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DIY: Do It Yourself
Post here to share or improve your wrench turning skills! All BMW E46 DIY tips, tales, and projects discussed inside. Learn to work on your car and know the right BMW parts you will need!

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Old 03-10-2008, 03:59 PM   #1
sstainba
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Leaking washer fluid resevoir?

About 2 months ago I noticed my washer fluid light was on. I put more in. Two days later I was out again. I figured I had a leak. So last weekend I took out the resevoir but couldn't find any holes. It looked like maybe the pump was not sealed well. So I put some caulk on it and filled it back up. It lasted a little over a week until it was empty again. Anyone else had this type of thing happen? Obviously it's not serious... it's just annoying. Open to suggestions.

Sam.
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Old 03-10-2008, 06:05 PM   #2
cjccww
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The exact same thing is happening to me. Took it apart and nothings cracked or broken, Ive just started carrying some windshield washer in a spray bottle in the trunk. some one has to know how to fix this.
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Old 03-10-2008, 06:09 PM   #3
e30m3izzle
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hey guys i am doing my controla rms today and i have the same problem.

I took out the washer fluid reservoir ( very easy) just remove 10mm nut from the top its a bracket. then just pull it out. you need to undo (2) clips and the line that feeds fluid. that connection just twists off. mine is leaking from the connection to the pump looking thing on the reservoir. i plan to apply some silicon around that area. it is around the pump area you just need to seal it better
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Old 03-10-2008, 09:43 PM   #4
sstainba
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Quote:
Originally Posted by e30m3izzle View Post
hey guys i am doing my controla rms today and i have the same problem.

I took out the washer fluid reservoir ( very easy) just remove 10mm nut from the top its a bracket. then just pull it out. you need to undo (2) clips and the line that feeds fluid. that connection just twists off. mine is leaking from the connection to the pump looking thing on the reservoir. i plan to apply some silicon around that area. it is around the pump area you just need to seal it better
guess you didn't read my post... i did that. it lasted a few more days, but it's still leaking.
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Old 03-11-2008, 12:12 AM   #5
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hmm, interesting, mine is leaking too, im gonna order a new pump and gasket.

i cant be bothered with the trial and error.
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Old 03-11-2008, 10:05 AM   #6
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If you have headlight washers, there are two pumps. The rear one (behind the tank) does the windshield, the front one does the headlights. I've had the front system leak on both E46s and since the headlight washer uses such a huge amount of fluid for little benefit, I disconnected the pumps electrically (pull the connector) and at the hose. I used a short piece of PEX tube with a stopper at one end, with crimp clamps at each end. Fixed that leak right up.

If it is the main pump at the back that is leaking, be sure it is seated all the way down in the tank. You may also need to replace the gasket. Otherwise, could be a hose or fitting.

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Old 03-11-2008, 10:28 AM   #7
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^ you lost me. whats PEX tube?
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Old 03-11-2008, 10:36 AM   #8
madchef
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I had the same problem, after much looking around it turned out that: since I like to drive with my running lights + fogs on during the day, the headlight washers were coming on all the time and ripping through my reservoir. It's nuts how much it uses.
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Old 03-11-2008, 02:48 PM   #9
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PEX tubing is the stuff houses are plumbed with (plastic plumbing). 1/2" fits perfectly over the outlet stub that comes out of the pump, and the standard crimp clamp tightens it right down. Then on the other end crimp on a stopper fitting and you're done.

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Old 03-11-2008, 06:51 PM   #10
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not sure im understanding as ive never taken it off.
but basically youre saying if i buy some PEX and a clamp i can fix it?
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Old 03-11-2008, 11:39 PM   #11
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I had the same problem, I tried filling the little hole on the washer fluid pump (where the water was leaking) which did nothing. I bought a new pump, installed it and filled the reservoir and the problem was gone. The odd part was that when it was leaking it was not just coming out, it would leak here and there over the course of a few days.
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Old 03-12-2008, 12:15 PM   #12
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mine is straight up just leaking, so i was gonna buy a new pump, then not, now im wondering if i should just buy a new pump again.
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Old 03-12-2008, 02:18 PM   #13
sstainba
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i think i'm just gonna goop on a bunch of silicone and see what happens.
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Old 03-13-2008, 12:12 PM   #14
MagnuM45
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I had this EXACT problem about a month ago.

I ordered a pump off ebay and it fixed the problem (With shipping it was around $38ish I believe from seller a2eurotec, but there are cheaper ones now). The issue is that OEM pumps have a bleed hole on the side (square shaped), so when the internal seals go bad, it continually bleeds out of the hole. I replaced mine with a non-OEM pump, which doesn't have the bleed hole and that fixed the problem right up. I suppose you could change the little seal that the pump goes into, but mine didn't have any issues.

Of course, remove your reservoir prior to replacement to check things out.
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Old 03-13-2008, 12:51 PM   #15
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i can get a OE pump and gasket for $38 shipped.
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Old 03-13-2008, 12:55 PM   #16
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The o-ring on the windshield washer pump has deteriorated. This happened to me a few months ago and i tried a cheap fix with clear silicone; it held for 3 months. I'm going to be buying a new windshield washer pump. Sells on ebay for about $18 shipped.
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Old 03-13-2008, 12:57 PM   #17
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are they E46 specific?
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^^^ do you spend all your free time on two wheels?
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Old 03-13-2008, 01:05 PM   #18
silentak1
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Yep.

Correction, $16.99 w/ free shipping. 8 days left!

eBay item 140214891959
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Old 03-13-2008, 01:06 PM   #19
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found it.
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^^^ do you spend all your free time on two wheels?
______________________________________
The Snikster posted sexy wiminz here
Do you ride a sportbike?
Do you have a question about Jamaica? Ask?
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Old 03-13-2008, 01:07 PM   #20
Snik
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oh, didn see that one, that one is the washer AND the pump. thanks
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