My front screen washers work fine ,also the motor for the rear works but no water at the rear ,any common place to look ?

have a look at these two topics

 

http://www.briskoda.net/forums/topic/127065-rear-screen-washer-not-working/?hl=%2Brear+%2Bwasher+%2Bnot+%2Bworking#entry3502227

http://www.briskoda.net/forums/topic/93030-rear-washer-jet-issues-help/#entry1150674

Thanks will check it out in the morning

There are 4 places it could leak (or be disconnected) from: see this very useful post. http://www.briskoda.net/forums/topic/93030-rear-washer-jet-issues-help/?p=1150674 The most common place is number 2.