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Old 02-06-2012, 01:27 PM   #2 (permalink)
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Join Date: Feb 2012
Location: Hendersonville, Tn
Posts: 63

nonikname - '99 Saab 9-5 2.3t
90 day: 33.71 mpg (US)
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Seems to me that cracked flex plates have been an occasional occurrence with GMs for many years.
... If you've had 2 in a row, I'd want to make sure that there is nothing between the block and the transmission housing that stops them from mating up correctly - rusted dowls or something. If it is all clear there, then I'd check the space between the crank and flex plate, then between the flex plate and torque converter. Don't forget to rotate the converter and check each mounting tab in relation to the flexplate.
1999 Saab 9-5 sedan 2.3t 5speed
2013 prius 3

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