Mazda CX-9 2007–2008 — technical service bulletin
Bulletin SB-01-029-10 · NHTSA communication 10033966 · issued May 17, 2010
Technical service bulletin
communication type
Engine and Engine Cooling
component
2007–2008
model years
2
vehicle entries
Official summary
Mazda: engine harness replacement service caution (pcv valve heater elimination). Due to design change, the pcv valve heater and harness connectors have been eliminated, and replacement engine wiring harness will not have connections for the pcv valve heater fitting (0140-20) or pcv valve heater control (0140-21). *pe
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.