T6 Multivan gunk under front doors. What would be causing this?

[jpr]

Hello,

T6 2018 Multivan going well. More recently have noticed the gunk in photos that appears to be coming from the front door drainage holes.

I have no idea what could be causing this, only vague suspicion I have is the window washer additive I'm using.

Any ideas on what might be causing this?

Cheers, JP

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[ian]

That looks more like road grime thrown up by your front wheels , Your mudflaps are too low should and look like rear ones that don't protect your paintwork .

[jpr]

Thanks Ian for the suggestion, a couple more pics of under the front doors and the drainage holes.

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[Tornado T5]

Is the grime more oily?

[JustCruisn]

The inside of the doors are sprayed with a waxy substance. Hot days melts the wax, add a bit of water some dust and you have this gunk.
Eventually it will stop. Pay particular attention to washing the lower part of the doors.

[jets]

Pay particular attention to washing the lower part of the doors.

VW have been doing this for years, my'01 T4 still has some of this preservative under the doors. I would only clean off the wax that offends the eye & leave the rest to protect the panel from any future rust. We are fortunate in Aust. to own vans that are built to a higher standard of rust protection that is needed in Europe's harsher climate.

[TheKiwi]

I have a 2016 T6 and as previously mentioned I'm of the same understanding it is part of the rust protection. It's like a wax and when it gets hot it melts runs out the bottom. It's a PITA if it gets into your sponge when washing.

[jpr]

Thanks all for the replies. Good to know it's nothing more serious.

Will clean up separately, seems to come off easy enough.

Cheers!

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