L322 rear screen washer vlave

[Johnspex]

Good Evening

Can anyone tell me where the non-return valve is for the rear screen washer on a 03 L322, please?

[Cpt Stirling]

It’s behind the internal plastic trim at the top of the upper tailgate. This is where the rear wiper motor is and the one way valve is nearby.

[Johnspex]

Thank you.