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Stacey007

Member Since: 25 Sep 2015
Location: Cheshire
Posts: 3693

diff whining.. and noise when i lift off

Hello

Just been away in the Puma and it was loaded to the hilt

I don't use it much these days and noticed the diff is making more noise around 2 years ago.

Its definitely whining more and when I'm under power and lift off its sort of a 'screeching' sound (hard to explain not high pitched but a noise...)

My Question...

Is it worth getting a reconditioned Diff fitted now? or upgraded one? (cars on 106K now)

Is it likely to be the front diff or rear / or both?

I did just search my e-mails and did inquire about Ashcroft diffs 2 years ago...

Advice welcome, or will it just carry on....

2nd Aug 2022 11:03am

geobloke

Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4405

Hi Stacey007. Are you absolutely sure it is the diff and not the wheel bearings? It'd be a tad irritating if it were wheel bearings and you had forked out for two new diffs.

You could try taking the rear pro-shaft off and seeing/hearing if that changes the noise.

Noises like this are always a pain to pin down... could even be your transfer box for example.

2nd Aug 2022 11:39am

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 7687

2011 Defender 110 Puma 2.4 USW Stornoway Grey

try with props off, screeching could just be a UJ or wheel bearing as suggested above.

screaching is unsual for puma diff failure, a rumble yes in which case rear diff. Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop

2nd Aug 2022 12:20pm

Chris86

Member Since: 15 Jul 2014
Location: South Yorks
Posts: 755

In my experience, the short nose rear diffs on a 110 tend to sound like an old tram when they begin to wear, a bit rumbly under load then with a whine when coasting/over run.

First port of call for me would be to drop the oil from the diff and see if it's full of filings.

Chris

2nd Aug 2022 1:18pm

Stacey007

Member Since: 25 Sep 2015
Location: Cheshire
Posts: 3693

Some good advice.

I will see if I can get it checked, your right not having to spend on new diff(s) would be a bonus.

2nd Aug 2022 8:26pm

htb2

Member Since: 02 Nov 2018
Location: aberdeenshire
Posts: 510

Just changed my rear one at 250K, grumbling on drive and whining on over run.
05 TD5 with short nose diff.

2nd Aug 2022 10:01pm

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