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Hood pops up a little from road vibration

Body Shop

  1. 70SunFun

    70SunFun Well-Known Member

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    My 70 Challenger hood is flush with the driver's side fender when parked. When I drive it vibration from the road makes the hood pop up about 1/2" in the rear. When I stop I push it back down but once I start driving again it pops back up. I have the hood hinge bolted down as far as it will go on the inner fender apron. Has anyone had this issue or know why this is? Thanks.
     
  2. Rich G.

    Rich G. Well-Known Member

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    Sounds like the hinges are worn out. When the hood is closed you shouldn’t be able to move the hood up and down when you try to move it from the back.
     
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  3. 70SunFun

    70SunFun Well-Known Member

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    Thanks for that information, Rich G. I appreciate it. I guess after 50 years it has been worn out.
     
  4. Chryco Psycho

    Chryco Psycho Well-Known Member

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    Simple adjustment , loosen te bolts & raise te front of te jood twistin te position of mountinj , it will lower te rear
    my keyboard is scrwwed , missin betwee F & I
     
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  5. sixpactogo

    sixpactogo Well-Known Member

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    The only real way to fix the problem is to have the hinges rebuilt. The Rivets get worn out causing the rear of the hood to lift.
    I had mine rebuilt by SMS
    https://www.sms-auto.com/
     
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  6. Chryco Psycho

    Chryco Psycho Well-Known Member

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    Not entirely true I've adjusted many & solved te issue witout replacin or rebuildin
     
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  7. sixpactogo

    sixpactogo Well-Known Member

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    If it is out of adjustment, that is one thing. However, once those rivets are warn and the hood is able to be pushed up or down with all the bolts tight, Guess what. "The only real way is to fix em". E body's are notorious for it. The 72,3 & 4 hood hinges were improved some from 70 but only slightly. Pretty much the same thing with E body doors, They are long & heavy and once they wear out, you can lift the door to get it to latch or re-adjust them but it's a half assed job IMO.
     
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  8. 70SunFun

    70SunFun Well-Known Member

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    Thank you all for your valuable input. I work with people in a machine shop. I'll have them look at it and see what they say it can be fixed or rebuilt. What's nice is if it can be rebuilt they'll rebuild it for no charge. Thanks again, members!
     
  9. 70SunFun

    70SunFun Well-Known Member

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    Thanks for posting the link!
     
  10. Chryco Psycho

    Chryco Psycho Well-Known Member

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    Ok so you know better , still adjustin it is free & I would do it first as I ave done many times $.02
     
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  11. sixpactogo

    sixpactogo Well-Known Member

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    I remember when speaking to the SMS guy, he mentioned they make their own rivets but if you have access to a machine shop, they should be able to make their own hardened rivets. Fifty years of wiggling, jiggling and all the activity takes it't toll on everything. Even our bodies. Adjustments only go so far. I found that out personally when my knees opted for bone on bone.
     
  12. 70SunFun

    70SunFun Well-Known Member

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    Thanks. I tried to adjust it every which way but the hood still bumps up.
     
  13. 70SunFun

    70SunFun Well-Known Member

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    I'm gonna drive my car to work tomorrow and have the machinists look at the hinge. Hopefully they can make hardened rivets and fix the issue. Yeah, after 50 years and 93k miles the hood has seen a lot of vibration! Sorry about your knees, I'm sure that's no fun. Thanks again.