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.
TSB23-540-001
Service Bulletin/Repair Instructions
This service bulletin is about certain vehicles equipped with 92 inch or longer roof mounted light bars that could experience fracture of the light bar mounting brackets, as well as provides instructions to replace the light bar bracket with improved bracket design.
TSB23-260-001
Service Bulletin/Repair Instructions
This service bulletin is about the power steering fluid level sensor could exhibit leaks where sensor seals against power steering reservoir and provides instructions on replacing current power steering level sensor with improved sensor design.
TSB17-110-001A
Service Bulletin/Repair Instructions
This service bulletin amends the previously reported service bulletin that provides instructions on how to replace the door hinges on affected models of emergency response chassis cabs in the event the as built hinge deforms. The amendment includes instructions on removing certain coatings and provides instruction on certain electrical components.
TSB18-530-001
Service Bulletin/Repair Instructions
This service bulletin provides replacement instructions for compartment door switches that may become inoperative.
4S7-F9U7P-06
Service Bulletin/Repair Instructions
This service bulletin provides instructions on how to replace the door hinges on affected models of emergency response chassis cabs in the event the as built hinge deforms.
4S7-H4R7D-12
Service Bulletin/Repair Instructions
This service bulletin addresses a condition in the condenser fans in the air conditioning system may become inoperative.