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Transmission is Making Humming Noise

2K views 1 reply 2 participants last post by  elmer_fud 
#1 ·
I have an '04 Grand Cherokee with a 4.0L and about 42,000 miles. The problem is a loud vibrating / humming sound when the transmission is in neutral or reverse. No sound in any other gear. I slid under the Jeep and the vibrating noise is loudest from the transmission pan. Sound has no effect on it reversing.
I changed the fluid and filter, but this did not help. Any ideas?
 
#2 ·
check the transmission mounts. Maybe one needs replaced.

other than that I have no idea so I will bump the thread for you
 
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