2020 Forest River Dynamax TSBs
7 Technical Service Bulletins across 5 categories
Engine
2 bulletinsFCA US has decided that certain vehicles fail to conform to Federal Motor Vehicle Safety Standard (FMVSS) No.
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106 - Brake hoses. Constriction requirement states, "Except for that part of an end fitting which does not contain hose, every inside diameter of any section of a hydraulic brake hose assembly shall be not less than 64 percent of the nominal inside diameter of the brake hose." Brake hoses that have an out of specification orifice diameter have an inside diameter that is less than the 64 percent requirement.
Per FCAs Recall 21V439, the engine calibration software may not warn of low oil volume.
Brakes
2 bulletinsThe retaining washer and bolt that connect the brake pedal to the bearing block may come loose and detach.
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This could cause the brake lights to stay illuminated, even when the brake pedal is not pressed.
The add on component separates the tail light signal from an actual brake signal so the customers no longer need to mess...
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with their brake controller when towing as the Freightliner M2 Chassis applies brake signal to the four-way flashers, which in turn will activate the brakes of a towed item, such as a trailer. In some states, it is required to activate the vehicle four-way flashers on certain Grades.
Other
1 bulletinThis document is an aid to dealers in the repair of a floor truss support.
Tires & Wheels
1 bulletinThe flanged wheel lug nuts on your vehicle may have been over-torqued during service to an incorrect torque...
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specification in the Service & Owner's manuals. A yielded wheel stud may eventually break, which could lead to a wheel separating from the vehicle during operation. A wheel separating from the vehicle could cause a vehicle crash without prior warning and/or the wheel/tire could pose a risk to other vehicles or pedestrians.
Transmission
1 bulletinThe transmission control module software in your vehicle may cause the transmission to slip or will not go into gear at all.
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In addition, the Malfunction Indicator Lamp (MIL) may illuminate on the cluster.