Diff Whine caused by Polybushes

[peterjfox69]

Just a thought,
by having polybushes fitted to the whole car on the advice of Stag specialists does that then open the door to endless bags of cash being lobbed into the said Stag as diff whine is caused by the said polybushes?
am I being taken for a bit of a ride here or are polybushes the way to go for a much better ride but because the diff is an old design it can’t handle the polybushes you have to suck it up and drop cash on a new recon diff with a modified crown/pinion?

[mike@thenook]

I can’t see any way that polybushes would cause a diff to whine, that is normally caused by worn gearing/bearings in the diff.

[DJT]

As posted on your other thread on this topic.

Polybushes won't have caused problems with the diff. Some poly bushes are quite hard and they accentuate any existing diff noises through the chassis. Voided diff support poly bushes were developed to counter this problem. Only your supplier will know if they fitted solid or voided bushes.

[new to this]

Never had a problem with poly bushes,you must have wear in your diff

[stag8manod]

Not any problems with poly bushes, just the opposite, handles like on rails and no extra noises.
Cheers Ian A

[Phil S]

The noise was there beforehand perhaps you are hearing it now as other noises have been reduced

[Dean]

How olds your diff , I never had any issues with mine until I had a zf box fitted then I started to notice it , nothing to do with the zf it’s just quieter so I noticed it more , I have poly bushes can’t see how they can make a diff whine , just changed my diff and it looked original surprised it lasted