Infiniti Q50 2016–2018 — technical service bulletin
Bulletin ITB20-016 · NHTSA communication 10176218 · issued May 19, 2020
Technical service bulletin
communication type
Engine and Engine Cooling
component
2016–2018
model years
5
vehicle entries
Official summary
Q50 AND Q60 WITH V6 ENGINE; COOLANT RESIDUE AT WATER PUMP IF YOU CONFIRM Coolant residue is on the surface of the water pump and on the water pump pulley AND Coolant DOES NOT leak out when connected to a cooling system pressure tester. HINT: The customer may state there is a coolant smell. ACTION Install an EPT sealer to the face of the water pump pulley. ï · For EPT sealer installation, see SERVICE PROCEDURE on the next page. ï · For EPT sealer information, see PARTS INFORMATION on the last page of this bulletin.
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.