TSB Document:

• Sorry, the NHTSA has not posted this TSB document yet.

You can still get the detailed info from Mazda for this TSB. Call your local Mazda dealer's service department & ask for a copy of TSB# 00400.

Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL

Summary

SOME VEHICLES MAY EXHIBIT A TAPPING NOISE WHICH CAN BE HEARD COMING FROM THE REAR OF THE VEHICLE WITHIN THE FIRST 10 MINUTES AFTER A COLD START. THIS CONCERN MAY BE CAUSED BY THE OPERATION OF THE CDCV (CANISTER DRAIN CUT VALVE) SOLENOID DURING THE EVAPORATIVE EMISSION MONITOR. *TT

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