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May 11, 2022 Service bulletin

€‹Fix-As-Fail – If a customer comes into your dealership and demonstrates the condition above, replace...

Peterbilt technical service bulletin 42-060 for 2021-2022 Peterbilt 579.

Bulletin number
42-060
Component
Engine and engine cooling
Summary
​Fix-As-Fail – If a customer comes into your dealership and demonstrates the condition above, replace the fan clutch adapter harness with the improved harness and clear the DTCs.

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