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  #1  
Old 07-20-2015, 11:45 AM
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Leaking green slimey fluid

Came out to the garage this morning and noticed the car leaking green slimey fluid. It is leaking from the front corner under the passenger side running board just behind the passenger side front tire. A slow drip, I smelled it, no odor. The substance is more slimey than it is oily and no distinctive smell. I looked under the hood and didn't see anything leaking or dripping. The only thing I saw on the passenger side fire wall is the reservoir for the windshield washer fluid. I started the car with no warnings lights or fluid low warnings. Anyone have an idea as to what it can be ? Any input would be appreciated.
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  #2  
Old 07-20-2015, 01:20 PM
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It's either the windshield washer fluid or the trust arm bushing (which is filled with hydraulic oil)... Been there, had to do both...

Check the trust arm in the inner bushing. Is the big knuckle "thinghy"... Here's a pix (not an X5, but same difference)...



If that's not it, then is the washer fluid. The pumps crack and leak. Royal PITA to replace... But we'll cross that bridge if we have to.

Report back and we'll take it from there...
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  #3  
Old 07-20-2015, 02:10 PM
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I'll definitely give it a look when I get home tonite. Thanks for the suggestions zetatre !
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  #4  
Old 07-20-2015, 07:24 PM
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Bushings look good. . . I did leave a cup to catch the leak and it looks like wiper fluid. Would replacing the wiper fluid reservoir be a dyi job ? Anyone have experience with replacing one ?
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  #5  
Old 07-21-2015, 01:34 AM
ard ard is online now
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My first thought?


Who ya gonna call????




Everything is a "DIY job"...depends on who the Y is. But Im going to guess it would be fairly easy.
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Old 07-21-2015, 01:12 PM
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Normally the issue is not the tank which would actually be even a greater PITA to replace since it requires the removal of the whole fender.

What cracks are the pump. There's 3 of them (front, rear and headlight). The headlight's is different style being high pressure and it's mounted upper in the tank (it draws quite a bit of fluid when it runs and being higher up avoids the headlight to dry the tank empty, leaving you the ability to at least wash the windshield). That pump is normally fine

The two smaller pump for front and read crack. They leak down towards the bottom where they plug into the tank.

To get there you need to remove the wheel well cover. There's several bolts, and plastic rivets that hold the fender liner, you'll have to loosen the running board. Eventually you get there and you need small hands to crawl in and unplug the pump. If you don't have small hands then you have to release the bolts holding the fender. It's plastic so it flexes a bit without running the risk of bending it permanently.

Because it is time consuming to get there and the pumps are 50-60 dollars each (don't ask), expect it to be a 500-600 job. In the X5 BMW uses some "quick connect" on the hoses and the pump is the exact same type of the older one with push on rubber hoses (that cost 10 bucks on Amazon), but has a different nipple to attach the hoses... So it doesn't work and you gotta get the BMW labeled one and fork out the 60 bucks

When one of mine broke, I ended up replacing both of them because I didn't want to be in there any time soon.

If you look around on forums for E70 X5 washer pump replacement you'll see it's common and you'll also find plenty of tips and advice...
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  #7  
Old 07-21-2015, 01:24 PM
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Quote:
Originally Posted by ZetaTre View Post
Normally the issue is not the tank which would actually be even a greater PITA to replace since it requires the removal of the whole fender.

What cracks are the pump. There's 3 of them (front, rear and headlight). The headlight's is different style being high pressure and it's mounted upper in the tank (it draws quite a bit of fluid when it runs and being higher up avoids the headlight to dry the tank empty, leaving you the ability to at least wash the windshield). That pump is normally fine

The two smaller pump for front and read crack. They leak down towards the bottom where they plug into the tank.

To get there you need to remove the wheel well cover. There's several bolts, and plastic rivets that hold the fender liner, you'll have to loosen the running board. Eventually you get there and you need small hands to crawl in and unplug the pump. If you don't have small hands then you have to release the bolts holding the fender. It's plastic so it flexes a bit without running the risk of bending it permanently.

Because it is time consuming to get there and the pumps are 50-60 dollars each (don't ask), expect it to be a 500-600 job. In the X5 BMW uses some "quick connect" on the hoses and the pump is the exact same type of the older one with push on rubber hoses (that cost 10 bucks on Amazon), but has a different nipple to attach the hoses... So it doesn't work and you gotta get the BMW labeled one and fork out the 60 bucks

When one of mine broke, I ended up replacing both of them because I didn't want to be in there any time soon.

If you look around on forums for E70 X5 washer pump replacement you'll see it's common and you'll also find plenty of tips and advice...
Thanks !
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  #8  
Old 07-22-2015, 08:16 AM
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Perhaps you already found this link, but be sure to check this one (it has some good pics to help with getting oriented): http://www.xoutpost.com/bmw-sav-foru...aced-pump.html

Good luck.
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2010 e70 35d- now driven by son #2
2005 e53 3.0 - now driven by son #1
2021 G05 45e PHEV - now driven by me
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  #9  
Old 07-22-2015, 12:08 PM
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Quote:
Originally Posted by sgrice View Post
Perhaps you already found this link, but be sure to check this one (it has some good pics to help with getting oriented): http://www.xoutpost.com/bmw-sav-foru...aced-pump.html

Good luck.
Thanks for the link, I'll definitely take a look at it !
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