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      06-25-2020, 03:49 PM   #1
135iMike
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Vibration on decel, specific rpms

I've scoured for an answer and can't find one that reminds me of what I'm experiencing. Hoping somewhere here can shed some light.

It's pretty simple and repeatable (most of the time)..

N55, 6-MT..

Let's say I'm in 3rd gear, accelerate to 60, and back off.. when the rpm passes around 2500, I get a 'bvvvvtttt' (my vibration sound) and it quickly stops by around 2100. I can feel this vibrating in my hand on the shift lever and hear it. My guess is either driveshaft or diff related?

Other notes: I don't hear it accelerating (but may be drowned out by engine/road noises). It's the second transmission and experienced exact symptoms with both.

Any ideas?
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      06-25-2020, 04:25 PM   #2
iminhell1
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exhaust hanger
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Afam28298.00
      06-25-2020, 10:06 PM   #3
Thunderguts
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Bad giubo, worn transmission mounts, worn differential mounts?

I did experience something similar to what you’re describing when the honeycomb broke free in my high-flow cat.
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      06-26-2020, 05:35 AM   #4
Afam28
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Quote:
Originally Posted by iminhell1 View Post
exhaust hanger
Had this same issue...
But with no exhaust hanger in place(long story)...
Put new exhaust hanger in place and no vibration at all...

Also had vibration at idle and a rattling sound when making left/right turns!
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      06-26-2020, 10:13 AM   #5
135iMike
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Quote:
Originally Posted by Thunderguts View Post
Bad giubo, worn transmission mounts, worn differential mounts?

I did experience something similar to what you’re describing when the honeycomb broke free in my high-flow cat.
I was thinking guibo. Guess I have a few things to check.
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      06-26-2020, 10:14 AM   #6
135iMike
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Quote:
Originally Posted by Afam28 View Post
Had this same issue...
But with no exhaust hanger in place(long story)...
Put new exhaust hanger in place and no vibration at all...

Also had vibration at idle and a rattling sound when making left/right turns!


Will crawl under and see. Thanks for the suggestion. iminhell1 also!
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