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Gotta find out what the noise is.
https://www.ausmini.com/forums/viewtopic.php?f=2&t=16641		 Page 1 of 2
Author:  sean [ Mon Feb 27, 2006 9:56 am ]
Post subject:  Gotta find out what the noise is.
i've talked about this before but here it is, i will try to describe a noise i hear when throttle is pressed.

when idling - no noise
when foot off throttle - no noise

when i apply the throttle, only when moving i can hear a noise that could be a drive shaft bearing or rubbing as it turns. I asume its a drive shaft cos it only happens when you press the throttle to drive!, hope you're still with me?. it sounds like its coming from centre to drivers side underneath the motor, is there any simple tests i can do to find out what it is ?

Please help :?
Author:  inazuma_x [ Mon Feb 27, 2006 10:04 am ]
Post subject:  Re: Gotta find out what the noise is.
sean wrote:
i've talked about this before but here it is, i will try to describe a noise i hear when throttle is pressed.

when idling - no noise
when foot off throttle - no noise

when i apply the throttle, only when moving i can hear a noise that could be a drive shaft bearing or rubbing as it turns. I asume its a drive shaft cos it only happens when you press the throttle to drive!, hope you're still with me?. it sounds like its coming from centre to drivers side underneath the motor, is there any simple tests i can do to find out what it is ?

Please help :?


sounds like the noise i was getting before my car threw one of its U bolts...does it make the noise in all gears under power? coz mine didnt make any noise (or atleast not enuff to hear) when i was cruising in 1st...which is what i had to do when the u-bolt eventually gave up the ghost on the freeway :) was exciting...crunch crunch crunch...bang bang crunch bang...uh-oh...better pullover :P
Author:  h0nk [ Mon Feb 27, 2006 2:24 pm ]
Post subject: 
Have you given everything it's regular greasing?
Author:  andbat [ Mon Feb 27, 2006 4:46 pm ]
Post subject: 
i once had a funny ratle underneath my mini, found out it was an exhaust bracket wobblying up and down the exhaust pipe, on my way to school the next day to fix it, it fell off :shock:

Image

(ok mabey i am way off, i just wanted to post this pic again. he he he :lol: )
Author:  sean [ Mon Feb 27, 2006 5:05 pm ]
Post subject: 
Where is the U Bolt ? any pics

Thanks
Author:  sean [ Mon Feb 27, 2006 5:09 pm ]
Post subject: 
Not sure if everything is greased on the drive shaft - not sure how to do it ?
again pics would be excellent
Thanks
Author:  inazuma_x [ Mon Feb 27, 2006 5:27 pm ]
Post subject: 
sean wrote:
Where is the U Bolt ? any pics

Thanks


they connect the drive shafts to the outputs coming out of the differential...there are 8 of them in total (4 on each side)...dont have any pics of it assembled...got pics of it in pieces if you wanna see that :P

differential end:
Image

driveshaft end:
Image
Author:  h0nk [ Mon Feb 27, 2006 5:31 pm ]
Post subject: 
You'll need a grease gun and a workshop manual.. Any decent mini workshop manual should have diagrams of where each grease nipple is.
Author:  sean [ Mon Feb 27, 2006 10:21 pm ]
Post subject: 
Thanks for the pics - very helpfull

I feel more confident now.
Author:  inazuma_x [ Mon Feb 27, 2006 10:29 pm ]
Post subject: 
sean wrote:
Thanks for the pics - very helpfull

I feel more confident now.


just hope it helps...i know how it feels to have a car thats not behaving itself :P
Author:  sean [ Tue Feb 28, 2006 9:55 am ]
Post subject: 
Flicking through the haynes manual last night and found that it could be the final drive gear/bearing etc. Please tell me that this can be fixed with engine in :?

in the manual they call the noise
" noise on drive, quiet on overdrive" - does this mean quiet when you take your foot off the throttle ?

thanks
Author:  sports850 [ Tue Feb 28, 2006 9:59 am ]
Post subject: 
ANything internally in the gearbox is 99.9% only fixable with the motor out and motr/gearbox split . Is there anyone over in perth that can have a look at this and see what it is for Sean , he'll be a nervous wreck before he sorts it out at this rate . Basically I think you need someone who know's mini's to look at it and find the problem , there's only so much you candescribe in writing when it comes to mini noises .....
Author:  awdmoke [ Tue Feb 28, 2006 10:08 am ]
Post subject: 
sean wrote:
Flicking through the haynes manual last night and found that it could be the final drive gear/bearing etc. Please tell me that this can be fixed with engine in :?

Nope. Big job - wouldn't tackle it myself!

Quote:
in the manual they call the noise
" noise on drive, quiet on overdrive" - does this mean quiet when you take your foot off the throttle ?

Yep. When the car is pushing the engine, rather than when the engine is driving the car.

Before pulling the engine & gearbox out, rule out the other things suggested here already, especially the driveshafts/joints. Good Luck!
Author:  sean [ Tue Feb 28, 2006 10:08 am ]
Post subject: 
Is there anyone who could come and look at it ?, I'm in Wanneroo
that would be sweet
Author:  awdmoke [ Tue Feb 28, 2006 10:09 am ]
Post subject: 
PM sent
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