Never ending s3 has another issue....

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Hello all...my s3 has now developed a strange issue an i dont have a clue what it is....

The story.

Car was fine.. i left it for 2 months on axle stands while i did some work on it....now driving it judders violently in reverse! and downshifting mainly 3rd-2nd.... clutch/flywheel/pressure plate/release bearing all new 1 year ago.

I have done 30mile an it still hasnt changed. Car drives fine apart from the bad judder!

When in reverse the front wheels shake almost as if it has a welded diff etc (experience from friends drifting)

Does anyone have an idea!? Im clueless with gearboxes! Sounds to me internal in gearbox maybe? Cant see what else it would be!?
 
Haldex/prop shaft maybe... I had a centre prop CV go... that was pretty juddery

<tuffty/>
 
When I had spent a long time working on the car on stands it was jumping about a bit for a few corners - with rear left locking up - I blamed this on the haldex oil draining into the wrong place due to the car being at an angle for a while.
 
So got under the car this morning..

Few photos of the propshaft in the centre were the rubber mount is. All feels pretty secure no massive amount of play in my opinion.

20171021 115358 3024x1701

20171021 115403 3024x1701


Did get a video of the front wheel shake as i try to reverse.. will try an post a link to that now..