TSB26-270-001
Service Bulletin/Repair Instructions
This Service bulletin is about certain vehicles that may incorrectly experience a low coolant level alarm and fault code when the coolant is full.
Vehicle report
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.
TSB26-270-001
This Service bulletin is about certain vehicles that may incorrectly experience a low coolant level alarm and fault code when the coolant is full.
TSB26-150-001
This service bulletin is about certain vehicles that may experience leaks through the cab roof seams into the cab interior and instructions on how to repair the leak.
TSB25-110-001
This service bulletin is about certain vehicles with cab tilt crossbar tubes that may crack adjacent to the cab pivot mounts and instructions on how to remove and weld in a replacement tube.
TSB24-260-001
This service bulletin is about certain steering column boots potentially adhering to the steering column shaft causing damage to the boot and instructions on how to modify the steering column boot.
TSB24-500-001
This service bulletin is about certain vehicles equipped with a Weldon HC node that may prevent certain functions from working properly and the instructions on how to update the node operating system.
TSB23-540-001
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
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.
TSB23-250-001
This service bulletin is about potential that the Reyco front IFS cradle may experience a crack in the structure and instructions on how to weld repair the crack and weld gusset.
TSB23-880-001
This service bulletin provides instructions on how to properly install the RCM after shipped short due to a supplier shortage.
TSB23-520-001A
This service bulletin provides instructions to inspect and rewire 120V box in accordance with diagram. Revision to the previous bulletin released.
TSB23-210-004
This service bulletin is about potential for crack at the engine cutout area of the frame rail flanges and provides instructions on how to weld repair and add frame rail reinforcements.
TSB23-520-001
This service bulletin provides instructions to inspect and rewire 120V box in accordance with diagram.
Complaint counts are reports filed with NHTSA, not failure rates. A common model collects more of them than a rare one that breaks more often.