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Car Forum / BMW Cars / April 2004water leaking into boot
hi, I've got a 318is 1991 E-30. Recently the right sump in the boot fills with water whenever it rains, even when I'm not driving. Any ideas? > hi, > I've got a 318is 1991 E-30. Recently the right sump in the boot fills with > water whenever it rains, even when I'm not driving. Any ideas? A common problem area is around the rear lights. After a rain or hose test, see if the lenses fill up with water. Sometimes the leak is impossible to see, like when the plastic shrinks a little along the seems. On my 87 I could not find the source, but drilling a tiny hole in the bottom of the lense fixed the problem. Thanks for you thoughts, I cant see any water leakage around the lights but I will cover the boot in toilet paper next time it rains to find out the source. Thanks > > hi, > > I've got a 318is 1991 E-30. Recently the right sump in the boot fills with [quoted text clipped - 5 lines] > could not find the source, but drilling a tiny hole in the bottom of the > lense fixed the problem. > Thanks for you thoughts, I cant see any water leakage around the lights > but I will cover the boot in toilet paper next time it rains to find out > the source. Best way is to climb inside with a torch and get someone to play a hose on it. But make sure they're a *good* friend.  Signature*Horn broken. - Watch for finger. Dave Plowman dave.sound@argonet.co.uk London SW 12 RIP Acorn Hi Dave, I tried this method before, and unfortunately my (and I think most) leaks are not visible this way unless you have a major seal failure. The "leak" is actually a slow seeping process - very hard to detect this way. As I said, most boot leaks I've seen come from around the rear lens seals, AND from tiny separations in the lens itself. The best check is to see if there is any water accumulation or moisture inside the lenses after a car wash. Cheers > > Thanks for you thoughts, I cant see any water leakage around the lights > > but I will cover the boot in toilet paper next time it rains to find out > > the source. > > Best way is to climb inside with a torch and get someone to play a hose on > it. But make sure they're a *good* friend. found this link: http://www.totalbmwmag.co.uk/Pages/Tech.html >> hi, >> I've got a 318is 1991 E-30. Recently the right sump in the boot fills with [quoted text clipped - 5 lines] >could not find the source, but drilling a tiny hole in the bottom of the >lense fixed the problem. cheers mark mcr www.koalamotorsport.com under "complimentary repair instructions" for E30 Brett Anderson KMS www.bmwgears.com > hi, > I've got a 318is 1991 E-30. Recently the right sump in the boot fills with > water whenever it rains, even when I'm not driving. Any ideas? > www.koalamotorsport.com under "complimentary repair instructions" for E30 How about a wet driver's footwell? -Russ. > > www.koalamotorsport.com under "complimentary repair instructions" for E30 > > How about a wet driver's footwell? > > -Russ. Usually a blocked sill drain. Sunroof drains into sill. Sill is open to the inside of the car at several points. If sill drains are blocked (often deliberatly by "rust proofers"), the water will build up and spill into the car. Brett Anderson KMS www.bmw-stuff.com After careful thought and consideration robby typed: > hi, > I've got a 318is 1991 E-30. Recently the right sump in the boot fills > with water whenever it rains, even when I'm not driving. Any ideas? Put talc powder around the seals, and lights. This will, when it leaks, leave a trail of water in the talc powder, thus making it easy to spot where the leak is coming from. > After careful thought and consideration robby typed: > > hi, [quoted text clipped - 4 lines] > leave a trail of water in the talc powder, thus making it easy to spot where > the leak is coming from. Good idea, but this will only indicate the point of ingress into the trunk, but since water will travel along different paths, it may not pinpoint the location of the leak at the exterior. Asuming I can find the entry point, what's the best way of sealing it? cheers mark mcr >> Put talc powder around the seals, and lights. This will, when it leaks, >> leave a trail of water in the talc powder, thus making it easy to spot [quoted text clipped - 4 lines] >but since water will travel along different paths, it may not pinpoint the >location of the leak at the exterior. |
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