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Old 03-22-2014, 03:08 AM   #2
piecesparts
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Join Date: Nov 2003
Location: Lebo, Kansas (middle of nowhere
Posts: 6,821
Re: Help, Loud engine noise!

Take a look at your engine's flexplate. It sounds like it is cracked. I had this happen on a couple of trucks, so I replaced the flexplate with a heavy duty plate and solved the issue. The noise comes from the torque converter ballooning out when you spin it up to speed. The convertor will spread axially and cause the flexplate to crack.
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