Originally Posted by
KenB
Dave is exactly right...
I just replaced my intake boot yesterday and found the same, the boot was cracked where both hoses underneath joined in and some oil was seeping out. New boot was less than $25 from AutohausAZ,
I was also going to replace bigger hose on the right side of boot but couldn't get to the clamp under the intake manifold, need to get at it from underneath on a lift I think.
It's doable if you disconnect your ICV and take it out with that hose attached. Mine was clamped onto the ICV with some sort of crimp clam that just wouldn't get off so I didn't touch it and removed the ICV with that hose attached.
I don't think going from underneath would be any easier.
2008 audi A3 1.9tdi
(former 1991 520i LPG)