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Clunking from Trans Tunnel

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Old 11-12-2017, 07:15 PM
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Default Clunking from Trans Tunnel

So I bit of background, 01, 235k recently replaced trans about a year ago. Anyway I have a loud clunking coming from seems to be the transmission tunnel upon accelerating, deceleration or when rpms are anywhere near 1800-2300. It has gotten worse as the weather has gotten colder. Crawling under it tomorrow to tighten whatever may be loose up but wondering what may be some certain spots to check? Thanks
Old 11-12-2017, 07:20 PM
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Check ALL the motor mounts. I just had the right side front mount shear off my 4.0. My Trans mount is completely torn up too.

Spent all weekend with drill bits, easy outs and taps. Ugh.
Old 11-12-2017, 07:24 PM
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I'm hoping it' not the mounts but would make sense. I put quite a bit of stress on the motor mounts doing the trans swap, but that was a year ago. There probably due replacements anyways
Old 11-12-2017, 08:42 PM
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check all the nuts and bolts at the transmission aswell
Old 11-12-2017, 08:52 PM
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Rotted rubber mount allowing the exhaust to hit the crossmember.
Old 11-12-2017, 09:07 PM
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Defiantly all places I plan on checking. I can definitely feel it with my feet on the floorboard
Old 11-13-2017, 06:55 AM
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Originally Posted by Turbo X_J
Rotted rubber mount allowing the exhaust to hit the crossmember.
Yup.
Attached Thumbnails Clunking from Trans Tunnel-transmission-mount-bracket.jpg  
Old 11-13-2017, 07:09 AM
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Originally Posted by cruiser54
Yup.
This is so common there should be a "You here because you got a clunk?" sticky thread. lol

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