Thread: Down shift bump
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Old 03-28-2016, 05:22 PM
rmoulderoh rmoulderoh is offline
Join Date: Oct 2005
Location: OH
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Default Down shift bump

The transmission in my 87 GN with 116,000 miles just started making a very loud bump/thump noise when it down shifts to 1st or 2nd gear. Is it time for a rebuild or is a simpler fix possible?
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