Post #8
oliverharveyuk@hotmail.co.uk wrote:I think i'm getting the same issue after fitting a different door, how does the sheet inside direct the water? And where does it direct it?
In most cars there is a plastic membrane (sheet) that is attached to the inside of the door metal with cut outs for door handle, speakers etc. Doors with windows that raise or lower allow rainwater into the door, although the exterior strip along the bottom of the window diverts some of the water, it is not waterproof to allow the glass to move up and down. The remainder runs down the inside of the door and out the drainage holes at the bottom. The membrane simply stops this water getting into the inside of the car. To stop leaks make sure it is attached all the way around the edges and closely fits around any cutouts, and make sure it is not torn. Any decent plastic sheet can be used (e.g. as found at DIY shops), and attached with RTV or gaffer tape.
I have taken the door card off my Rallye but I can't remember what it looked like inside (i.e. whether there was a full membrane in addition to the foam bits in the pic above).
A tip: while you are in there lube the tracks the glass slides on and moving window bits with some lithium grease - excessive friction will cause electric window switches to burn out sooner. Flush any debris out of the bottom of the door and spray some wax in there to protect the metal.
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Cherry Rallye SOLD