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Trying to adjust stuck (possible corrosion) lower perch

Discussion in 'Ford Raptor Suspension Discussion and Modification' started by Spectre338, Mar 30, 2019.

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  1. Spectre338

    Spectre338 Member

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    I got a new to me Raptor Last week and would like to level it. I was able to adjust the perch on the drives side but noticed some corrosion. On the passenger side, the lower perch won't move at all, I assume it is also corroded. Does anyone have advice as to how to move a stuck perch?
     
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  2. EricM

    EricM FRF Addict

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    Hit it harder.
     
  3. RPG

    RPG Supporting Vendor Supporting Vendor

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    Do you have any wd40 or pb blaster? Something to spray on it and dissolve it..


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  4. Spectre338

    Spectre338 Member

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    I have soaked aked it in WD-40, will try PB next
     
  5. ogdobber

    ogdobber Full Access Member

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    I assume you've backed out the set screw...
    Lime-away is the ticket. Its not so much "corrosion" but a build up of sediment


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  6. naimad

    naimad Full Access Member

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  7. mpk1996

    mpk1996 Full Access Member

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    if you have to, remove the shock and spring assembly. then remove the spring. make sure the set screw is loose. with the spring off it, and out of the truck you should be able to hit it harder with a dead blow hammer.

    but first try the pb blaster or lime away. make sure to get it in the top and bottom of the spring perch.
     
  8. Roush2012

    Roush2012 Full Access Member

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    When I did mine we had to air hammer the living $h!t out of them to get them to move. It took forever to get them to move


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  9. MN DOOM

    MN DOOM Member

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    not sure if you figured out already or got this resolved. But i recently went through the same problem on a used set of rebuilt shocks i bought off here and my local shop wasn't comfortable possibly fudging up the set screw (understandably) As I wanted to move them up from stock to mid perch. I had just bought some parts from a shop that rebuilds raptor/fox shocks and decided to call and ask what they thought. ended up shipping out to them. They placed the shock in their 20 ton press with seized set screw still in place and moved up to middle perch. worked for me.....
     
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