Where's the tranny noise coming from?

volksaddict · Samba Member Joined: August 19, 2003 Posts: 1724

How do I know if the whine from my rear end is the trans or rgb's? A steady howl noticable at about 40 mph, increasing in volume with speed. Sounds like it's out of gear oil but it's not.

jeremyrockjock · Posted: Sat Mar 12, 2005 6:54 am Post subject:

Block up the back of the bus and turn the wheels and listen.
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super64 · Posted: Sat Mar 12, 2005 8:39 pm Post subject: noise

Does the noise go away if you push the clutch in? If it does or make a little less noise then its your mainshaft bearing, If thats your problem better get it fixed now , If that bearing lets go it will whipe out 3rd ,4rth and the case,and maybe more,I build transaxles for a living

KombiMonster · Posted: Sun Mar 13, 2005 8:11 pm Post subject:

I think I'll be pulling my motor out this coming weekend..because I think my throw-out bearing is going out...I hear a little noise like a squeeky belt once in awhile now....Could this be anything else?.....(just happend today)
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super64 · Posted: Sun Mar 13, 2005 10:07 pm Post subject: noise

I would try that 1rst ,If you still hear it after that ...Mainshaft bearing ?

volksaddict · Samba Member Joined: August 19, 2003 Posts: 1724

Noise seems to stay the same whether it's driving or coasting, clutch in or out. I didn't get to jack it up and run it this weekend, I was painting my ghia. I'll see if I can try that this week.

Throwout bearing noise? Hell, I drive those till they fly apart!

Jeff Power · Posted: Mon Mar 14, 2005 6:12 am Post subject:

I have the same type of noise, but only in 4th, and only from about 35mph to 40mph on acceleration. Then it goes away. Also sometimes after long periods of 50mph or so it goes away completely. What the heck is that?
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KombiMonster · Posted: Mon Mar 14, 2005 10:03 am Post subject: Re: noise

busded · Posted: Mon Mar 14, 2005 4:32 pm Post subject:

Hey super64, Mine was making that noise and I just started having trouble with 4th gear slipping, mainly uphill. 3rd is starting to do it now too a little. Too late for my tranny?

KombiMonster · Posted: Tue Mar 15, 2005 10:37 pm Post subject:

ok..I pulled the motor out tonight and found my throw-out bearing being held on with only one clip! Shocked

...the other clip was in the starter cave...So I guess it wasn't too bad...the bearing showed some wear on the rim..so I'll be replacing it....
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Renato Assis · Posted: Sat Oct 19, 2013 3:30 pm Post subject:

Hi everyone.

Sorry for resurrecting this thread, but I have a similar problem.
Much like the case of the OP, the whine coming from the rear end of the bus starts at about 40mph and gets louder as speed increases.
If I push the cluth or lift off the gas the noise stops.
Is my mainshaft bearing doomed? Sad

BarryL · Posted: Sat Oct 19, 2013 7:01 pm Post subject:

I'm betting your ring and pinion is worn. Change the gear oil and you might add some silence.

telford dorr · Posted: Mon Oct 21, 2013 6:05 pm Post subject:

Sounds like chipped / broken teeth on the pinion gear... whines under any load.
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Renato Assis · Posted: Tue Oct 22, 2013 7:59 am Post subject:

Thanks for the reply guys!
I'll have my trans checked as soon as possible.

mandraks · Posted: Tue Oct 22, 2013 8:50 am Post subject:


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