OK this is what I can remember of the process (was a couple of days ago..). It now works I am pleased to say !
Fixing a non washing rear wash wipe (VW Golf mk4 5 door)
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NB My washer bottle was full (same supply for front and rear) - the front washed but not the back (wiped only). I mentioned this to the garage when it was in for a service and they noticed a "drip mark" in the rear near side (passenger side) C pillar (back pillar of the car). They didn't attempt to fix so thought I would have a go..
Tools:
T15 torx (parcel shelf rest)
10mm socket (parcel shelf rest)
11/16 socket (seatbelt mount)
1. Take out spare tyre / tools
2. Pull off the plastic trim at the back of the boot (about 6 clips, pull off carefully)
3. Take off the piece of roof headlining trim (by the rear hatch). Be careful..easy to snap tabs on it's end
![Surprise [:O]](/CS/emoticons/emotion-3.gif)
...best way is to pull it down in the middle (so it's arched) and pull out one of the sides, then the other IMHO. (and put it back like this afterwards)
Location of the clips, plus "tabs" at the end:
http://photos2.flickr.com/2900279_a15abf50d2_b.jpg
4. Pull away the rubber seal around hatch opening, plus where the rear door shuts
http://photos1.flickr.com/2900545_5c1af61c0e_b.jpg
5. Open side flap in the left hand side of boot (first aid kit storage)
6. Undo the 2 bolts holding the parcel shelf rest (using 10mm socket)
7. Undo the torx bolt that also holds the parcel shelf rest (probably tucked behind carpet)
http://photos1.flickr.com/2900273_4ca23a50c6_b.jpg
8. Undo the seatbelt bolt (flick up the plastic cover to get at it). Remove the bolt, pull the seatbelt out the way
9. Unclip the C pillar trim from the parcel shelf rest, pull parcel shelf rest out of the way (I did not remove completely, appears to be fixed by the back door / wheel arch)
10. Pull off the C pillar trim (carefully else you will snap the clips)
Location of the C pillar clips / fasteners:
http://photos1.flickr.com/2900275_cbf01b5161_b.jpg
11. Prise back the headlining to reveal the pipework, and hopefully where it has come apart...
http://photos1.flickr.com/2900278_693d52caf9_b.jpg
http://photos1.flickr.com/2900295_9d4bbe25d0_b.jpg
12. I stuck some (green) tape around it, which might stop it coming apart again, tho' they seemed to fit back snugly.
13. Reverse the above to put back together basically !
NB - My C pillar sound proofing / insulation was soggy, so left to dry for a day or two on a radiator.
NB2 - Be sure to put the trim around the seatbelt back correctly (see other side of the car if you need to). Don't want it chaffing I'd imagine...plus guess you should really have the correct torque when putting the bolt back...
NB3 - If you can't see the leak guess could get a willing assistant to squirt the washer whilst you look..but beware there are lots of wires tucked away in that C pillar...
Good Luck !