Certain 579 MLU chassis equipped with Cummins X15 engines have fan hub bracket hardware that are incorrect...
Peterbilt technical service bulletin 45-065 for 2021-2023 Peterbilt 579.
- Bulletin number
- 45-065
- Component
- Engine and engine cooling
- Summary
- Certain 579 MLU chassis equipped with Cummins X15 engines have fan hub bracket hardware that are incorrect for the application and/or under torqued and could become loose and/or fail. Procedures are available to replace and properly torque the hardware.
Vehicles covered
- Peterbilt 579 2021-2023 202120222023
VIN decoder
See the problems and recalls for an exact car
Buying a used Peterbilt 579?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history