Nissan Leaf 2022 — technical service bulletin
Bulletin NTB23-034 · NHTSA communication 10235779 · issued Apr 17, 2023
Technical service bulletin
communication type
Engine and Engine Cooling
component
2022
model years
1
vehicle entries
Official summary
COOLANT SMELL OR LEAK FROM COOLANT HOSE CLAMPS IF YOU CONFIRM The customer states they smell coolant or have seen signs of coolant leaking, OR There are signs of a coolant leak from any one or more coolant hose clamps. ACTION Replace all twelve (12) coolant hose clamps.
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.