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srod



Member Since: 20 Mar 2015
Location: Argyll
Posts: 190
Rattle - prop shaft, or not??
So I have this rattle from somewhere underneath, towards the front end when I accelerate hard through first and second and to a lesser extent, third. Also more noticeable when hill starting or driving uphill. Not massively worrying, but not right either. Started noticing it about 5k ago, not getting better or worse.

I was convinced it was something to do with the front prop shaft as greasing it seemed to make it get better, although I am not sure if I'm imagining the improvement Evil or Very Mad

Tonight I removed the front prop and took it for a drive - rattle gone. Put the prop back on, rattle back.

However: on inspection of the prop, both UJ and the shaft itself I can find no play whatsoever in any of the joints, and this is on the bench in a vice really going at it with a lever from every angle. The joints all move smoothly, it seems absolutely beautiful. Or am I missing something?

Does anyone have any suggestions as to what else it could be that is front-drive related and and tests I could do? Transfer box or front diff related maybe?

Thanks!
Post #477811 30th Nov 2015 10:03pm
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 2039
Netherlands 2003 Defender 90 Td5 PU Caledonian Blue
Are the flanges tight on the diff and transfer box?

I had a rattle on overrun for a while and also looked at the driveshafts and it happened to be the rear flang off the transferbox that had a little play. It was only visible with the handbrake drum attached with the drum off I knew it had to be there but hardly could see it. I tightend the nut and the rattle is gone. (for now Shocked ) Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts.
2003 90 Td5 (2009-now)
Post #477886 1st Dec 2015 8:22am
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srod



Member Since: 20 Mar 2015
Location: Argyll
Posts: 190
Thanks - that's got to be worth a look. Will check that and report back.

Just need to wait for a break in the weather, driveway has just turned into a small lake.
Post #477989 1st Dec 2015 3:00pm
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srod



Member Since: 20 Mar 2015
Location: Argyll
Posts: 190
To close the case on this...

Worn front shock absorber bushes, picked up at the MOT. Replaced and rattle gone!

And there I was about to rebuild the front diff Smile
Post #507976 25th Feb 2016 12:46pm
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