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

Date Published
MAR 09, 2000
NHTSA TSB #
621306
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.

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