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Old 05-20-2013, 09:28 PM   #19
nieuwhzn
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Join Date: Nov 2010
Location: Long Island, NY
Posts: 296
Garage
What about just leaving the car running with the AC on (and top up of course) for a couple of hours?

Many cars have drains, not only convertibles. Cars with sunroofs usually have a tray around the sunroof since it is pretty much impossible to make it watertight. There are drains running from the back and front of the tray to somewhere below the car. Unfortunately most car manufacturers use way too small diameter drain lines. This means that they get clogged easily but also are difficult to unclog.

What I found helps a lot is to flush the drains with a Dawn solution a couple of times a year. Nice stuff Dawn! Great for unclogging drains, stripping wax and clay barring, just dissolves your hands so wear latex or nitrile gloves.
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