Vehicle & Technical > Discovery

Really annoying vibration...

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Range Rover Blues:
Support bush lives inside the rpop and fits over that spigot you found.

High UJ angle, well that's exactly what mine did too.  As they run in they inevitably become slightly oval.  If you then start running themn at higher angles you go out of the 'oval zone' and force them to start running in again, they don't seem to like it.

Top UJ, yes the G/Box end, the one doing all the work as the supension goes up and down.  The axle end hardly changes angle at all.

Diesels can missfire too, though you would notice a bit more.  I serioulsy doubt it's as flywheel problem unless your clutch plate has cracked.

Wheel balance, I had a weight come off the day after I'd hasd the wheels balanced.  Modern balance weights are rubbish.

Iain C:
OK thanks very much for the tips guys, problem is solved.  It was the gearbox end front prop UJ.

Good as it was cheap to fix, bad as it has done under 5000 miles since changing with only very easy off roading!  However if I cast my mind back I have a feeling I may have struggled with that UJ last time and possibly damaged something when I installed it.  The wear was not in the rotational plane, it was along the axis of two opposite sides of the spider, perhaps I did knacker the thrust bearing when I installed it.

I will change the doughnut at some stage though as it's not too clever, some small cracks are appearing, and am I right in saying next time I should put on a TD5 prop which has that funky double UJ thing, more able to cope with a 2" lift?

Ja1983:
the symptoms and the suspect i have just discovered....

...maybe thats why they are called a discovery?!  :lol:

Range Rover Blues:
TD5 prop is a good bit of kit for a lifted truck but to get the best from it you should fit castor correction at the same time.

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