Honda Civic 2006–2009 — technical service bulletin
Bulletin A10-048 · NHTSA communication 10115157 · issued Jul 19, 2017
Technical service bulletin
communication type
Engine and Engine Cooling
component
2006–2009
model years
4
vehicle entries
Official summary
Service bulletin - On some 2006 - 08 and early production 2009 Civics, the engine (cylinder) block may leak engine coolant, resulting in engine overheating. To increase customer confidence, American Honda is extending the warranty of the engine block to 10 years from the original date of purchase, with no mileage limit.
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.