Nissan Armada 2017 — technical service bulletin
Bulletin NTB17-117 · NHTSA communication 10127473 · issued Nov 20, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017
model years
1
vehicle entries
Official summary
2017 ARMADA; FAN COUPLING TICK / KNOCK NOISE IN TEMPERATURES 32°F (0°C) OR BELOW IF YOU CONFIRM A knocking or ticking noise is coming from the engine fan coupling when the vehicle is operated at or below 32°F (0°C). ACTION 1. Confirm this bulletin applies. 2. Check and compare your Current ECM Part Number to Table A on page 4. 3. If the part number does not match one in Table A, this bulletin does not apply. Go back to ASIST for further diagnostic and repair information. 4. If this bulletin applies, reprogram the ECM.
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.