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Thread: Th400.....I'm stumped!!
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11-15-2012 #1
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- Feb 2002
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- Springfield, MO
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Th400.....I'm stumped!!
Ok, I'm at my wits end (which ain't far to go!!) with my transmission.
History:The th350 was good till the added power of the bigger turbos, then it broke the drum. So time for an upgrade and I got a 400 core to rebuild. Got some good TCI innards and rebuilt it. Well, it broke a sprag at the MMCC, turns out it was the weak style. So out it comes again to get a new drum, sprag and clutches. It's back together now and it won't shift right. Dunno what the scoop is with it because, well I'm a roofer and not a mechanic!! LOL. Anyway, apparently 400's and 350's don't work the same with the modulator and vacuum. So what is the scoop with a boosted engine and how the vacuum works and all?
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