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Valve cover gasket

Discussion in 'XJ Technical Chat' started by Evan Hawtrey, Apr 30, 2016.

  1. Evan Hawtrey

    Evan Hawtrey Member

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    As it says 82 xj750 seca valve cover gasket replacement... can't find torque specs in my manual..any ideas? Thx a ton in advance
     
    Evan Hawtrey, Apr 30, 2016
    #1
  2. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Very little. It's about 7.5 ft lbs, but the key is to only tighten them until the shoulder of the bolts tighten against the head. If you try to go tighter you can end up cracking the head or stripping out the threads.
     
    k-moe, Apr 30, 2016
    #2
  3. Hotcakesman

    Hotcakesman Active Member

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    ^ exactly
    unknown to me I had a bent or warped Valve cover
    not sure if it got sat or stepped on
    in the past 3 yrs I have replaced two of the machined fasteners that sit on top of the
    cam shaft
    as well as helicoiled the valve bolts
    not much pressure is needed
    just even 7.5 lbs all around
    also make sure it is lbs and kgs on the torque wrench
    I swear I have made every mistake on this issue
     
    Hotcakesman, May 2, 2016
    #3
  4. waldreps

    waldreps Active Member

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    After my ft lbs torque wrench allowed me to strip out one of my valve cover bolt holes in the head, I used a helicoil and fixed it and then got a good in lbs torque wrench. My ft lbs torque wrench didn't like going down to the 7.2 ft lbs that the factory manual calls for. It just wouldn't click or give any indication to stop. It's such a low number that I think an in lbs torque wrench works better. The 7.2 ft lbs is 86.4 in lbs. I just set my new one on 87 in lbs and it worked great.
     
    waldreps, May 2, 2016
    #4
    k-moe likes this.
  5. cgutz

    cgutz Well-Known Member

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    I just use a regular old allen wrench to tighten the valve cover bolts snug. Pretty hard to torque it hard enough to crack the heads with no mechanical advantage!
     
    cgutz, May 2, 2016
    #5
    DrewUth, rocs82650 and k-moe like this.
  6. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    Agreed.
     
    k-moe, May 2, 2016
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  7. cgutz

    cgutz Well-Known Member

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    An allen wrench also seems about the easiest to reach in there and spin them on and off. One wrench for all the bolts!
     
    cgutz, May 2, 2016
    #7
  8. yellow_yellow

    yellow_yellow Member

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    Yes allen wrench FTW. Anything around 10 ft lbs of torque I just do by feel.
     
    yellow_yellow, May 2, 2016
    #8
  9. rocs82650

    rocs82650 Well-Known Member

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    cgutz and yellow said it. Use a Allen wrench on the valve cover and anything else with a 10 ft lbs spec use a inch lb rachet.

    Gary H.
     
    rocs82650, May 3, 2016
    #9

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