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  • Oddball balancer?

    I have a 1999 3.8 with 67k miles. Im removing the timing cover to replace the chain. Ive already got the balancer bolt out, and now need to pull the balancer.

    The thing is, i dont have the special puller so im using the normal puller. Everywhere on the net it says to use 6mm × 1.0 or 1/4 - 28 bolts. Ive tried both and they are too small.

    It looks like they are m8 or 5/16 fine because a 5/16 course almost threads in.

    Is this a special limited edition canadian balancer, or is there a vast balancer bolt conspiracy? Is this a third variant bolt size thats common? I dont want to damage the threads.

  • #2
    Some of the newer pullers don’t have the right size bolts in it to fit the pulley. I remember I had to go back to my old kit to find the correct bolts.

    I can’t remember the size bolts so it may mean a trip to lowes to buy a few different sizes to get the right pitch/threads.

    I do remember it being odd sized for sure!

    2002 SOM Z28 Camaro - 12.9 @ 104 mph
    1996 3800 Camaro - 13.43 @ 100.77 mph


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    • #3
      GM p/n 24501367

      3/16-16 x 1.15 Class 3A Balancer Bolt
      Robert - owner www.FirebirdV6.com "Mid-life crisis? I'm way beyond that!"

      1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

      Raven

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      • #4
        Originally posted by FirebirdGT View Post
        GM p/n 24501367

        3/16-16 x 1.15 Class 3A Balancer Bolt
        Appreciate the help, but 3/16" is smaller than 1/4"

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        • #5
          Originally posted by Dog Fodda View Post

          Appreciate the help, but 3/16" is smaller than 1/4"
          Well - that's the factory bolt size per the parts diagram.

          Take the bolt to Ace and try nuts.
          Robert - owner www.FirebirdV6.com "Mid-life crisis? I'm way beyond that!"

          1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

          Raven

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          • #6
            I got my bolts and puller from ZZPerformance , used it twice now, little expensive but pays off.
            08' L76 6.0L 4X4 Chevy EXT.Cab LTZ Vortec MAX with Snug top cover, Dynomax exhaust,Hptuners& K&N intake
            96' Camaro M5 to A4 conversion, alot of mods . GT35R Turbo full suspension. Built engine

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            • #7
              Originally posted by FirebirdGT View Post

              Well - that's the factory bolt size per the parts diagram.

              Take the bolt to Ace and try nuts.
              I dont have a bolt, and why would I look for nuts? No offense, but did you read the original post?

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              • #8
                If you have a bolt of unknown thread size you can find the size by trying different nuts at Ace - or similar store.

                So what happened to the balance shaft drive gear bolt? You said you got it out.

                Robert - owner www.FirebirdV6.com "Mid-life crisis? I'm way beyond that!"

                1996 Black Firebird GTxxxRam Air V6 w/ M5xxxwww.FirebirdGT.com

                Raven

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