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Re: sunroof drain holes (archive)

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Posted by Phil Dupont on January 12, 2001 at 10:50:20:

In Reply to: Re: sunroof drain holes posted by Tim in Central Jersey on January 10, 2001 at 10:46:32:

I have the sunroof deflector on so I couldn't make them out without the flashlight. The H2O trick showed they work fine. I'm starting to think the PO left the sunroof open or a window open in the rain. My sunroof drains all work perfectly and my trunk is very tight, lid seal and rear lights. We had heavy rains the past 2 days and not a drop of water in the trunk or wet carpet behind the pilot's seat. With the amount of leaves I found when I first cleaned her out after purchase, I'm leaning toward the open sunroof thory. Keeping my fingers crossed.


Hey Phil-

As Brett A. stated, I've also had good luck pouring a glass of water into each of the holes to see if they're plugged. One piece of info I found out while doing this was that the 2 front drain holes connect into rubber hoses which eventually empty into the front rocker panels, which contain small dimples allowing them to 'leak' onto the street. IMHO, not the brightest design...talk about guaranteeing rocker panel rust out (as in the case w/ my car), but anyway--that's how they work. Good luck!

Tim
'87 535is
274K miles


Guys & gals,
can anyone tell me where exactly are the openings for the sunroof drain holes located? I looked for drain holes, but
couldn't find any. I tried to thread a bit of weed whacker line starting from the end of the
tubes, in order to find the opening in the sunroof bay, but it stopped after about 2 feet, on both
sides. So either they are plugged or the roof was blocking the line. I had the roof in the full open position, slid all the way back.

Shortly after I purchased the car I noticed the rear carpet on the driver side was pretty well soaked, so I'm hoping to find the cause.

TIA
Phil






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