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Judder judder
Posted: 24 Mar 2013, 13:27
by Technobadger
Hey guys
Our 1.6 td Cali has developed a knocking on full lock.
It is power steering, the rack and pipes where all new last year.
It has lost no fluid, and it only does it when we first start the van, there is also a knocking/ juddering on full lock that disappears after a few minutes.
Any thoughts welcomed
Re: Judder judder
Posted: 24 Mar 2013, 14:08
by CovKid
Wheels too much for the power steering? Seen it on cars.
Re: Judder judder
Posted: 24 Mar 2013, 15:32
by Technobadger
How do you mean ?
We have not changed wheels or tyres
Re: Judder judder
Posted: 24 Mar 2013, 15:42
by kevtherev
so they are standard VW wheels then?
Re: Judder judder
Posted: 24 Mar 2013, 18:03
by Technobadger
No they aren't
But they have been on it for a long time.
They are very light alloys
Do you guys reckon that hey could be the cause?
Re: Judder judder
Posted: 25 Mar 2013, 07:54
by billy739
is the noise defo from the front?
when you changed the rack /pipes can you prove the pump / fluid bottle were cleaned/flushed through including the filter being cleaned?
Re: Judder judder
Posted: 25 Mar 2013, 18:06
by Technobadger
No sorry I should have said
The noise comes from the back
I've checked the pump, and it's still bolted on.
The steering wheel kind of pulses as you approach full lock.
All this stop after a few minutes as if it where a lack of pressure on initial start up
Re: Judder judder
Posted: 25 Mar 2013, 22:20
by billy739
when you changed the rack /pipes can you prove the pump / fluid bottle were cleaned/flushed through including the filter being cleaned?
if this is not he case you need to do it , as it may have already damaged the new rack
Re: Judder judder
Posted: 27 Mar 2013, 19:20
by Technobadger
The fluid was all replaced when the rack and pipes went on.
However I didn't see a filter. Where will I find it ????
Re: Judder judder
Posted: 27 Mar 2013, 22:56
by billy739
filter is inside the resivoir
strip it down, hoping its still fitted of course!
wash it in some thinners/ petrol ect
system will need to be flushed through , not just drained/ replaced
Re: Judder judder
Posted: 28 Mar 2013, 19:02
by Technobadger
I'll give it a try
Re: Judder judder
Posted: 12 Apr 2013, 16:25
by Technobadger
It's the belt
With the engine running and the steering wheel turning the belt starts to slip under load
Phew
Cheers guys got there in the end, should open my eyes more.