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Spring bushing success...

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Burbinator, Feb 6, 2002.

  1. Burbinator

    Burbinator 1/2 ton status

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    This may be an old hat to some of the "seasoned" folks...

    I replaced my front spring bushings on the Nimitz this past weekend...something I've never done before, let alone take the front end apart. After a couple broken drill bits, a broken chisel and a broken vise, I learned that drilling the old bushing out and then pounding the sleeve out is not the best way. The driver side was the learning curve, seeing how it took less time to disassemble the passenger side, extract/replace the bushings and reassemble the whole truck (about 1.5 hour) than it did to get the old ones out of just the driver side.
    The trick I found that worked REALLY well is to use some WD40 on the old bushings, let them sit and then pound them out easily with a 1 1/8" 12 point socket. A light bit of WD on the new bushing and 3 strikes later you're done...cake! What a difference polyurethanes make...

    The next project is the rears, which I'm sure will require a different socket size.

    My many, many thanks to all of those who posted/replied to the "spring bushing" questions over time...couldn't have done it without you!

    Haze gray and underway...<font color=blue>or blue, in my case.</font color=blue>
    <a target="_blank" href=http://community.webshots.com/album/26246038MbQsYWKcbo>U.S.S. Nimitz II</a>
     
  2. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    Up in the rust belt the WD40 doesn't help...BTDT wearing the T-shirt as we speak[​IMG] Drilling the bushing is a PITA but the only way my old bushings would come out.

    Did you install greasable bolts while you were at it? I found they really helped the ride...plus if i ever need to swap bushings again it'll be cake![​IMG]

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
    <a target="_blank" href=http://coloradok5.com/gallery/project_T2> tRusty pics...</a>
     
  3. JIMs70K25

    JIMs70K25 1/2 ton status

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    My experience was exactly the opposite. Took the driver side front spring off and it took me a couple hours to drive both bushings out. Just to find out that the bushing set energy suspension sent me was for aftermarket springs. I was not able to do the passenger side that day. Had to find new grade 8 bolts, etc..
    When I did the passenger side it took me longer to get the vehicle lifted and secured than it did to drill out the bushings and replace them less than an hour. Energy suspension had sent me the right bushings by this time. Piece of cake...

    <a target="_blank" href=http://communities.msn.com/jims70gmc>My 70 GMC</a>
     
  4. HarryH3

    HarryH3 1 ton status Author

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    A cheapie hydraulic press from Harbor Freight makes pretty short work of getting those bad boys out of there. [​IMG] It also works good for changing A-arm bushings.

    <font color=black>HarryH3 - '75 K5</font color=black>
    <a target="_blank" href=http://www.angelfire.com/super/ThunderTruck>www.angelfire.com/super/ThunderTruck</a>
    It's a great day to be alive...
     
  5. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    It's hard to fit those presses under the truck though[​IMG]

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
    <a target="_blank" href=http://coloradok5.com/gallery/project_T2> tRusty pics...</a>
     
  6. k5king

    k5king 1/2 ton status

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    ummm,,why did you do it ON the truck ?i know im going to be getting a page long story with this one [​IMG][​IMG]
    you couldn't get the sawzall to fit between the bushing and the shackle? im totally lost on this one rene


    <font color=purple>ANYBODY LOSE THEIR JEEP????????[​IMG]
    I JUST FOUND ONE UNDER MY BLAZER!!!![​IMG]
    [​IMG][​IMG]</font color=green>
     
  7. grumpy

    grumpy 1/2 ton status

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    This is after the fact but my method is to use a torch to fire up the bushing enough for the inner sleeve to be free from the rubber, then push it(carefully) and the flaming bushing out. After that split the outer sleeve in 2 places with an air hammer using a sheet metal cutting bit. While making the second cut the sleeve usually is driven out. The whole process take 10 minutes a side.
    David
     
  8. Burbinator

    Burbinator 1/2 ton status

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    No greasables this time...the old hindsight theory, you know how that goes.

    Haze gray and underway...<font color=blue>or blue, in my case.</font color=blue>
    <a target="_blank" href=http://community.webshots.com/album/26246038MbQsYWKcbo>U.S.S. Nimitz II</a>
     
  9. Burbinator

    Burbinator 1/2 ton status

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    I gave the torch method some thought, but I decided against putting any heat on the spring steel...call me superstitious. Taking the springs off the truck is certainly more work, but definitely makes the job easier, IMO. Besides, it gave me the opportunity to replaced those dried out shims.

    I might head down to Harbor Freight and pick up one of those cheapie presses, as per HarryH3's suggestion. Certainly have many uses besides bushings for that tool...LOL.

    Haze gray and underway...<font color=blue>or blue, in my case.</font color=blue>
    <a target="_blank" href=http://community.webshots.com/album/26246038MbQsYWKcbo>U.S.S. Nimitz II</a>
     
  10. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    I did mine while swapping in some better shackles. I didn't feel the need to remove the entire spring pack from the truck.

    I didn't need a sawzall either. the bolts broke with a breaker bar they were so rusted.[​IMG]

    Rene

    <font color=green>Dyslexics of the world...UNTIE!</font color=green>
    <a target="_blank" href=http://coloradok5.com/gallery/project_T2> tRusty pics...</a>
     
  11. HarryH3

    HarryH3 1 ton status Author

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    I haven't used my press too often, but when you need it, it's often the only tool that will do the job. [​IMG] It did a great job of pressing pinion bearings on and off when setting up the rear end in the S-Jimmy. [​IMG]

    <font color=black>HarryH3 - '75 K5</font color=black>
    <a target="_blank" href=http://www.angelfire.com/super/ThunderTruck>www.angelfire.com/super/ThunderTruck</a>
    It's a great day to be alive...
     
  12. Seventy4Blazer

    Seventy4Blazer 3/4 ton status

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    i jsut use a saber saw. go therough the whole thing in two places. just the inersleeve on 2 sides, then the rubber comes out easy then the outter sleeve.
    took me about 30 min to do 4 on a scout II.
    Grant


    1974 Chevy Blazer Cheyanne. but it is on 33's now, with saggy old springs. i am in Yuma Arizona if ya got any parts for me.
     

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