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July 15, 2025 Service bulletin

Updated oil pumps that provide improved oil flow are available for the Torque Drive Unit (TDU) and...

Tesla technical service bulletin SB-25-39-001 for 2023-2024 Tesla Semi.

Bulletin number
SB-25-39-001 (SB-25-39-001)
Component
Power train
Summary
Updated oil pumps that provide improved oil flow are available for the Torque Drive Unit (TDU) and Efficiency Drive Unit (EDU) on Semi. Replace the TDU and EDU oil pumps with updated parts.

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