Reducing rear axle whine.
Reducing rear axle whine.
Author
Discussion

Scoodle

Original Poster:

4 posts

206 months

Saturday 22nd November 2008
quotequote all
I have a 2WD Mazda Bongo which has developed a rear diff whine due to the previous owner not keeping a tab on the oil level...

I know that a repair is on the cards for the future, but since axles will keep on going for many a year, I was hoping to find some way of reducing the noise to delay the inevitable by a year or so.

I'm not expecting miracle cures - and I certainly ain't going to be chucking sawdust in there... - but I was hoping someone might have some possible solutions that could reduce the noise a bit (it isn't dreadful at the mo', just annoying).

The only thread I've found on here along this line had a reply by Jaguar Steve, and he suggested one of the ideas I was considering - using a thicker oil such as 85W-140 instead of the standard SAE 90.

I'm happy to try this, perhaps along with an additive. Dies anyone have any genuinely useful results from using an additive in this situation?

Any other ideas would also be welcome.

Thanks.

HRG

72,863 posts

260 months

Saturday 22nd November 2008
quotequote all
Molyslip if you can still get it. It contains graphite which helps to lube the gears.

stevieturbo

17,916 posts

268 months

Saturday 22nd November 2008
quotequote all
But if its knackered....its knackered.

Scoodle

Original Poster:

4 posts

206 months

Sunday 23rd November 2008
quotequote all
Thanks, all.

Yes, I know it's knackered! However, it is only 'just' knackered, and they will go on for ever even like this - although the noise would soon drive you nuts...

I'm looking to simply delay the inevitable for 6 months or so, by making it tolerable to drive for that time.

Yes, I've heard of Molyslip - I was hoping someone would have some actual experience of using it in this kind of situation?

Cheers.

HRG

72,863 posts

260 months

Monday 24th November 2008
quotequote all
I've used it, it helps, but it can't repair a shafted diff biggrin

Scoodle

Original Poster:

4 posts

206 months

Tuesday 25th November 2008
quotequote all
Hh ha! Cheers!

ScoobieWRX

4,863 posts

247 months

Tuesday 25th November 2008
quotequote all
Try Redline heavy shockproof gear oil. If you haven't got an LSD you can use this stuff. It's helping bigtime with my gearbox. It was giving serious problems, not any more. It will cut down on noise and save your diff for a good while yet.

You just have to make sure your old oil is nice and hot before you drain just to make sure all the oil drains out and diff is as clean as poss, then fill it with heavy shockproof as you can't mix this stuff.

Not cheap but well worth it IMHO!!

fatjon

2,298 posts

234 months

Tuesday 25th November 2008
quotequote all
Take out the level plug, shove in a couple of good handfulls of saw dust, replace plug. Problem solved for a few weeks, but start saving up as once even this stops working you know its really £"%$£ed.


Scoodle

Original Poster:

4 posts

206 months

Tuesday 25th November 2008
quotequote all
Thanks, Scooby - I had heard of Redline, but it's good to hear an actual recommendation.

Fatjon - read my OP...!

rev-erend

21,596 posts

305 months

Tuesday 25th November 2008
quotequote all
No.. there are all wrong.

Bit of MDF saw dust .. and pop it on Ebay

roflbiggrin

Serious pince of salt with above post evil

That Daddy

19,284 posts

242 months

Thursday 27th November 2008
quotequote all
Banana skins wink no i have not tried it,might be worth a try if the other methods dont bare fruit thoughlaugh