Vehicle & Technical > Discovery

Remove propshaft?

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jnoshea:
My 300Tdi has developed a vibration which is getting worse. I was thinking of taking off the front propshaft to narrow it down a bit. Is it ok to drive around the block a bit with the propshaft off? At least then I should be able to see if it's coming from the front or rear of the system.

In terms of the vibration itself, it is only under power (i.e. much less when cruising). There is a very noticeable 'single' shudder when taking up the drive from a standing start. It is definately worst at 2000rpm in 3rd (around 30mph) but also if the revs are a little too low in 4th you can almost hear a growning sound. Basically accelerating hard feels like something is about to break.

Cheers

Budgie:
You can remove the front, or rear, propshaft and drive the vehicle normally with the difflock engauged.  :wink:

Check for play in the U/Js, once you've removed the propshafts and also check for cracks in the rubber U/J on the rear propshaft. Also make sure there's no play in the centre splines of the props and that they move in & out smoothly.

Range Rover Blues:
Jamie, sounds to me like a UJ is on it's way out.

Budgie is perfectly right, on your motor you can safely drive round on 2WD indefinitely as long as you remeber the car might handle differently in the wet.

jnoshea:
Thanks guys. That's my weekend sorted  :D

jnoshea:
Well I got under the truck this afternoon. There is some lateral movement in the front propshaft UJ, but much more noticeable is that I can rotate the propshaft by a good 10 degrees. I don't know how much (if any) slack there should be, any ideas?

When I rotate the front prop, it obviously turns the gears a bit in both the transfer box and the front diff. Also, when turning it I can here a click near the hub. I'm not sure if this is normal as I guess this means the slack is somewhere near the front wheel hub. I know almost nothing about the drivetrain as you can tell, since nothing has ever gone wrong in this department before  :D

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