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August 8, 2020 Service bulletin

Safety Recall: Model 520 vehicles with Right-Hand Stand-Up (“RHSU”) configuration built between February...

Peterbilt technical service bulletin 20PBD for 2020 Peterbilt 520.

Bulletin number
20PBD
Component
Equipment
Summary
Safety Recall: Model 520 vehicles with Right-Hand Stand-Up (“RHSU”) configuration built between February 15, 2019 and December 20, 2019 may have incorrect steering assist cylinder bracket bolts installed, which prevents proper retention of these bolts.The steering assist cylinder bracket attached to the right front spring bracket with these bolts may also be damaged. The bolts installed may not have the required thread lock and this could result in loose or missing hardware. This may cause the bracket to flex or break and cause damage to adjacent components or lock up steering. Resolution is to remove and reinstall the steering gear assist bracket bolts with thread locker.

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