Technical service bulletins are instructions a manufacturer sent its dealers about a known fault. They are not recalls and the work is usually not free, but they are the clearest signal of a problem the manufacturer already knows about.
WI26001
Service Bulletin/Repair Instructions
Work instructions for door latch adjustments. Includes installation and removal of shims to ensure secure closure and compression of gaskets and seals. Adjustment for depth, verticality, and side to side movement of the assembly.
WI22013
Service Bulletin/Repair Instructions
The attached work instruction can be used by Dealers when retrofitting the mid-cab windows.
TSB-092421
Service Bulletin/Repair Instructions
Charged Air Cooler (CAC) cold air intake pipe clearances on driver's side. We are providing inspection and repair instructions to our dealers.
TSB-072321
Service Bulletin/Repair Instructions
The large hex retainer nut on each wiper pivot may become loose and could cause damage or misalignment of the wiper system. TSB will show how to install threadlocker to prevent this from happening.
TSB-022521
Service Bulletin/Repair Instructions
Rosenbauer America is communicating our heat pan clearance requirements to prevent overheating.