Mack U Series 1980

• Recall 31463 [USA]: Vehicle description: trucks equipped with sgp5/ross steering gear.system: steering; steering shaft slip joint.consequences of
  Certain vehicles may be subject to steering shaft separation due to loose set screws in the dash sheet bearing which may allow the shaft to move.
  dealer will inspect and modify the steering shaft by providing a greater slip length in the steering drive shaft to eliminate slip joint separation.
  vehicle description: trucks equipped with sgp5/ross steering gear.System: steering; steering shaft slip joint.Consequences of defect: steering shaft disengagement during vehicle operationmay cause loss of steering control and a vehicle accident.

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• Recall 1982023 [Canada]: Under certain conditions the minimum steering shaft slip spline engagement can be aggravated and steering shaft separation cou
  Under certain conditions the minimum steering shaft slip spline engagement can be aggravated and steering shaft separation could occur. This may lead to loss of steering control without prior warning to the opertor, with a potential for vehicle crash.

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• Recall 1981076 [Canada]: The brake control knob could fall off due to the location of the hole for the retaining pin being off the centerline of the ho
  The brake control knob could fall off due to the location of the hole for the retaining pin being off the centerline of the hole for the valve plunger. When the retaining pin is installed, the misalignment creates excessive stress around the hole for the pin and the plastic fails. The loss of knob could impair operation of the hand control brake valve.

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• Recall 1980076 [Canada]: Vehicles may be equipped with a dana corporation lower steering shaft in which the pinch bolt clamp may deform resulting in a
  Vehicles may be equipped with a dana corporation lower steering shaft in which the pinch bolt clamp may deform resulting in a loss of clamping force and dislocation of the pinch bolt from the

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• Recall 1980078 [Canada]: Vehicles may be qeuipped with tractor park valve control knobs manufactured by polyflex controls that may break at the knob re
  Vehicles may be qeuipped with tractor park valve control knobs manufactured by polyflex controls that may break at the knob retaining pin hole location. This condition would render the tractor park valve inoperative and under certain conditions could allow an unattended chassis to rollaway.

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To ensure accuracy and for your safety, it is recommended to do a free VIN recall check here or here [USA] - UK - Canada.

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.