Repair soon Trailer hitches
If the fifth wheel and locking mechanism are sufficiently damaged, the locking mechanism may fail to operate as intended and the trailer may unexpectedly detach from the tractor, increasing the risk of a crash.
The affected trucks are equipped with Fontaine Ultra LT Fifth Wheel connectors, which, due to cumulative damage to the fifth wheel and its locking mechanism, have a locking mechanism that may fail to operate or to properly engage.
What to do: Book this in with a dealer now. It affects a safety system.
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Repair soon Service brakes
If the brake handle does return to the off position, the trailer service brakes may drag causing the wheel end to overheat and potentially cause a wheel end fire or tire blowout.
In the affected trucks, the trailer hand brake handle may not to return to the off position due to being restricted by the cut out in the trim panel.
What to do: Book this in with a dealer now. It affects a safety system.
Fire risk Engine and engine cooling
If engine oil comes into contact with a hot surface, there could be an increased risk of a fire.
Excessive engine crankcase pressures may cause the 90-degree elbow of the vent tube assembly to detach from the crankcase ventilation breather, possibly allowing engine oil to come into contact with hot surfaces.
What to do: Park away from buildings and book the repair now.
Repair when you can Visibility/wiper
Inoperable wipers may result in poor driver visibility, increasing the risk of a crash.
Volvo Trucks North America (Volvo) is recalling certain model year 2011-2012 VAH, VHD, VNL, and VNM trucks manufactured February 1, 2010, through September 30, 2010 and June 1, 2011, through November 30, 2011. The windshield wiper motor may fail.
What to do: Book it in at your next service. There is no deadline and no charge.
Repair when you can Power train
Without a signal to disengage the clutch when the brakes are applied, the distance required to stop the truck may lengthen, increasing the risk of a crash.
The affected vehicles were built without a redundant clutch disengagement switch. Without a redundant switch, a loss of signal from the brake air pressure switch can prevent the clutch from automatically disengaging when the brake is applied.
What to do: Book it in at your next service. There is no deadline and no charge.
Repair when you can Electrical system
Loose or chafed cables may lead to overheating of the battery cable and switch which may result in a fire.
The remote battery disconnect switch was manufactured with incorrect hardware allowing the cables to loosen. Additionally, as mounted, the cables may vibrate and chafe.
What to do: Book it in at your next service. There is no deadline and no charge.
Repair soon Service brakes
Inadvertent brake application can cause the brakes to overheat and lead to a fire.
In extremely cold conditions, these bendix relay valves may potentially develop internal leakage. Internal leakage can lead to air pressure being delivered to affected primary or secondary brake causing continuous brake application.
What to do: Book this in with a dealer now. It affects a safety system.
Repair soon Trailer hitches
If the driver drives away with a trailer that is not properly coupled, the trailer can come loose and potentially result in a vehicle crash.
During the coupling process, it is possible for the driver to partially close the fifth wheel lock and if solely relying on a tug test (pull test), the driver may think that the fifth wheel lock is properly coupled to the trailer king pin when in fact it is not properly coupled.
What to do: Book this in with a dealer now. It affects a safety system.
Repair when you can Power train
This can result in seam weld fracture when torque is applied.
The tubing used to assemble the drivelines has a nonconforming seam weld with insufficient bonding of the material.
What to do: Book it in at your next service. There is no deadline and no charge.
Repair soon Service brakes
Slack adjusters with this flow notch could crack under normal braking conditions causing loss of braking which could result in a vehicle crash.
Due to an incomplete "knitting" of the iron at the time of casting, inadequate structural integrity of the slack adjuster housing can occur, which could cause the housing to break at the handle under normal operating loads.
What to do: Book this in with a dealer now. It affects a safety system.