In heavy rain water somehow gets into my Mk2. There is no sign of it getting in through the door because no water builds up on the rubber mat. It can not be coming from the valence under the bonnet because that is completely covered. It's not coming from the heater because there is no coolant loss. The leak only ever happens on the drivers side. Does anyone have the same problem and have you found where it is coming from?

Regards

Phil

Take the battery out and check the condition of the battery tray, they are a common rust area on on these cars and tend to fill the drivers foot well when it rains

Thanks but I checked that and it is all fine and I have moved the battery to the boot so the mystery continues.

Regards

Phil

I have seen it in a few polos, but only a few, that the shell has rusted through around the fuel filler, and in heavy rain can pick up water through a floor/sill or even the fuel tank pipe area and leak to under the drivers seat/rear footwell

Window seals on the rear side windows?

Windscreen seal?

theres some sensible suggestions above

all you can do is dry it off and then drop the dash tray and door card etc , get inside with a torch and have a mate hosepipe the car , you will soon see where its dripping down

Windscreen seal?

sometimes the metal under rusts away in the bottom corners letting water it

Edited 19 November, 201510 yr by kiran_182

A new windscreen was fitted after painting and rust holes sorted. There is no rust around the fuel filler but I will double check. The side window is the same as the windscreen ; it was painted and rust sorted out. Water builds up in heavy rain and not after running through through puddles and I had looked under both sides of the car recently and saw no obvious holes where water would get in. Thanks for all your suggestions. I appreciate it.

Regards

Phil

have you looked at the door seal, sometimes they look fine but have flattened and allow water to seep in

Edited 19 November, 201510 yr by kiran_182

mine leaked from the door seal also, it was starting to fall apart at the bottom of the door so i removed it and shifted the whole thing anti clockwise by about 30cm and its solved the issue, no leak at the seam. the seal can be bought brand spanking new but i dont think you can buy it with the same pattern anymore

Nervous driver?

Only nervous driving through big puddles. I am going to take the seats and carpet out and use the hose pipe method. Thanks for all the suggestions. I really appreciate it.

Regards

Phil

I found I had water in the car drivers side as a result of the membrane behind the door card did not seal across the bottom which allowed water to run in from behind the door card. Door seal was fine but the water came in above it. External window seals are meant to let in a little water but mine were shot and needed to be replaced.

If you've got your carpets out, a tip I've been given is to put a line of talcum powder near where you think the leak is coming in. If water flows over it, it'll leave a trace.

The exterior door window seal isn't a seal, water will always drip off the window into the door. This then drips down into the bottom of the door and exits onto the outer sill. That is, as long as the membrane is intact behind the interior trim panel.

If the membrane has been torn open (to access the lock, window, fit a speaker etc) and not sealed back up, then the water drips onto the trim panel and subsequently drips from there down onto the carpet covering the inner sill, and into the floor pan.