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The Hulk



Member Since: 13 Apr 2016
Location: Aberdeenshire
Posts: 81

Scotland 1997 Defender 110 300 Tdi HT Aintree Green
Chirping like a nest full of hungry chicks!
My GF's 90 (300TDi) is making a very strange noise when on the move and under load. It can only be described as a chirping noise related to road speed but a much higher frequency than the revolution of the road wheels. By 30mph it sounds like a trimphone and it appears to be coming from everywhere!! It's not there at constant speed or on the over-run.

I suspect it's one of the UJs on the shafts coming from the transfer box but would appreciate any other thoughts. I've seen threads about clunking UJs but this isn't a harsh mechanical sound. It's very distinct (and very loud) but it doesn't sound 'heavy' so I don't think it's too serious. Mid Life; Live It!

Ongoing thread: http://www.defender2.net/forum/topic45697.html
110 300Tdi Utility (Hulk)
90 300Tdi SW (GF's Tank)
Post #534463 25th May 2016 8:32am
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Mo Murphy



Member Since: 01 Jun 2008
Location: Letchworth Garden City, Herts
Posts: 2227

United Kingdom 1984 Defender 90 BMW M57 3.0 Diesel HT Auto Pennine Grey
The clunking comes later if you ignore the chirping from the UJ.
HTH
Mo The Land Rover 90 - Many are called, few are chosen.

50 Shades of Pennine Grey
Post #534465 25th May 2016 8:37am
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Stacey007



Member Since: 25 Sep 2015
Location: Cheshire
Posts: 3748

United Kingdom 
Hello


I can only go off my noise, I had two...


1) a ping when moving slowly in forward and reverse.
2) A Rattle in 1st 2nd and 3rd, generally under power or when you lift off the accelerator. Sounded like a heat shield?


Both apparently were down to a worn rear prop shaft joint, £38 part plus fitting.

I've not collected car yet but will report back once driven Smile
Post #534481 25th May 2016 9:01am
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jaygti



Member Since: 04 Nov 2012
Location: essex
Posts: 377

United Kingdom 2002 Defender 90 Td5 HT Epsom Green
It's almost definitely a U/J.

If it is it is serious!

I would take the prop off, and drive with diff lock on until it's changed.
If it goes completely the prop will bang about damaging everything it hits.

Ahem.. I speak from experience here.

If the front one goes it could enter the cabin by you feet , although I've never seen a picture of it , so it might just be an old wives tale.
It's easy to check, just lay underneath a wobble the prop if there's any up or down, or side to side movement then it's had it.

It's also easy to change. The first time it takes ages, but once you've done it, it's an easy 1/2hr job. Or you could just replace the whole prop as they're quite cheap. 2002 td5 90 county hardtop
Post #534496 25th May 2016 9:58am
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Stacey007



Member Since: 25 Sep 2015
Location: Cheshire
Posts: 3748

United Kingdom 
Mine was this on the rear of the prop the bearing had started coming lose and generally it looks ca broken Smile






Look forward to driving it with out it rattling Smile
Post #534498 25th May 2016 10:17am
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huffhuff



Member Since: 05 May 2016
Location: Home Counties
Posts: 379

United Kingdom 2001 Defender 90 Td5 HT Java Black
Sounds like a prop UJ.

When replacing, spend a few quid more and get a decent make (GNK or hardy spicer) with grease nipple. It might also be a good idea to get under and measure the UJ across the spider from cup-to-cup to ensure you get the right size UJ. Twice (I know, I know) I ordered what the system told me should have been on my 90 but twice it/I was wrong.
Post #534509 25th May 2016 11:10am
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Stacey007



Member Since: 25 Sep 2015
Location: Cheshire
Posts: 3748

United Kingdom 
^ How long should these last on normal use?

Assuming this cars on its first I'm happy with that... cheap to fix also
Post #534553 25th May 2016 12:54pm
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jaygti



Member Since: 04 Nov 2012
Location: essex
Posts: 377

United Kingdom 2002 Defender 90 Td5 HT Epsom Green
If they're greased regularly especially after wading they will last ages.
If you have a 2 " lift they will last a lot less though.
There's no set amount , but between 25,000 to 60,000 miles at a guess. 2002 td5 90 county hardtop
Post #534556 25th May 2016 1:03pm
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huffhuff



Member Since: 05 May 2016
Location: Home Counties
Posts: 379

United Kingdom 2001 Defender 90 Td5 HT Java Black
Stacey007 wrote:
^ How long should these last on normal use?

Assuming this cars on its first I'm happy with that... cheap to fix also


I put a cheap £6 jobby on, lasted 3 months (no off-road, just driving 12 mile round trip 5 days a week)

If you buy decent to start and regularly grease, it will last you a long time...
Post #534614 25th May 2016 4:57pm
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The Hulk



Member Since: 13 Apr 2016
Location: Aberdeenshire
Posts: 81

Scotland 1997 Defender 110 300 Tdi HT Aintree Green
Ok so here's what we've got.

This is the transfer box end of the front propshaft with some very obvious play in the UJ


Click image to enlarge



Closer inspection shows the bearings visible on one joint


Click image to enlarge



But there's something suspicious about the other side of the joint. Am I imagining it or is there a gap that shouldn't be there, and no bearings where there should be?


Click image to enlarge


Answers on a postcard please.

In the meantime, I have engaged diff lock so my GF has an somewhat unusual RWD 90 Shocked But the birds nest has disappeared Thumbs Up Mid Life; Live It!

Ongoing thread: http://www.defender2.net/forum/topic45697.html
110 300Tdi Utility (Hulk)
90 300Tdi SW (GF's Tank)
Post #534652 25th May 2016 7:21pm
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huffhuff



Member Since: 05 May 2016
Location: Home Counties
Posts: 379

United Kingdom 2001 Defender 90 Td5 HT Java Black
Roller/pin bearings gone AWOL due to traversing slack/play?!?

Smile
Post #534657 25th May 2016 7:29pm
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