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November 4, 2016 Service bulletin

Non-safety campaign: watson & chalin lift axle frame brackets with slotted lower mounting holes may...

Peterbilt technical service bulletin 716-1 for 2014-2017 Peterbilt 579 and 2014-2017 Peterbilt 567.

Bulletin number
716-1
Component
Power train: axle assembly
Summary
Non-safety campaign: watson & chalin lift axle frame brackets with slotted lower mounting holes may exhibit cracking when fasteners are positioned at the upper portion of the slot. Installing a doubler plate may prevent cracks from developing. For vehicles where cracking is evident, a new updated side plate will be installed.

Owners of these vehicles have filed 4 complaints in the transmission category.

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