V028000 on 10/11/1979
- Component:
- Steering:linkages
- Manufactured:
- 12/31/1972 - 12/31/1976
- Affected:
- 100
- Defect:
- The steering pitman arm is subject to failure at the area of the transition to the arm offset due to high stress concentrations.
- Correction:
- Dealer will replace the steering pitman arm, steering gear output shaft and steering gear mounting bracket.
- Notes:
- Vehicle description: trucks.system: steering; steering pitman arm.consequences of defect: pitman arm failure could cause loss of vehicle controlwithout prior warning and a potential vehicle accident.
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