Engine - Noise Diagnostics And Repair
Bulletin No: 01-036/10Last Issued: 06/04/2010
Subject:
DIAGNOSTIC PROCEDURE FOR ENGINE NOISE REPAIR
APPLICABLE MODEL(S)/VINS
2007 - 2010 CX-7 2.3L
2007 - 2010 Mazdaspeed3
2006 - 2007 Mazdaspeed6
DESCRIPTION
Some vehicles may exhibit various types of engine noise such as knocking, ticking, tapping, rattling, grinding, squealing, squeaking, thumping, whining, creaking, popping, clicking or roaring. If you encounter engine noise, refer to the following repair procedure. If any parts can be reused after inspection, be sure to reuse them.
REPAIR PROCEDURE
DIAGNOSTIC PROCEDURE
2007-2010 CX-7 2.3L - POINTS TO MEASURE THE NOISE AROUND THE ENGINE MOUNTS:
No.1 Engine Mount:
Engine Side: Transmission near bolt (A). Body Side: Bracket near bolt (B).
No.3 Engine Mount:
Engine Side: Front cover head bolt (A). Body Side: Between the bolts (B).
No.4 Engine Mount:
Engine Side: Transmission near bolt (A). Body Side: Case top (B).
2006-2007 MAZDASPEED6 - POINTS TO MEASURE THE NOISE AROUND THE ENGINE MOUNTS:
No.1 Engine Mount:
Body Side: Bracket near bolt (A). Engine Side: Transmission near bolt (B).
No.3 Engine Mount:
Engine Side: Front cover bolt head (C). Body Side: Front of case (D).
No.4 Engine Mount:
Body Side: Front of case (A). Engine Side: Transmission near bolt (B).
2007-2009 MAZDASPEED3 - POINTS TO MEASURE THE NOISE AROUND THE ENGINE MOUNTS:
No.1 Engine Mount:
Engine Side: Transmission near bolt (A). Body Side: Lower arm (B).
No.3 Engine Mount:
Engine Side: Front cover bolt head (A). Body Side: Front of stopper outer (B).
No.4 Engine Mount:
Body Side: Right edge of plate (C). Engine Side: Transmission near bolt (D).
2010 MAZDASPEED3 - POINTS TO MEASURE THE NOISE AROUND THE ENGINE MOUNTS:
No.1 Engine Mount:
Engine Side: Transmission near bolt (A). Body Side: Lower arm (B).
No.3 Engine Mount:
Engine Side: Front cover bolt head (A). Body Side: Front of stopper outer (B).
No.4 Engine Mount:
Body Side: Right edge of plate (C). Engine Side: Transmission near bolt (D).
EXHAUST NOISE
HIGH PRESSURE FUEL NOISE
GENERATOR DRIVE BELT AND RELATED PARTS NOISE
ENGINE NOISE
HEARING POINTS AROUND THE ENGINE BLOCK:
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