Another knock noise

dag019 · Sep 28, 2017

I am off to morocco next week in the 110 and have been servicing and replacing things over the summer in preparation. However it has now developed a knock/clunk noise at the very beginning of a journey. It only does it once and is then fine for the rest of the journey. But the first corner/bump there will be a clunk and then it does not happen again. This makes tracking it down virtually impossible. it sounds as if it may be from the rear, but i know this can be deceiving.
I have checked all of the shock bushes and they are fine. I am going to check the a frame bushes and ball joint but when I have had these fail in the past it is knocks every time you pull away.

In the last month (because the were a bit tired, not to try and solve this noise) I have fitted:
new radius arm bushes
new panrod bushes
new trailing arm bushes
new gearbox/transfer-box mounts
3xUJ's

Does anyone have any ideas of things to check?

Wimblowdriver · Sep 28, 2017

Handbrake drum or brake pads sticking, and releasing with a clunk when you first set off? I have had this on some cars especially during damp weather and after standing for a few days.

mojo247 · Sep 28, 2017

ditto

chris-the-gerbil · Sep 28, 2017

Handbrake almost certainly as others have said. Try parking in gear and with the brake off and chock the wheel if safe and see if it doesn't do it the next morning.

dag019 · Sep 28, 2017

I have an x-eng hand brake disc brake conversion if that makes any difference. That has also just been stripped cleaned and had new pads fitted when I fitted a recon transfer box last month.

Oldseadog · Sep 28, 2017

Does it happen when you engage or change gear as you start off, or is it a constant knoch as you begin driving?
Have you changed the head gasket and valve stem seals?
The clutch return spring might need adjusting to compensate for the lack of a full swing wiper action!
Is the 710 OK?
How long have you been a Land Roverer and a Tratterer?
Is your inside leg measurement sufficient to cover the distance between your arse and your ankle?
All wil be revealed if you truthfully understand and respond to line one!

Wimblowdriver · Sep 28, 2017

Oldseadog said:
Is the 710 OK?

Only if you check it when you are upside down.

dag019 · Sep 28, 2017

710 is all about to be changed in preperation for the trip, so that can be ruled out.

It does not happen when you change gear of first engage it, it is after driving a little bit (less than 100m) and there is only a single knock/clunk. and it then does not happen again.

Oldseadog · Sep 29, 2017

That sounds like it is possibly diff wind-up.
Are you running with diff lock unwittingly engaged?
Try moving from high to low and in and out of diff lock, and see if that makes any difference.

dag019 · Sep 29, 2017

Oldseadog said:
Are you running with diff lock unwittingly engaged?

It is definitely not in diff lock, wiggled the lever around and it engages and disengages and the light even comes on! I have also jacked a wheel and it spins freely. so i do not think that is the problem.

Another knock noise

dag019

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Wimblowdriver

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mojo247

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chris-the-gerbil

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dag019

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Oldseadog

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Wimblowdriver

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dag019

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Oldseadog

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dag019

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