M/T - Excessive Gear Noise

Bulletin No: 05-016/09

Last Issued: 11/12/2009

Subject:
G66M-R MANUAL TRANSAXLE - BROKEN REAR COVER

APPLICABLE MODEL(S) / VINS
2009-2010 Mazda3 G66M-R MTX vehicles with VINs lower than JM1BL******136997 (produced before March 1, 2009)

2009 Mazda6 G66M-R MTX vehicles produced before August 13, 2009

DESCRIPTION





Some vehicles may exhibit gear noise from the manual transaxle. Excessive noise may be heard even when the shift lever is in neutral. The noise may be caused by a broken rear cover (B) resulting from a loose lock nut (A).

To prevent the lock nut from loosening, the bearing (C) engagement force has been increased at mass-production.

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

REPAIR PROCEDURE

1. Verify customer concern.

2. Remove and disassemble the manual transaxle according MS3 online instructions or Workshop Manual (section 05-15 MANUAL TRANSAXLE REMOVAL/INSTALLATION [G66M-R]).





3. Replace the main drive gear (A), gear sleeve (B), rear cover (C), 6th gear (D), bearing (E) and lock nut (F) with modified parts.

4. Reinstall the manual transaxle according MS3 online instructions or Workshop Manual (section 05-15 MANUAL TRANSAXLE REMOVAL/INSTALLATION [G66M-R]).

5. Verify repair.





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.