Quote:
Originally Posted by VicRoss
My car recently experienced this issue. It is a result of a crystalized shift boot in the torque converter. Flushing the transmission is supposed to break down the crystallization, but GM is expected to announce a permanent fix sometime in February.
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they told you this or you are assuming this?
our problems are caused by the low pressure pump not being able to hold the t/c friction plates together causing premature wear. The shudder is the transmission sensing slip and switching from the low pressure pump to the high, and back. flushing the transmission rids the transmission of the friction material, which will cause further issues down the line.
if you have the shudder, the damage is done. you can possibly tune out the slip tables, causing the high pressure pump to stay on more often, but it's just a bandaid.