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> Gearbox/drive shaft clunk
post Aug 10, 2010 - 4:15 AM
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Euphoria

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Hey, I've had a fair few clunks that have come and gone since I've owned this car but I've had this clunk for a long while and it is getting extremely frustrating, everytime you lift off in a low gear, put your foot down or just make the car misfire the whole front end has a very loud clunk noise, almost like something under there isn't tight, like a loose engine mount, only everything is and I've literally checked every suspension/cross member and engine mount bolt.

both bearings have been done recently and are problem free, struts and springs were done a couple years back and all bushings seem to be fine.

I can see it possibly being the driveshafts as they have never been changed, only the boots have been changed but they are showing no signs of play or noise when the wheel is moved whilst jacked up, this is also making it not seem like gearbox.

I have noticed when the car is jacked up I can move the driver side spring and it makes a clunk type noise, where as the other side doesnt and either does any other car I've looked at.

How loud can a bad strut mount clunk? also is there any other ways to determine what is wrong?

Thanks.
 
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post Aug 18, 2010 - 10:39 PM
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chinamandrift

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normally you would get a clicking from the cv before the clunking

in my situation i got the clunking first .....and eventually it got worse ...

then got to the point where it clunked every rotation

and yes my inner cv boot is broken and have been broken for over 6months cuz im lazy to fix it (poor student)

but when i pulled them out and checked it ...it was still good with no abnormal play or damage

instead i found my inner cv input walking around in the transmission

my clunk happens accel and decel with a medium load on engine forward and reverse

i jacked the car up and drained the oil ...i got a metallic mist ( very fine metal material) in the oil

the noise i had sounded like it was the driver cv axle but it was inside the tranny


Posts in this topic
- Euphoria   Gearbox/drive shaft clunk   Aug 10, 2010 - 4:15 AM
- - Hanyo   From my experience a CV axle does not make any noi...   Aug 11, 2010 - 1:58 AM
- - Euphoria   Cv's generally do click but they can clunk. n...   Aug 11, 2010 - 3:50 AM
- - krom8   Bad input shaft bearing? Do you hearing any faint ...   Aug 11, 2010 - 10:39 PM
- - Euphoria   I've thought this is possibility although I...   Aug 12, 2010 - 12:20 AM
- - krom8   A bad input shaft bearing will usually sound almos...   Aug 12, 2010 - 12:41 AM
- - Euphoria   doesn't sound like that, it has no whines and ...   Aug 12, 2010 - 12:53 AM
- - krom8   If I were you I would go back and recheck all bush...   Aug 12, 2010 - 1:01 AM
- - Euphoria   I did take a video but will have to upload later, ...   Aug 12, 2010 - 1:04 AM
- - krom8   The more I think about it the more I'm leaning...   Aug 12, 2010 - 1:20 AM
- - Euphoria   QUOTE (krom8 @ Aug 12, 2010 - 1:20 A...   Aug 12, 2010 - 1:35 AM
- - chinamandrift   i too have this problem .... accel and decel i get...   Aug 18, 2010 - 12:17 AM
- - jordisonjr   QUOTE (Euphoria @ Aug 10, 2010 - 4:1...   Aug 18, 2010 - 10:04 PM
- - chinamandrift   normally you would get a clicking from the cv befo...   Aug 18, 2010 - 10:39 PM
- - Euphoria   Yeah looks like its the transmission, jacked it up...   Aug 19, 2010 - 7:05 AM
|- - chinamandrift   QUOTE (Euphoria @ Aug 19, 2010 - 8:0...   Aug 19, 2010 - 10:02 PM
- - Euphoria   the axle doesnt have a ton of play, it only has a ...   Aug 19, 2010 - 10:33 PM
|- - chinamandrift   QUOTE (Euphoria @ Aug 19, 2010 - 10...   Aug 19, 2010 - 11:28 PM
- - marinos   Hello i m new to the 6gc i have the same problem a...   Aug 21, 2010 - 6:51 AM
- - jordisonjr   I know that you said your wheel bearings were done...   Aug 21, 2010 - 11:50 PM
|- - marinos   QUOTE (jordisonjr @ Aug 22, 2010 - 12...   Aug 23, 2010 - 6:35 AM
- - Euphoria   QUOTE (jordisonjr @ Aug 22, 2010 - 12...   Aug 22, 2010 - 4:37 AM
- - Euphoria   I thought I'd bring this back from the dead as...   Jan 4, 2011 - 5:58 AM
- - marinos   Finally I fount it it has a lot of time since i fi...   Mar 4, 2011 - 10:22 PM


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