Engine - VVT Noise On Engine Start Up

Bulletin No: 01-026/09

Last Issued: 06/30/2009

Subject:
VARIABLE VALVE TIMING (VVT) NOISE WHEN STARTING ENGINE





BULLETIN NOTE





APPLICABLE MODEL(S)/VINS

DESCRIPTION





When the engine is first started, some vehicles may exhibit a loud ticking noise from the variable valve timing (VVT). This is caused by the lock pin of the variable valve timing actuator not fully engaging. Heat treatment has now been added around the hole of the variable valve timing rotor lock pin to prevent this from happening.

Customers having this concern should have their vehicle repaired using the following repair procedure.








REPAIR PROCEDURE





PART(S) INFORMATION





WARRANTY INFORMATION

NOTE:
^ This warranty information applies only to verified customer complaints on vehicles eligible for warranty repair.

^ This repair will be covered under Mazda's New Vehicle Limited Warranty term for a Powertrain Component.

^ Additional diagnostic time cannot be claimed for this repair.





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