Technical Service Bulletins

Mazda chatter

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Mazda chatter

Some 204-2009 Mazda3 and Mazdaspeed3 vehicles with VINs lower than JM1BK****9*209750 (produced before August 7, 2008) may experience a chattering noise heard from the cowl grill when passing over a bump or driving on a rough road. The cause is a stick-slip occurring between the cowl grill and the windshield.

  1. Verify the concern.
  2. Remove the cowl panel. Refer to MS3 online or workshop manual section 09-10 COWL PANEL REMOVAL/INSTALLATION.
  3. Install or replace the pads on the hooks on the back of the cowl grill in 8 locations, with the service pads folding in and attaching to the hook.
  4. Install the cowl panel and verify the repair.

The new replacement pads are available under P/N L206-50-794 (pack of 8).

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