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#1: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Thu Mar 12, 2009 1:20 am
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Hi bros, I'm having a noise coming from I assume somewhere in my driveline.

1) I can only hear it at low speeds, perhaps it's drowned out by road/engine noise at higher speeds.
2) It's a noise that kinda goes "klok klok klok" and goes slower as my car moves slower.
3) Once the car stops, the noise stops too.
4) This happens in forward gears only. When I shift to reverse and move at the same low speeds, no noise.
5) The noise is there regardless of whether the clutch is engaged or disengaged.

However, other than this noise, there are no issues with the gearbox, e.g. no funny whines, shifting is fine and etc.

I had all the gearbox oil seals replaced the other day (problem existed before this too) and while it was up, I noticed a few tiny cracks in my guibo. Could this be the cause? I thought guibos only caused clunking noises when shifting gears, which I do not have.

#2: Re: Noise at low speeds, forward gears Author: highwaystar, Location: Kola Lompuer

Posted: Thu Mar 12, 2009 3:31 am
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klok klok klok... early symptoms of drive shaft inner bearing either on the left or the right side. It will be worst if you drive slow on hill climb.

You can send it for recond or get another used set.
Cheerios

#3: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Thu Mar 12, 2009 3:57 am
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bro, are you referring to the center support bearing? I thought there is only one, not sure what you mean by left or right side. Smile

later i will see if its louder when climbing my car park ramps, but thing is, it only happens sometimes only, not all the time. and usually in the morning when first drive of the day.

#4: Re: Noise at low speeds, forward gears Author: highwaystar, Location: Kola Lompuer

Posted: Thu Mar 12, 2009 4:46 am
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evilnickwong wrote:

bro, are you referring to the center support bearing? I thought there is only one, not sure what you mean by left or right side. Smile

later i will see if its louder when climbing my car park ramps, but thing is, it only happens sometimes only, not all the time. and usually in the morning when first drive of the day.

if you already checked centre bearings, long shaft coupling then must be Drive Shaft = from axle to your wheel

Use hoist and turn your wheel slowly, if slightly knock.. then its drive shaft.

Sample image

#5: Re: Noise at low speeds, forward gears Author: highwaystar, Location: Kola Lompuer

Posted: Thu Mar 12, 2009 4:54 am
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Come to think of it, you have a similar case with fareeq

www.malatbimmer.com/ev...=2888.html

#6: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Thu Mar 12, 2009 5:24 am
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Oh I forgot to mention, the noise sounds like its coming from right under my center console (the shift lever + handbrake area), not the rear of the car. That's why I was thinking driveshaft bearing or guibo or something.

#7: Re: Noise at low speeds, forward gears Author: highwaystar, Location: Kola Lompuer

Posted: Thu Mar 12, 2009 5:58 am
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mmm... have you check log shaft coupling? you need to remove you exhaust to check. maybe to coupling has worn out or the long shaft join (dunno what is called).

realoem server down lehhh cannot get the longshaft diagram

#8: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Thu Mar 12, 2009 7:13 am
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Hmm I will check on that as soon as I can. I'll wait for your image to see which part it is. Smile

Btw, if realoem.com is down, try bmwfans.info, it's the same ETK diagrams.

#9: Re: Noise at low speeds, forward gears Author: highwaystar, Location: Kola Lompuer

Posted: Thu Mar 12, 2009 8:08 am
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Check part number 2

Check part number 1

Check number 7 & 8 (the whole join section)

#10: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Thu Mar 12, 2009 9:31 am
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Looks like some expensive parts. Sad

Thanks bro, will check it out soon!

#11: Re: Noise at low speeds, forward gears Author: highwaystar, Location: Kola Lompuer

Posted: Thu Mar 12, 2009 9:50 am
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evilnickwong wrote:

Looks like some expensive parts. Sad

Thanks bro, will check it out soon!

not really, guess the coupling less than 200 (i cant recall the exact price) and
the joining parts that indicate 7 and 8 memang jarang rosak. So omit that problem.

The main thing you need to check now is

Coupling (Rubber), Centre Bearing and gearbox mounting.

gud luck!

#12: Re: Noise at low speeds, forward gears Author: chriseunos,

Posted: Thu Mar 12, 2009 10:55 am
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i think m50 shouldnt have that noise. xD

#13: Re: Noise at low speeds, forward gears Author: highwaystar, Location: Kola Lompuer

Posted: Thu Mar 12, 2009 11:17 am
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chriseunos wrote:

i think m50 shouldnt have that noise. xD

ahahahahhahahahahaa

#14: Re: Noise at low speeds, forward gears Author: wks79,

Posted: Thu Mar 12, 2009 11:26 am
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tsk tsk tsk ..chris .. Very Happy

#15: Re: Noise at low speeds, forward gears Author: xsjado,

Posted: Thu Mar 12, 2009 12:54 pm
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item no 3 if already rosak will make noise.....vibration damper...

#16: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Thu Mar 12, 2009 1:01 pm
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Item no. 3 was never on my drive shaft in the first place lol.

But I'm sure this noise only started recently.
I know my guibo (rubber flex coupling, no. 2) has a few tiny cracks though. Will need to check it throughly.

#17: Re: Noise at low speeds, forward gears Author: jeembo, Location: Car_Junk

Posted: Sat Mar 14, 2009 6:39 am
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i oso have the same exact problem but no time to look at it:) i have changed all the suspected parts last year but still klok..klok around the clock hehehe...sometimes it feels that the car is going to "patah dua" hehehehe...

#18: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Sat Mar 14, 2009 5:58 pm
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Really? what parts did you change jeembo? Smile

#19: Re: Noise at low speeds, forward gears Author: boy_mtech, Location: Selangor

Posted: Fri Mar 20, 2009 8:09 pm
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i think normally the klok klok sounds coming from that item no 3.coz mine also like that

#20: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Tue Mar 31, 2009 4:16 pm
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Just an update. The sound now getting abit worse, but still no idea what is wrong. Sad

Perhaps I might just change the rubber coupling + center support bearing eventually and see. Sigh.

#21: Re: Noise at low speeds, forward gears Author: highwaystar, Location: Kola Lompuer

Posted: Wed Apr 01, 2009 2:25 am
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mmm thanks for the update nick... i wish can help you more.
somehow i also blurr lorr.... okay keep us update on the progress.
thanks again

#22: Re: Noise at low speeds, forward gears Author: -berq-,

Posted: Thu Apr 02, 2009 1:17 pm
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nick, my car have the same prob as urs...the klok2 sound.. Smile

been there more than a year already. i've changed item num 2 from 1st diagram, item 1 from 2nd diagram, and even all the joints on the driveshaft..so far, the sound is still there.

But in my case, the sound came 1st, then the vibrations, then it worsens until now. My only option is to change to a newer driveshaft or recon this one but im not sure which shop can do a 'proper' recon (went to a few and so far they've failed to rectify this problem).

#23: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Thu Apr 02, 2009 4:09 pm
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Hey berq, long time no see Smile

Wah, I hope that doesn't mean my sound will eventually become a vibration, that one lagi cannot tahan. -_-
One thing I notice now is that it's more obvious when I haven't driven my car for a day or two. But if those times I drive everyday, then its less.

My longshaft was a used unit from chop shop too when I did manual conversion, if can find a new one, I also wanna know more haha.

#24: Re: Noise at low speeds, forward gears Author: -berq-,

Posted: Thu Apr 02, 2009 4:47 pm
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haha,yeah long time man! Very Happy

i think the best solution is to find another longshaft rather than spend a lot & still have the same prob cos so far i have spent 1k++ to rectify this prob. and none of it was worth it.

but the biggest prob is to find a manual longshaft..hehe,

#25: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Fri Apr 03, 2009 2:27 am
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OK, so I guess if my rubber coupling and center support bearing look OK, then better to not bother changing right.

The only other clue I've found is that at the part where the 2 parts of the longshaft meets, there are alignment arrows that must line up to each other, otherwise the shaft will be out of balance. (Apparently, this means we cannot simply match 2 ends together since the shaft is balanced from the factory as a single piece).

*turns radio louder to drown out noise* Laughing

#26: Re: Noise at low speeds, forward gears Author: -berq-,

Posted: Fri Apr 03, 2009 6:26 am
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aha yes, forgot about the white arrow pulak..hehe
yeap the arrow must meet & if the arrow hilang oredi then f**ked up le..hehe

if we want to find another longshaft must be the ori front & rear & cannot be mismatched..sigh wat a problem to have

the problem is rite now most of the chopshops i've been that has longshaft in stock, has been disassembled & dunno if they put it the same way that it shud be (2 arrows pointing to each other).

#27: Re: Noise at low speeds, forward gears Author: -berq-,

Posted: Fri Apr 03, 2009 6:32 am
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so, whats the verdict then nick? Very Happy

i was thinking of going to jeembo's garage to ask for his opinion on this matter.

#28: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Fri Apr 03, 2009 7:10 am
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If my noise doesn't get worse, then I will leave it be for now I guess. But the next time my car is on a lift, I will ask my mech to check those arrows.
Cannot afford to gamble on used long shafts if not a serious issue lol.

Let me know if you find out anything at jeembo's place haha. Very Happy

#29: Re: Noise at low speeds, forward gears Author: evilnickwong, Location: TTDI, KL

Posted: Tue Aug 04, 2009 5:17 am
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Just to update on this issue.
My car recently made an even worse noise, a very loud klunk-klunk-klunk and can even feel as though the driveshaft is hitting the center tunnel under the chassis. So went to diagnose and as expected, found the center bearing rubber mount was torn.
Replaced center bearing, RM95, nylon bush RM25, rubber coupling RM95.

Happily, the noise I reported earlier in this thread is also gone. Smile

One thing of note, my old center bearing was a small bracket version like this:
www.realoem.com/bmw/sh...g=26&fg=10

The new one I got is this (which is the correct one for later model E30s):
www.realoem.com/bmw/sh...g=26&fg=10

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