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M/T - Buzzing/Oil Canning Noises
TSB 08-2-10
02/04/08
4.6L MANUAL TRANSMISSION - SEPARATOR PLATE
BUZZ - BUILT BEFORE 12113/2007
FORD:
2005-2008 Mustang
ISSUE
Some 2005-2008 Mustang vehicles built before 12/13/2007 and equipped with a 4.6L engine and manual transmission, may exhibit an oil-canning or exhaust rattle/buzz around 2000 - 2500 RPM during the first few minutes of driving after a cold start. The sound goes away after the car warms up.
ACTION
The concern may be caused by the separator plate, between the rear face of the block and the transmission housing, vibrating and/or contacting the flywheel. Follow the Service Procedure steps to correct the condition.
SERVICE PROCEDURE
1.
Remove transmission per Workshop Manual (WSM), Section 308-03B.
2.
Pry separator plate from rear face of block alignment dowels, slide out from between block and flywheel, and replace with new service part.
3.
Install transmission per WSM, Section 308-03B.