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WOW...that thing exploded when you hit your brakes?...thats crazy
 

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The little bolt/pin that held the cross shaft (technically it's the spider pinion shaft) failed. This in turn caused the cross shaft to slide out. The cause of the bolt failing remains a mystery to me, but I've seen more than 20 in life and they were all GMs. I saw one happen at 35 mph driving 20ft feet away from me. At first, I thought maybe they missed the intersection, but nope. Cross shaft through the rear cover.
 

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Bomb
 
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