Quote:
Originally Posted by andrewwynn
Take a listen to a loose guibo bolt situation. Was yours taken apart and reinstalled? It's important to get the bolts the correct way and some use washers also critical.
Reused bolts can also throw off torque application and have the bolts not be tight enough.
It's possible the sound is a shield getting hit by a rotating part that only happens from flex under engine braking. Look for things that are close to the drive shafts and telltale rub.
In the beginning of the video there is a very repetitive sound. Like tap tap pause tap tap pause.
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Loose shields and/or panels was my very first thought since I had removed most of them to install the new downpipe and mid pipe. Nothing had rub marks and and pieces were clear from moving parts.
I had to use my 1/2" breaker bar with some "umph" to loosen the guibo bolts and the guibo was was facing the right way with the bolts placed properly.
I did find 1 motor mount bolt not seated all the way and I can't specifically remember torquing the subframe bolts when I buttoned everything back up.
Of note, I live down a 1/4 mile gravel road and it doesn't make the noise on it.
So my replacement ATC700 will be here Friday, I'll get everything back together and test drive with the gopro mounted in various locations and go from there.
Thanks for all your input and links Andrew.
05-19-2021, 12:24 PM
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