Renault Laguna rear screen wash not working

Car: Renault Laguna
Variant: 1.8 tourer
Model Year: 2003
the front wash works fine but the rear does not work at all,i have fitted a new pump,but still the same,i disconnected the hose in the tailgate but nothing coming through,where would be the most likely place to be blocked or trapped
alan
Posted: Feb 8, 2011 (13 years ago)
check the washer pipe where it passes from body to tailgate inside the black rubber sleeve,it could be trapped or broken,if this is ok then you need to trace the washer pipe back where it runs behind headlining and check that the one way valve is`nt stuck
Posted Feb 8, 2011 (13 years ago)
There could well be gunge in the pipe near to where it comes from the tank or in a pipe junction where it splits to feed front and back
Posted Feb 8, 2011 (13 years ago)
where is the valve likely to be
alan
Posted Feb 8, 2011 (13 years ago)
they are normally located halfway along the headlining,will need to pull head lining down to have a look
Posted Feb 8, 2011 (13 years ago)
ok thanks for that,i will have a look tomorrow and let you know how i got on
alan
Posted Feb 8, 2011 (13 years ago)
i went into a renault dealer today to get a non-return valve and was told that there was,nt one for the rear wash?,i dont want to go to all the trouble of taking the headlining down and nothing there,could it be a blocked pipe
alan
Posted Feb 10, 2011 (13 years ago)
If it's a twin connection pump you could just swap the pipes around on the pump (for testing only) to see if the water comes out the back washer jet instead of the front, that will then tell you if the rear washer pipe and jet is clear.
Posted Feb 10, 2011 (13 years ago)

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