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by Rex_tulips - 30/07/25 07:59 PM
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Forums34
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Aug 24th, 2023
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Your rattle could be a loose drive belt, worth a check.... Thanks for the forewarning. Visually it looks OK I mean it does not appear to have much slack. How would I know if the drive belt is loose?
2017 Terracotta 3-Wheeler + G56 Stage 1 (SOLD)
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A loose belt generally makes a banging noise on the overrun. From memory I think the recommendation is 10mm play in the belt, that's by pushing very hard on it.
1969 4/4
1995 plus 8
2002 Aero S1
2013 M3W
2014 Plus 8
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Bcoupe, great description/explanation.
The light at the end of the tunnel is actually a train. 2019 M3W
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Looking up from underneath the car, this seems to be the bevel box drain: ![[Linked Image]](https://jawad.zenfolio.com/img/s/v-10/p3897765746-5.jpg) I think I know how to go about this now. This forum is so helpful. Thanks, everyone!
2017 Terracotta 3-Wheeler + G56 Stage 1 (SOLD)
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Joined: Feb 2019
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Raise the front of the car a bit to get all the oil out of the bb.
Fill on level.
Last edited by LightSpeed; 18/05/20 09:00 PM.
The light at the end of the tunnel is actually a train. 2019 M3W
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Golden: I modified a hex drive that works wonders for my BB oil change. I am South of you in ELP, (TX, not CO). As I am technically challenged to figure out how to post pictures on the forum, you are welcome to PM me, and I will forward you the pics. Also, I wish to install the G56 Stage I, so I would appreciate exchanging your impressions.
Thank you
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xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx I have an annoying rattle that seems to be coming from behind the seatback ... might that be the dreaded bevel box noise?xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx I guess you have checked…. but I must insist that my rattle / rubbing noise came from a bad factory installation of the rear mudguard. Sorrry to repeat myself, but just in case...
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Piloto: I just sent you a PM. Thanks!
2017 Terracotta 3-Wheeler + G56 Stage 1 (SOLD)
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Joined: Apr 2020
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Javier:
The factory mudguard does not appear to be loose. I tried to move it and its screwed on pretty solid.
The rattle I am experiencing is at certain RPMs when there is just the right amount of vibration.
Under acceleration, I do not hear this rattle.
2017 Terracotta 3-Wheeler + G56 Stage 1 (SOLD)
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xxx I have an annoying rattle that seems to be coming from behind the seatback ... might that be the dreaded bevel box noise?xxx On some cars, one of the roll over hoops has very little clearance to the bodywork which can cause a metal on metal noise at certain revs. Peel back the rubber roll hoop seals to check that the hoop tubes are centrally mounted in the bodywork apertures.
Andy
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