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Noisy ring and pinion in a kombi box?
pete wood - May 17th, 2005 at 02:54 PM

I've got a (recoed) 1800 box in my buggy, and i find the whine on the freeway quite uncomfortable.

does anyone else know what i mean?

Is there a way to damp this at all?
my baby daughter has one good ear, so taking her long distances in the car is not good for her hearing. Probably not all that good for mine either, so I've taken to wearing ear plgs when i have to go some distance.


HotRodMatt - May 17th, 2005 at 02:58 PM

You're running a subie with it right?

A higher powered engine has the tendency to push the pinion out.

Bolts thru the gearbox case and a plate "cage" can help to keep it all together when it wants to go west.


pete wood - May 17th, 2005 at 03:20 PM

yep with a subie,
is anyone else having this issue?

But matt, the box has always been noisy, right from when the car was first finished. So I don't think it's a wear thing. And i generally baby it too. Third is noisy at 70km/h, fourth gets noisy at about 95km/h, although it whiney down low too.


koolkarmakombi - May 17th, 2005 at 03:41 PM

might not be crown wheel or pinion, could be gearbox or carrier bearing...


do you have access to another tranny to swap it with?


pete wood - May 17th, 2005 at 03:49 PM

yep, but i'd rather not, gonna be a bitch to get the motor out.


MUD BASHING ANYONE ?? - May 19th, 2005 at 10:40 PM

Dude if you got that recoed and you have to wear ear plugs to stop hurting your ears from the noise i would be getting that box out and taking it to the guy that did the work and telling him to fix it and it had better be right this time.
Also your motor should not be hurting it unless you are trying to bag it up everywhere you go as a mate of mine ran a 300+kw rotor behind a kombi box it did fail but never just cruzing only when he took it to the drags and trying to blow everything off good luck

Tim


pete wood - May 20th, 2005 at 11:10 AM

I'll leave it for now. I'll have a chat with the mechanic, he's a mate anyway.


amazer - June 3rd, 2005 at 11:56 AM

Mine is noisy too. Comes in at about 50kmh, and goes away at about 70kmh (with kombi 14 inch wheels). Its either getting better as it runs itself in, or I am getting used to it.


Dero - June 3rd, 2005 at 12:14 PM

Thicker oil can help with noise... wheather this is the best option is another question all together...


pete wood - June 3rd, 2005 at 01:07 PM

Well, I not pulling it out at the mo anyway, so Maybe I'll change the oil and see how bad it is.

What sort of oil were you thinking Dero? it's already got the special Nulon gearbox stuff in it.


Dero - June 3rd, 2005 at 01:17 PM

Well im not a full bottle on oils, I would just try something that is a heavier weight then the stuff in there now. This can help dumb down play in bearings and slackness in backlash of gears, i think...

I had a datto with an extremly noisy box drove me insane, ran thinker oil in it and that helped till I got it rebuilt. It wont solve the problem.

I would only do it as a temporary measure though.