Mack Mh 1983

• Recall 26342 [USA]: During an impact, driver and/or rider can move forwardand possibly strike the windshield, even when wearing a seat belt.
  Seat tether belts may not have been adjusted during assembly.
  adjust seat tether belt if necessary.
  system: seat tether belt.Vehicle description: heavy duty trucks with air suspension seats.

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• Recall 29259 [USA]: System: cab step. vehicle description: heavy duty trucks with sleeper cab.
  Left or right cab step may crack in its welded area due to flexing of the step during entering and exiting. Consequence of defect: as the cracks extend, the tubular step could partially collapse and break without warning to the user, and could result in personal injuries.
  install a reinforcement brace if no cracks are found. In addition, replace step if cracks are present.
  system: cab step. Vehicle description: heavy duty trucks with sleeper cab.

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• Recall 1988131 [Canada]: Seats and restraints
  The seat tether belts on models equipped with air ride seats may not have been adjusted during assembly. During an impact condition, the driver and/ or rider could move forward and possibly strike the windshield, even when wearing a seat belt. There would be no prior warning. Correction: vehicles will be inspected and tether belt will be adjusted if necessary.

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• Recall 1987015 [Canada]: Suspension
  Note: 1971 to 1987 trucks with neway air ride drive axle suspension. The channel type crossmember installed with the suspension can be overstressed and can fail. The broken crossmember can protrude above the top of the frame and interfere with the trailer chassis components. This could adversely affect handling when turning. Also, a completely separated crossmember with attached height control valves could affect the height of the suspension air springs. The resulting lean could cause loss of control.

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• Recall 1986010 [Canada]: Structure
  The cab steps could develop cracks in the welded area which could extend into the tubular step and cause the tubular step to collapse and eventually break without warning to the user, with possible injuries being received. Trucks equipped with sleeper cabs.

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• Recall 1985052 [Canada]: It is possible that the flip-out step on the bumper may fail suddenly under the weight of a person standing on the step while
  It is possible that the flip-out step on the bumper may fail suddenly under the weight of a person standing on the step while sevicing the front area of the vehicle. This break will cause the person standing on the step to fall without warning possibly resulting in personal injury.

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• Recall 1985102 [Canada]: When the tractor brakes are applied, the trailer brakes may not react simultaneously with the tractor. this condition is due t
  When the tractor brakes are applied, the trailer brakes may not react simultaneously with the tractor. This condition is due to to a valve not releasing proper air volume to the brake.

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• Recall 1984046 [Canada]: It is possible that improper steering shaft clamp bolts were installed and torqued to the wrong specifications. because of the
  It is possible that improper steering shaft clamp bolts were installed and torqued to the wrong specifications. Because of the overloaded clamping force applied to the bolt, the bolt could fail allowing the steering yoke to become loose. This could result in complete loss of steering without prior warning and a possible vehicle crash.

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• Recall 1984052 [Canada]: A carbon steel check valve spring was mistakenly installed in the dual compartment air reservoir. usage of carbon stell spring
  A carbon steel check valve spring was mistakenly installed in the dual compartment air reservoir. Usage of carbon stell springs in this application can result in severe corrosion and subsequent failure. If a leak develops in the primary air system, air would not be checked or isolated from the failed system and air would flow from the secondary system and exhaust at the point of leakage resulting in loss of service brakes and application of the emergency spring brakes. If the driver ignores the low air pressure warning light and buzzer and fails to pull off the road, the possibility exi

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• Recall 1984146 [Canada]: The spring center bolt head does not penetrate through the caster wedge and into the recessed hole in the axle pad, therefore,
  The spring center bolt head does not penetrate through the caster wedge and into the recessed hole in the axle pad, therefore, not locating and aligning the spring to the front axle. If the front axle clips loosen, the lack of center bolt penetration through the caster plate may result in axle misalignment, axle shifting and loss of steering control.

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• Recall 1983081 [Canada]: An ineffective weld at the splined centre of the steering wheel hub to the hub perimeter could under severe strain and deflect
  An ineffective weld at the splined centre of the steering wheel hub to the hub perimeter could under severe strain and deflection, fail and result in steering wheel separation. Steering wheel disengagement may lead to loss of steering control without prior warning with a potential for vehicle crash.

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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.