Engine - Knocking Noise On Start Up/Shut Down

Bulletin No: 01-003/10

Last Issued: 01/07/2010

Subject:
ENGINE VIBRATION / KNOCKING NOISE / NO.3 ENGINE MOUNT RUBBER BROKEN

*BULLETIN NOTE
^ This bulletin supersedes the previous bulletin 01-021/05 issued on 07/13/05 and 01-035/07 issued on 08/08/07. The APPLICABLE MODEL(S)/VINS, PART(S) INFORMATION, and WARRANTY INFORMATION have been revised.

^ Changes are noted below with black bars and asterisks.*

*APPLICABLE MODEL(S)/VINS
2004 - 2009 Mazda3 (NOT including Mazdaspeed3)
2006 - 2009 Mazda5 with VINs lower than JM1 CR**** ** 359648
(Produced before September 1, 2009)*

DESCRIPTION





Some vehicles may exhibit a knocking noise from the engine compartment when starting/shutting off the engine or may experience excessive engine vibration at idle. A likely cause of this is a broken No. 3 engine mount (A). This symptom could be observed under any condition such as accelerating or idling with the engine hot or cold.

The No. 3 engine mount rubber has been modified to address this concern.

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

REPAIR PROCEDURE

1. Verify concern.

2. Replace the No.3 engine mount rubber with a modified part. Refer to Workshop Manual section 01-10.

3. 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.

^ Additional diagnostic time cannot be claimed for this repair.