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Go Back   E46Fanatics > Tuning & Tech > Driveline, Engine & DME Tuning

Driveline, Engine & DME Tuning
Talk about driveline improvements, NA tuning and DME tuning your E46 BMW here. This includes diffs, intakes, exhausts, chips, software and OBD tuning.

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Old 05-08-2013, 04:42 PM   #1
awszach
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Exclamation Help with block/cooling system hose

I have been going thru countless cooling system problems and fixes in the last 6 months non stop. I have learned with a lil help to do it all myself so far but now it is not looking good and i am hoping that community can help me out and get my beemer back on the road and my ass off the bus

It was running smooth until the cooling system failed (somewhere) again
what I think happened this time the affected area had gotten so hot that it could have cracked a hose or a spot in the block.

when i pour water in my expansion tank it fills until it reaches the upper radiator hose. when it begins flowing in thru the upper radiator hose it makes its way about a foot back into the system/hose and starts pouring/leaking out.

I have taken pictures zoomed out and as close as I can get to the area that is leaking.

At this point I think it is coming from the hose/connection/bolt that i am zooming in and highlighting in my pictures. to me it feels like a metal hose and at the same time i am not 100% that is excactly where the leak is

I have no idea what the "hose" is called or what it does. if it is even the "hose" where the leak is, as my grandpa also said it could have brought on a small crack in the block.

what i do know is how it leaks when i fill my expansion tank to capacity.

so guys if you can help me
1. get closer to figuring out what I am dealing with if not pinpoint excactly
2. what are my routes/options in fixing it.

thank you for your help in advance, I couldnt do it with outchya
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Old 05-08-2013, 04:44 PM   #2
awszach
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I also took this video to show the leak in action. you cant really hear or see the water pouring out/down that tube but its there
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Old 05-08-2013, 05:06 PM   #3
Mango
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your hard pipes are leaking. theres two of them and four seals. To replace them you need to remove the intake manifold. sounds like this is a job for your mechanic unless you know how to work on cars. Expect to take a day to do this
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Old 05-08-2013, 06:27 PM   #4
awszach
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Quote:
Originally Posted by Mango View Post
your hard pipes are leaking. theres two of them and four seals. To replace them you need to remove the intake manifold. sounds like this is a job for your mechanic unless you know how to work on cars. Expect to take a day to do this
from the looks of it i think its coming from the pipe above the other. this is the hard pipe. http://www.turnermotorsport.com/p-69...-bmw-part.aspx

when you say 4 seals im thinking 1 seal at each end of the 2 pipes.(than i think the leak could be the pipe itself, the seal, or the block)

"Mango knows" ill order that pipe and seal and put it on there if you think that is gonna do the trick? or at least step one (one step at a time right) did the video help? lol
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Old 05-10-2013, 06:16 AM   #5
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I think it would help a lot better if you cleaned the engine, allowed it to dry, then pour water again to spot the leak. The hard hose is plastic and as mentioned you need to take the intake manifold out to replace it, and it is still quite hard to do so.
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