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.
TSB25-350-001
This service bulletin is about certain vehicles equipped with Hendrickson FireMaax Suspension U-Bolts that may stretch from initial factory torque application and instructions to re-torque the U-Bolts to manufacturers specifications.
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.
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.