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torque specs needed for suspension. ***new question***

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by muddysub, Sep 11, 2002.

  1. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    ok, what are the specs for the bolts in the front spring eyes and the bolt at the top of the shackle? i just put in a set of hill shackles and need to know the specs on these bolts.
     
  2. heavy4x4

    heavy4x4 1/2 ton status

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    Re: torque specs needed for suspension.

    This is what Mr. Haynes tells me:

    Front suspension -
    "spring front eye bolt.....90ft lbs."
    "spring rear eye bolt ....50ft lbs."
    "spring-to-rear shackle nut.......50ft lbs."

    That "spring-to-rear shackle nut" description doesn't make much sense to me, but that's what it says.
    Hope this helps.
     
  3. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    Re: torque specs needed for suspension.

    yeah i was like "huh?" but i'll get it figgered out

    anyone else?
     
  4. Shaggy

    Shaggy 3/4 ton status

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    Re: torque specs needed for suspension.

    <font color="green"> I seem to remember hearing that you want alot less torque than that, but I can't give you a number. The tighter they are, the more it will limit flex. You need the balance between staying tightened and loose enough that it doesn't bind the hell out of the bushings. that wasn't helpful, was it? /forums/images/icons/tongue.gif /forums/images/icons/crazy.gif </font color>
     
  5. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    Re: torque specs needed for suspension.

    well i tightened the front eye bolts, i got to 80 ft/lbs and that looked too tight to be honest. the mount for the spring is pinching the bushing, that's bad right? the hangers are angled inward and actually kinda poking the bushings. i should loosten them huh?
     
  6. Sandman

    Sandman 3/4 ton status Author

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    Re: torque specs needed for suspension.

    I've got all of mine at around 50 pounds and it seems to works well.
     
  7. muddysub

    muddysub 1 ton suburban status Staff Member Moderator GMOTM Winner

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    Re: torque specs needed for suspension.

    hmmm. i'll loosten mine. /forums/images/icons/crazy.gif
     
  8. MudbogAD

    MudbogAD 1/2 ton status

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    Re: torque specs needed for suspension.

    I usually don't torque down poly bushings. I just tighten until they feel right. /forums/images/icons/blush.gif
     
  9. 72THING

    72THING 1/2 ton status

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    I don't know a specific torque spec. either. I tighten it until it "feels right."

    Will
     

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