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E34 (1989 - 1995)

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  #1  
Old 04-10-2017, 08:33 PM
hans747 hans747 is offline
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Location: Asheville, NC
 
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Mein Auto: 2000 528iT
Tips for removing lower alternator bolt?

Hi Everyone!

Well, I finally decided to do something about the steering hoses that are pissing fluid all over my driveway. From what I can see, the best approach at removing the high pressure hose involves removing th alternator. But I am running into a problem: When i loosened the lower alternator bolt, it just kept spinning without backing out. If I reach behind the alternator, I can just barely put my finger on the bolt where it comes out the back of the alternator. It feels like there is a nut on the back, and it is spinning with the bolt. But I cannot figure out how to reach that bolt with a wrench, short of removing the entire intake manifold. Seems pretty extreme to remove a bolt from the alternator.

Am I missing something here?

Thanks for your help.
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  #2  
Old 04-11-2017, 05:41 AM
m735is m735is is offline
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Mein Auto: e23, e32, e34, e39
I know you do not have to remove the intake. I forget how it actually reached that nut, but it can be done. Open end or box wrench?? I'm pretty sure I got it from the top too (not crawling under the car).

I have to swap alternators between cars in the next few days so I'll see how it's done but you'll most likely have figured it out by then.
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  #3  
Old 04-11-2017, 06:22 AM
hans747 hans747 is offline
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Yeah, maye if I had a really long open end wrench, I could grab it from above.
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  #4  
Old 04-14-2017, 11:15 AM
hans747 hans747 is offline
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I just want to follow up by saying thank you. This advice was spot on. It's a 17 mm wrench (11/16 inch) and it has to be just the right length. Too long and it hits the intake. Too short and it's hard to hold with the alternator in the way.
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  #5  
Old 04-14-2017, 11:16 AM
heifetz17 heifetz17 is offline
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Mein Auto: 1995 525i, 1990 325i
I use a deep well socket on a ratchet to hold that back nut. Works well.


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