disco judders like mad when hot

alex8882 · Sep 2, 2010

Hi all i've got a 1994 300 tdi manual. At late when you have been driving for alittle while, or a motorway run, she will sometimes judder when you set in first from the lights or junction. Its not always, but can get so bad that the only way it will move is ti slip the clutch. Otherwise you get alot of bouncing,shaking and juddering, and very little to no movement. Like i said thou, only when hot, and not all the time. I have changed the clutch about 2-3 months ago, as that ripped itself apart.
Cheers all
alex

robint · Sep 2, 2010

do a simple test and check your uj,s on both props first

bigrichsri · Sep 2, 2010

I take it when you say juddering, you mean engine juddering as if it wants to die? Rather than a bolloxed prop shaft or diff?

alex8882 · Sep 2, 2010

I surpose its like trying to set off in to high a gear. Except its in first. Also, since this has started, when you clutch in to change from 1st to 2nd, or if you clutch in to stop, there is a clunk from the front end. The clutch that i fitted was a borg and beck, kit. Also checked the fork, and found that to be new and renforced.

alex8882 · Sep 3, 2010

Ok so have checked the uj's, all look to be solid and sound

thebiglad · Sep 3, 2010

So just to be clear, you get the engine well warmed-up, you come to some traffic lights, stop with the engione running and it is juddering? Is the gearbox in neutral with the clutch disengaged at this time? If it is, then I don't see how it can have anything to do with transmission components, it must be engine.

Cheers
Dave

alex8882 · Sep 3, 2010

No sorry to confuse lol. When you set off in first the car judders. Its like your trying to pull away in 3rd. It only does this after say about 30miles or so. The gears aren't hard to engage when warm niether when its cold. When you set off, from cold no judder. Once warmed up and you pull off at the lights/junction, then it really starts to judder.

thebiglad · Sep 3, 2010

alex8882 said:
No sorry to confuse lol. When you set off in first the car judders. Its like your trying to pull away in 3rd. It only does this after say about 30miles or so. The gears aren't hard to engage when warm niether when its cold. When you set off, from cold no judder. Once warmed up and you pull off at the lights/junction, then it really starts to judder.

Sounds a bit like an oil-contaminated clutch to me

alex8882 · Sep 3, 2010

So possible rear crank seal then. There was alittle oil in the bell housing, but assumed it had gotten in there from the rocker box, as that was lkeaking and dripping onto the housing. So i'm looking at another new clutch, and crank seal then. plus another day under the disco lol

disco judders like mad when hot

alex8882

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