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August 17, 2021 Service bulletin

Safety Recall – Interim Notification

Kenworth technical service bulletin 21-KWE for 2021 Kenworth T680, 2021 Kenworth T880 and 2021 Kenworth W990.

Bulletin number
21-KWE
Component
Electrical system
Summary
Safety Recall – Interim Notification - Certain Mahle HVAC control heads may have a soldering defect which may result in inoperative HVAC controls. Inoperative HVAC defrost may reduce driver visibility, increasing the risk of an accident. This bulletin will be updated when parts become available.

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