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Knocking when hitting bumps

Discussion in 'Stock 1991 - 1994 Explorers' started by dbugzapper, October 31, 2009.

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  1. dbugzapper

    dbugzapper New Member

    Joined:
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    City, State:
    Cedar Rapids, Iowa
    Year, Model & Trim Level:
    1992 Sport 4.0 V6 5spd
    Hey all, I just replaced the shocks with a nice new set of Rancho RS5000's the other night on my 92' Sport. I did so not only because the previous owners did very litttle upkeep on this fine machine, and the ride was pretty hairy on the local roads to say the least. Not only that- there's a knocking noise every time I hit a bump, even now after I have replaced the shocks. Is it the control arm? The Ball Joints? Anyone have this happen to them with their explorer? The ride is still a little rough because of whatever the noise is, the shocks helped with stopping and going and our on the highway, and even on the rutted muddy dirt road I drive on a daily basis at work. But that knocking noise makes me feel like the front end is gonna just give out one of these days. Not a good feeling. Also when they installed the shocks, I think I lost an inch of clearance, is this possible with the Ranchos?
     
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  3. LBarr2002

    LBarr2002 Well-Known Member

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    City, State:
    Leesville, SC
    Year, Model & Trim Level:
    '91 XLT 4x4, '92 XLT 4x4
    Check your radius arm bushings.
     
  4. RedneckRambo

    RedneckRambo Active Member

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    City, State:
    Sterling, Colorado
    Year, Model & Trim Level:
    1994 Explorer XLT
    new RA bushings fixed mine
     
  5. marragtop

    marragtop Well-Known Member

    Joined:
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    City, State:
    balt, md
    Year, Model & Trim Level:
    91, 92, 95, and 2000 xlts
    Do a search on Radius Arm Bushings. Common problem on the Gen I explorers.
     
  6. dbugzapper

    dbugzapper New Member

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    City, State:
    Cedar Rapids, Iowa
    Year, Model & Trim Level:
    1992 Sport 4.0 V6 5spd
    That's kinda where it sounds like the noise is coming from. Wondering if it's worth the hassle for me to fix in my driveway, or if I should just take it to my trusty mechanic with the nice heated shop and all the tools he needs to do the job?
     
  7. Robrt32

    Robrt32 Active Member

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    City, State:
    Sledge Mississippi
    Year, Model & Trim Level:
    94 Explorer XLT
  8. dbugzapper

    dbugzapper New Member

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    City, State:
    Cedar Rapids, Iowa
    Year, Model & Trim Level:
    1992 Sport 4.0 V6 5spd
    Thinking about replacing them with an upgrade in replacement parts- the urethene bushings. Looks like something I don't have the time or patience to deal with, my favorite mechanic can do the job, it'll save me some busted knuckles, lol:).
     
  9. thomasp94

    thomasp94 New Member

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    City, State:
    Pennsylvania
    Year, Model & Trim Level:
    1991 Sport
    I just bought a 1991 Sport for winter driving and I also have the knocking when hitting bumps in the road. I was going to replace the shocks anyway, but now I know to get the bushings too. Thanks!

    http://www.summitracing.com/parts/ENS-4-7110R/
     

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