It takes several seconds, 5-7 seconds normally before the fluid start coming out. What can be wrong?

Blockage limiting flow?
Crap pump?
Not sure.

Oh, rear wiper or front?

There is a delay on my rear wiper....new car tho so shouldn't be blocked or owt..

Hi again... I did "fix" the front washer with trying the rear one, looks like it needed suck some fluid to rear to get out some air pockets, dunno.. But now the rear washer doesnt work at all! It just makes some "click-click" sounds, like the waterhouse to rear is vibrating onto the metal somewhere in the front left side area.

Happy that the front washer has no delay though ;-)