I HAVE A BLOCKED REAR WASHER, ITS THE PIPE RUNNING THROUGH THE ROOF LINEING, AS THE PIPE TAILGATE ONE IS OKAY AS I HAVE BLOWN COMPRESSED AIR THROUGH IT AND IT IS NOT BLOCKED, HAS ANYBODY HAD THIS PROBLEM AS I DO NOT REALLY WANT TO TAKE THE INNER ROOF LINEING OUT TO SEE WHAT IS BLOCKING IT, HAS ANYBODY GOT ANY SUGGESTIONS AS WHAT I COULD TRY MY CAR IS A HONDA CIVIC 1.6 2004 PLATE, I WOULD BE GREATFUL FOR ANY SENSIBLE SUGGESTIONS.

Gary Shaw, May 2009

I suspect these things - the washer jets - get blocked with limescale deposits especially in hard-water areas. I recently fixed my wife's car by putting a cup of Viakal limescale remover into the washer tank - took a couple of hours to work - then it blocked again and the next day it was fine.

Peccavi, May 2009