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HybridZ

torque converter grinding noise...


hoov100

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ok, the grinding was caused by the starter no dis-engaging all the way, so i fixed that, no more grinding, now it seems like a rattle or metal against metal bouncing, its comming from almost the same spot, around the front of the trans..

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ok, took a little drive to phoenix (300 miles there) and back today and no grinding/rattling, on the way back from phoenix i went to down shift, so i get to second gear without a problem, getting ready to down shift again, doing about 38MPH and i downshift into 1'st, then the rattling started for about two minutes before it stopped again, its hasn't done it again, but its getting annoying....

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You're not supposed to downshift automatics to slow down. Doing so causes a lot of wear to certain parts (due to reversion of rotation). You're only supposed to downshift when accelerating so that the reversion doesn't happen (a la kickdown switch is one way).

 

I believe it's been talked about here before.

Mario

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