Help: loud bang/clunk from tranny area

Well, i just had a new clutch installed a week ago. Everything seemed to be running fine.. Now fast forward to today, i'm driving to work as usual, and go over a bump, i think it's a bridge expansion joint, just like everyday, and hear something like "rattle rattle...bang". The noise sounds like it's in the tranny area, definitely under the floorboard/tunnel. It's like something broke loose from going over this bump.

Now, it makes this "rattle, bang/thud, rattle",.. kinda noise when going over rough road/bumps or between coastdown and speed up. i drove it the rest of the way to work like this, being i was almost there. it's hard to explain the sound, ...it sounds as if there were a big rock down there that rolls/bounces around hits the floorboard/tunnel..?

i looked underneath now that it's parked in the lot, ...didn't see anything hanging, but didn't feel around either because the exhaust and everything still hot and i'm dressed for work.. i hope it's ok for me to try and drive this a few mile to the shop for inspection?

sounds like either your exhaust is hitting the floorboard or you have a busted tranny mount. Does it do it if you take off fast or just over bumps?

Could also be a broken or loose torque arm mount... but like 0rion suggested, most likely a transmission mount. Could be the shop didn't get something tightened down all the way and it let loose.

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Originally Posted by pajeff02

Could also be a broken or loose torque arm mount... but like 0rion suggested, most likely a transmission mount. Could be the shop didn't get something tightened down all the way and it let loose.

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good point......and since it's so close to the install the first thing I thought of was something left loose or came back loose. I would take it back to whoever did the work and have them look at it.

if it's the tranny mount or torque arm, is it safe to drive it a few mile to the shop? before i parked it, i didn't have any problem shifting gears or using the clutch... just the bang/clunk noise and a slight whine sound...

You should be okay to drive it to the shop, just take it easy.

yeah...unless it's about to fall out it should be fine. I wouldn't beat on it or anything like that but you should be able to just drive it without an issue

i second the torque arm mount. makes since if it clunks on accel and decline

Quote:

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Originally Posted by pajeff02

Could also be a broken or loose torque arm mount... but like 0rion suggested, most likely a transmission mount. Could be the shop didn't get something tightened down all the way and it let loose.

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^^^
This. I had the exact same sound and description happen when I did my first clutch replacement. I guess I didn't tighten down the bolt that the TA connects to the the transmission. Scared the hell out of me when it first happen.

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Originally Posted by wileyCoyote

if it's the tranny mount or torque arm, is it safe to drive it a few mile to the shop? before i parked it, i didn't have any problem shifting gears or using the clutch... just the bang/clunk noise and a slight whine sound...

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you'll be fine... just take it easy on the way there... i actually snapped my stock TQ arm in half right where it bolts to the rear...

Ok, i have an update:

got it to the shop, ..apparently they forgot to tighten a bolt on the torque arm. :brick:...so hopefully problem solved.. but, jeez, w/ all the racket it made, it sounded as if the tranny was loose and going to fall out! :eek:

thanks for all your inputs/replies!

No problem

Quote:

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Originally Posted by wileyCoyote

Ok, i have an update:

got it to the shop, ..apparently they forgot to tighten a bolt on the torque arm. :brick:...so hopefully problem solved.. but, jeez, w/ all the racket it made, it sounded as if the tranny was loose and going to fall out! :eek:

thanks for all your inputs/replies!

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i'd unbolt it and take a look at the bolt holes... the stockers are weak and flimsy... i bet the banging around made the bolt holes into ovals...

tranny mount

Quote:

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Originally Posted by Spaz

i'd unbolt it and take a look at the bolt holes... the stockers are weak and flimsy... i bet the banging around made the bolt holes into ovals...

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This.

same thing happened to me i thought i exploded the tranny er the motor or something. it turned out to be u joint came apart