Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 4L60E Grinding, Crunching Feeling In Reverse
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Old 04-18-2013, 02:13 AM
mmerlinn mmerlinn is offline
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This was a VERY common problem with the early 700-R4 transmissions and is the main, but not only, reason to avoid 700s before mid-1984. Sometimes the rear planet exploded, destroyed the case, and literally left pieces on the roadway.

With redesign of the rear planet and rear ring gear, most of those problems disappeared, but as you see, it still happens.

For those that do not know, the 4L60-E gear train is the same gear train used in the later 700s.
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