| Re: [GMCnet] Automotive Recalls, ( THIS IS NOT GMC RELATED ) [message #105343] |
Sun, 07 November 2010 11:47  |
Gary Casey
Messages: 448
Registered: September 2009
Karma:
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Senior Member |
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A flex plate fatique failure is maybe not common, but not unknown either. It is
usually caused by built-in misalignment between the engine and transmission
causing the flex plate to, well, flex. I'd be willing to bet that yours was
cracked before and then during storage the exposed crack surfaces corroded,
leading to an almost-immediate failure when you drove it again. The steel is a
high-carbon heat-treated steel, so it will rust readily where it is not
protected (like within the crack).
Gary
? My friends 86 Chev. Van 20 did the exact same thing. Was also a 305.
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