Freightliner Sprinter 1500 2015–2024 — technical service bulletin

Bulletin LI08.10-N-078545 · NHTSA communication 11009854 · issued Oct 25, 2024

Technical service bulletin

communication type

Power Train

component

2015–2024

model years

vehicle entries

Official summary

Complaint: Noises when reversing slowly <5 km/h (squeaking) Cause: There is a seal in the electric drivetrain that seals off the coolant system from the electric motor. This seal is moistened with coolant during forward travel. As a result of the change in rotational direction when reversing slowly, it may be the case that this sealing ring is no longer moistened. Squeaking noises may occur as a result of the so-called "stick-slip effect". This behavior does not impact the function or durability of the sealing ring and electric drivetrain. Remedy: Do not replace any parts. Explain the cause of

Vehicles covered

What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.