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Thread: Strut spring compressor ?

  1. #1
    Join Date
    Feb 2015
    Location
    Uniontown, PA
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    70
    My Cars
    1999 Z3 roadster

    Strut spring compressor ?

    Im in the process of trying to remove the coil springs from my very spent front struts, got all new replacement parts, along with a new McPherson interchangeable fork style compressor tool kit, I tried to compress the coil, but of course the coil wont squeeze down enough to take the pressure off the upper spring bracket, so the next step would be between the upper bracket, and top hat if you will, but since the upper bracket is smaller than the lower spring mount, the top fork kind of looks like it could pop off, cause the inner lip cant get a good bite on the bracket, just curious if anybody else has had an issue with this?

  2. #2
    Join Date
    May 2015
    Location
    Springfield Il
    Posts
    74
    My Cars
    '97 Z3
    I had the same issue. My shops wall mounted spring compressor would not collapse the spring enough. While I would not recommend this, I ended up using ratchet straps to compress the spring completely. How the coils are spaced, a two part adjuster would most likely work the best. I don't know if I would trust these from Harbor Freight but something like this. https://www.harborfreight.com/automotive/auto-maintenance-repair/macpherson-strut-spring-compressor-set-63262.html

  3. #3
    Join Date
    Oct 2011
    Location
    San Diego CA
    Posts
    198
    My Cars
    2001 Z3 2.5i
    That is what I used, but the older version without the safety pins! Squint your eyes, turn your body away and have your wife dial 9-1- into her cellphone.

    Finished the job without any injury or damage, but my blood pressure was 5 points higher when I was done

  4. #4
    Join Date
    Feb 2015
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    Uniontown, PA
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    1999 Z3 roadster
    Quote Originally Posted by nthor71783 View Post
    I had the same issue. My shops wall mounted spring compressor would not collapse the spring enough. While I would not recommend this, I ended up using ratchet straps to compress the spring completely. How the coils are spaced, a two part adjuster would most likely work the best. I don't know if I would trust these from Harbor Freight but something like this. https://www.harborfreight.com/automotive/auto-maintenance-repair/macpherson-strut-spring-compressor-set-63262.html
    Thanks for the response, but yeah man, I was checking those out, but decided to plunge for the more heavy duty deal, it does fit pretty good on top of the upper bracket, kind of gave it a test, got about 3/4 ay in, but began to get a bit skittish, and backed off lol, figured id take a stab at seeing how anybody else delt with this issue, besides, id look kinda funny driving my roady without my face howbowdit.

  5. #5
    Join Date
    Sep 2003
    Location
    kansas city
    Posts
    143
    My Cars
    98 Z3, 01 330i, 07 328iT
    I recently did mine using a compressor like this

    https://www.amazon.com/Shankly-Coil-...=strut&sr=8-16

    It was a bit awkward and unbalanced but it got the job done just barely.

  6. #6
    Join Date
    Jan 2008
    Location
    Fort Worth, TX
    Posts
    3,896
    My Cars
    E36M3/E46M3/E39M5/E63M6
    Honestly, I undid these struts with airgun without any compressor many times. They do pop off with force, but not enough to even jump off the strut stock most of the time. They kinda just violently disassemble themselves.
    E36/8 2000 M Coupe Cosmos Black/Black
    Shark, Conforti CAI, B&B Exhaust, H&R, Bilstein, AKG Subframe/Diff, UUC TME Red/Caps, Swapped Front Hats, Ice>Link.
    ================================================== =======================

  7. #7
    Join Date
    Feb 2015
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    Uniontown, PA
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    1999 Z3 roadster
    Quote Originally Posted by TexaZ3 View Post
    Honestly, I undid these struts with airgun without any compressor many times. They do pop off with force, but not enough to even jump off the strut stock most of the time. They kinda just violently disassemble themselves.
    Yeah man, I managed to get the struts done, and still keep my face lol, wasn't to bad after I done the first strut, the other one was cake.

  8. #8
    Join Date
    Feb 2004
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    VA
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    727
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    N/A
    When I last did the springs, I used 3 compressors instead of 2 to keep things even. I own a pair and for another from advance auto.

  9. #9
    Join Date
    Feb 2015
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    Uniontown, PA
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    1999 Z3 roadster
    Quote Originally Posted by workhurts View Post
    When I last did the springs, I used 3 compressors instead of 2 to keep things even. I own a pair and for another from advance auto.
    Yeah man, im planning on having an extra set to help stabilize the spring, but the larger fork style compressors are really cool, I learned that they allow you to decompress slowly enough, to align the bottom spring pad a snap, a very nice piece.

  10. #10
    Join Date
    Oct 2012
    Location
    Louisville, KY
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    4,513
    My Cars
    1997 BMW Z3 1.9L 5MT
    I used a set of HF compressors. The first strut I compressed as much as the tool would do, but the nut was still popped off and scared me. I thought then that I would not be able to compress the strut enough to get the nut back on, so I just took the old and new struts to a shop and let them do the job. The $40 was worth it.
    BMW MOA 696, BMW CCA 1405

  11. #11
    Join Date
    Oct 2013
    Location
    Augusta, GA
    Posts
    474
    My Cars
    1999 Z3 M-Roadster, 2007
    I did this job with the harbor freight compressors per nthor71783. I took it slowly and carefully. The compressors proved fully capable of handling my Z3M struts. A year later I was faced with doing the same job on my Toyota van. I took one look at THOSE springs and passed on the idea of using those wimpy compressors.

  12. #12
    Join Date
    Sep 2017
    Location
    Birch Bay, WA
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    11
    My Cars
    1999 BMW Z3 M Roadster
    Just replaced my front shocks with Koni Sports. Used the Auto Zone free loaner Mcpherson strut compressors. No issues.

  13. #13
    Join Date
    Dec 2007
    Location
    Great Dismal Swamp
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    16,030
    My Cars
    E36/7 E36/8x2 E46 F25
    M's are easy. With aftermarket springs, most times you don't even need a spring compressor. Konis into a regular Z3 / E36 is an entirely different game.


    /.randy

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