Audi A3 Cabriolet 2015–2016 — technical service bulletin
Bulletin A191664 2039777- · NHTSA communication 10118302 · issued Jan 12, 2016
Technical service bulletin
communication type
Engine and Engine Cooling
component
2015–2016
model years
2
vehicle entries
Official summary
Coolant warning light on, coolant level close to or below minimum. The customer had to top off the coolant several times. Air gets into the cooling system during production or when refilled during previous repairs. As this air escapes, the coolant level in the coolant expansion tank can drop below the minimum. A drop of the coolant level because of air in the system is possible even after the vehicle has exceeded 15,000 miles. Because of the remaining air, the coolant level can drop a few times.
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.