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Old 09-18-2016, 04:46 PM   #1
#madrussian
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Weird Noise Knock from Tranny

Hey all,



Was driving last night and noticed a weird situation with the car.



At above 3.5K rpm if I drop the throttle then get back on it there is a very noticeable knock like a catch up of the engine to the transmission or something. Feels quite unsettling, almost like a clutch drop.



Really only happens in 3rd and above gears, in 1st and second its like the engine and tranny are glued, the flow of rpm up and down is very consistent without breaks.



Has anyone has something similar occur? Is it time for a new clutch? Or something worse?



Any info would be appreciated.



Thanks.



#madrussian

Last edited by #madrussian; 09-18-2016 at 07:56 PM.
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Old 09-18-2016, 06:31 PM   #2
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Clutch slip? Are you tuned?
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Well i did use a breaker bar to snug up that nut instead of a torque wrench.
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my subframe has been out twice without replacing any bolts and I don't have subframe clunks and my world hasn't ended and my car hasn't blown up.
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Old 09-18-2016, 07:36 PM   #3
#madrussian
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Weird Noise Knock from Tranny

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Clutch slip? Are you tuned?


It doesn't slip as far as I can tell. No chips no tunes. Only performance 'mod' is a k&n air filter.


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Old 11-25-2016, 01:57 PM   #4
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My car has this issue too. Its like something in the drive line is shifting. I have upgrade mounts though so I dont think it is the engine or tranny. My thoughts are maybe the rear differential
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Old 11-25-2016, 07:57 PM   #5
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I believe it's the differential wearing out. Good excuse for LSD upgrade.
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He's a real straight shooter, no monkey business, and the wheel swap at the Kohl's parking lot was quick and easy.
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Well i did use a breaker bar to snug up that nut instead of a torque wrench.
Quote:
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my subframe has been out twice without replacing any bolts and I don't have subframe clunks and my world hasn't ended and my car hasn't blown up.
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Old 11-25-2016, 09:00 PM   #6
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At a stock level, you think its just the engine moving around? That thing flexes alot

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Superior interior is like 500hp at the wheels doe
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Old 11-25-2016, 11:03 PM   #7
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I believe it's the differential wearing out. Good excuse for LSD upgrade.
Front diff? Or rear?
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Old 11-26-2016, 06:13 AM   #8
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Most likely the rear... check for leaks not sure how many miles you got but thats not an area you want to neglect.
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Old 11-26-2016, 03:37 PM   #9
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Most likely the rear... check for leaks not sure how many miles you got but thats not an area you want to neglect.
Ive inspected it and there are no leaks. I think I will do a fluid change soon. I know a guy selling a warrantied diff so I might get it just in case
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Old 11-30-2016, 12:48 PM   #10
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Could it be your DMF is starting to go?
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Old 12-02-2016, 04:42 PM   #11
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DMF?
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Old 12-02-2016, 04:43 PM   #12
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is that the rubber bushing where the drive shaft connects to the transmission and rear diff?

I think it's called a Rear Harmonic Balancer.
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Old 12-02-2016, 06:16 PM   #13
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ECS has a replacement for about $150, it's exactly the same as the $460 OEM part because FEBI manufactures the part for VW
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Old 12-02-2016, 06:55 PM   #14
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DMF?
Dual mass Flywheel I believe
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