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.
Fold the new pads inward as shown.

Fold the new pads inward as shown.

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