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E39 (1997 - 2003)
The BMW 5-Series (E39 chassis) was introduced in the United States as a 1997 model year car and lasted until the 2004 when the E60 chassis was released. The United States saw several variations including the 525i, 528i, 530i and 540i. -- View the E39 Wiki

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  #1  
Old 04-24-2011, 09:31 AM
vetaldj vetaldj is offline
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HELP!!! Power steering pump drain plug locatation for bleeding

Hi all,

I'm in process of changing my leaking power steering hose (1997 528i) and having problems with finding bleeding screw at my pump... Looks ike I'm looking in wrong way or something - I checked all links I found here and some of them clearly show that plug and I just can't find it... Did anybody do that for '97 528i?

Any help/tips will be very appreciated...
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  #2  
Old 04-24-2011, 11:42 AM
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bmw_n00b13 bmw_n00b13 is offline
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I'm under the impression that there isn't a power steering drain that is easily accessible. Most people just change their fluid, and when they do that, suck it out of the reservoir and pour in more fluid, and bleed it by cycling the steering wheel a few times. HTH
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  #3  
Old 04-24-2011, 06:05 PM
vetaldj vetaldj is offline
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Well, problem is that I don't need just fluid change, I need to change hose so I need all fluid out in one time... Will post pics to show my pump
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  #4  
Old 04-24-2011, 06:42 PM
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bluebee bluebee is offline
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I've seen pictures of the V8 E39 showing a drain bolt at the bottom underside of the power steering pump; but I don't see that same drain bolt on my I5 M54 engine.

If you do a quick /power steering(F3) in the bestlinks thread, you'll see tons of pictures showing how to drain the fluid and how to replace the hoses, including the cn90 tricks which save a hose or two from the recycle bin.
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Old 04-25-2011, 04:04 AM
Jimmys 530i Jimmys 530i is offline
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Quote:
Originally Posted by bluebee View Post
I've seen pictures of the V8 E39 showing a drain bolt at the bottom underside of the power steering pump; but I don't see that same drain bolt on my I5 M54 engine.

If you do a quick /power steering(F3) in the bestlinks thread, you'll see tons of pictures showing how to drain the fluid and how to replace the hoses, including the cn90 tricks which save a hose or two from the recycle bin.
The I6 does not have a drain plug.
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  #6  
Old 04-25-2011, 01:17 PM
vetaldj vetaldj is offline
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Thanks bluebee and Jimmys 530i, now I'm feel better because I started to think that I'm blind or something...

Now I need to find the cleanest way to do that... So, I need to first extract as much as possible and then dissconnect some hose, correct? I will read all helpfull links first focusing on this way.
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  #7  
Old 04-25-2011, 02:30 PM
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microswitch microswitch is offline
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99c Store. turkey baster is a wonderful tool.
( just makes sure you wash it before you decide to bast the turkey) .. lol

If you want to go the expensive route .. autozone vacuum gauge/pump $ 23.40

also check CN90 D.Y. on the cooling overall .. He has a session on repairing the leaking power steering hose

Last edited by microswitch; 04-25-2011 at 02:32 PM.
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  #8  
Old 04-25-2011, 02:39 PM
JimLev JimLev is offline
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Quote:
Originally Posted by vetaldj View Post
Thanks bluebee and Jimmys 530i, now I'm feel better because I started to think that I'm blind or something...

Now I need to find the cleanest way to do that... So, I need to first extract as much as possible and then dissconnect some hose, correct? I will read all helpfull links first focusing on this way.
You can only extract about a cup of fluid from the reservoir using a turkey baster.
If you are replacing a hose why don't you just disconnect the hose from the pump and put a can or pan under it to catch the fluid in. The pump, hoses, and cooling loop in front of the radiator holds more than you will get out of the resevoir.
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  #9  
Old 04-25-2011, 02:42 PM
vetaldj vetaldj is offline
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That's what I'm going to do but I decided first to find it out here if it's OK to do so.
I'm new to E39 and BMW as well as DIY kind of thing and I'm scary to brake something while fixing something you know.
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Old 04-25-2011, 02:44 PM
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dalekressin dalekressin is offline
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My 2001 530i didn't have a drain plug.
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  #11  
Old 04-25-2011, 10:54 PM
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Quote:
Originally Posted by Jimmys 530i View Post
The I6 does not have a drain plug.
Thanks for clarifying as I wasn't sure myself since I could clearly see the V8 drain but not the I6 drain.

Quote:
Originally Posted by JimLev View Post
You can only extract about a cup of fluid from the reservoir using a turkey baster.
Yup. 8 fluid ounces (or, in that strangely odd world system, 250 ml).

That's just about how much I got when I measured it last week:
- How much volume of power steering fluid do we have in the E39?

To the OP, a quick /power steering(F3) in the bestlinks nets this, among others:
- Power steering fluid (1) (2) & power steering fluid flush DIYs (1) (2) (3) (4) & volumes (1)


Last edited by bluebee; 04-25-2011 at 11:04 PM.
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  #12  
Old 04-26-2011, 04:09 AM
Jimmys 530i Jimmys 530i is offline
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If you drain everything completely, including the cooler, you will need 2 quarts. I just done this a couple of days ago, it will get messy.
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  #13  
Old 04-27-2011, 12:30 PM
vetaldj vetaldj is offline
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Ok, now question which hose to remove.... I've read all links (well, all those that I found) but didn't find any good information how to remove fluid w/o drain plug.

First, I will suck all fluid from reservour. Then, how to proceed? Which hose I can disconnect to drain fluid? can I disconnect that one that comes to the pump? Or, can I disconnect return pipe coming to container, put it to some conteiner and start the engine without moving steering wheel for a few sec?

I will do it on parking near store so I need to make as less mess as possible so that's why I want to know how to procees with this....

Thank you all!
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Last edited by vetaldj; 04-27-2011 at 12:58 PM.
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  #14  
Old 04-27-2011, 12:48 PM
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chiefwej chiefwej is offline
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I just loosened the banjo bolt to drain mine
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  #15  
Old 04-27-2011, 05:21 PM
vetaldj vetaldj is offline
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By bajo bolt you mean bolt that holds hose "04 PRESSURE HOSE ASSY" on this pic?
1997 528i P/S

Quote:
Originally Posted by chiefwej View Post
I just loosened the banjo bolt to drain mine
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  #16  
Old 04-28-2011, 03:42 PM
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chiefwej chiefwej is offline
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Mine is a 540 so the pump and connections are different. On that pic 9 &6 are banjo bolts, but on my car (see below) I loosened #6 or maybe #3.

http://www.realoem.com/bmw/showparts...27&hg=32&fg=20
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  #17  
Old 04-28-2011, 04:21 PM
vetaldj vetaldj is offline
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Oh well, I will do that then simple way, with mess

Thanks all! I will report back with results soon.
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  #18  
Old 04-30-2011, 10:36 PM
vetaldj vetaldj is offline
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Ok, final update. I did it today!! Hurray!!!

My steps:
- Extracted all fluids from reservoir
- Removed reservoir from bracket
- Disconnected return hose from coil over to reservoir (this is the one that was replaced) from reservoir. Here I've got some fluid from reservoir but I was ready with towels and empty container.
- Disconnected 13mm bolt that holds two hoses at coil over BUT didn't removed them, while holding top one I just removed bottom one (that goes to reservoir and need to be replaced), got some fluid out but not much.
- Put new ring and attached new hose to its place
- Cleaned reservoir all hoses from mess
- Re-installed reservoir and added new fluid
- made about 10 turns, almost all fluids gone so I added some more to the almost MAX and made same 10 turns but this time level was the same.
- Cleaned everything and hurray - my first serious DIY done with success!

Thanks all for help and support!
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