Vehicle & Technical > Discovery
Vibration..
Eeyore:
Going to have to disagree here, but a wide yolk prop won't make any difference. They're designed to work through a greater angle before binding (and arguebly tolerate greater torque) - they still wear at the same rate as any other conventional prop, so any fix a wide-yolker would proide would only temporary, I'm afraid. :(
Double-cardan is the way to go if it's the prop that is causing the proble, but considering the probelm wasn't noticed before the QT arms were fitted it would point heavily at the prop being the issue. A DC prop will halve the working angles of the working bits and this increases lifespan by severel orders of magnitude - it also irons out some of the impulse loads which is very important on diesels! Again it all helps to make the UJs last a lot longer.
Whatever you do - don't go to a general LR shop and buy one - go to a specialist prop builder like Propshaft Clinic or Dave Mac Propshafts. You can potentially save a small fortune! Having said that Devon 4x4 are fairly reasonable for props, but they still can't beat the specialists.
Hope this helps
8)
Eeyore
Iain C:
Agreed, probably the prop. I bought my Disco 9 months ago with a knackered front prop, changed it, all was quiet. Lifted it 2" and my prop UJs were shot again in under 2000 miles, symptoms very similar to what you describe.
However, I may have fitted the UJ incorrectly the first time and knackered the thing... :oops:
Eeyore:
To be fair, you probably haven't. I've lost UJ's in less than 600 miles on a lifted vehicle (but I was trying! :wink: ). I've had a DC prop on for about 30k miles and haven't heard a thing from it.
.....well, the mounting bolts keep working loose, but LR props seem to do that! :lol:
Cheers
8)
Eeyore
lee celtic:
Try taking the props off rotate them 180 deg and put them back on might just be a balance thing
remember cheapest option first = spare beer tokens. :D
NY4x4:
--- Quote from: "lee celtic" ---Try taking the props off rotate them 180 deg and put them back on might just be a balance thing
remember cheapest option first = spare beer tokens. :D
--- End quote ---
Sounds good to me... :wink: :lol:
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