Please be aware that the Workshop Manual procedure for the 2009 through 2012 Mazda6 (with 3.7L engine) timing chain is incorrect. The procedure will be corrected on MS3 by the end of April. In the meantime, refer to the 2013 Mazda6 Workshop Manual for the correct timing chain procedure. TIMING CHAIN PARTS INFORMATION: Part number CY01-12-201A was used in mass-production up to December 14, 2010, Part number CA51-12-201 was used in mass-production beginning on December 14, 2010. NOTE: Part number CA51-12-201 can be used on 2009-2012 Mazda6 vehicles with a 3.7L engine.
