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Unread 02-03-2013, 06:29 AM   #1
970001zj
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1997 ZJ 
 
Join Date: Feb 2012
Posts: 1,865
groaning from trans when od button pressed

at speed in gear there is a noise coming from something when accelerating only

this dosnt happen in normal mode

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Unread 02-03-2013, 08:47 AM   #2
dnuccio
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1995 ZJ 
 
Join Date: Jul 2012
Location: Phoenix, AZ
Posts: 3,474
thats because its shifting out of overdrive. the engine rpms jump up, pretty sure thats what youre hearing. mine does the same thing. now if it was a loud grinding noise, then i would be worried
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