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September 18, 2023 Service bulletin

For all Peterbilt chassis equipped with an air shifted PTO. Oil from the air shift cover of the PTO may...

Peterbilt technical service bulletin 28-001 for 2015-2024 Peterbilt 579.

Bulletin number
28-001
Component
Electrical system
Summary
For all Peterbilt chassis equipped with an air shifted PTO. Oil from the air shift cover of the PTO may leak into the air line, causing the EOA solenoid to become inoperative.

Owners of these vehicles have filed 12 complaints in the electrical category.

Vehicles covered

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