GMSMFM Synchromesh finally wore out
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2007 TL Type-S NBP
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Join Date: Jan 2011
Location: Rexburg, Idaho
Age: 49
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GMSMFM Synchromesh finally wore out
I had always wondered how long the magic fluid would hold up, now I know. I originally replaced my trans fluid when I first bought my 07 Type-S 6MT with 115k miles and noticed the 3rd gear issues. As soon as I swapped out the fluid for the GMSMFM the problem went away. Well, last week I noticed the same 3rd gear issue happened a few times while I was out in Buffalo. I've got 148k miles on it now. The temperature was really cold but I've noticed it happen a few times since I've been home in warmer weather (30's instead of 20's). I plan on changing the fluid again as soon as I get the time. Hopefully the Synchromesh magic will work one more time. I'll post an update as soon as I've swapped the fluid.
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Bearcat94 (02-18-2012)
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First change at 16K, second change at 70K. Currently at 119K. No issues at all through 6 wicked North Dakota winters....
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