[Main NG900 & OG93 Bulletin Board | BBFAQ | Prev by Date | Next by Date | Post Followup ] Member Login / Signup - Members see fewer ads. - Latest Member Gallery Photos Re: Dremel Bit to cut balance chain Like This Post: - Subscribe to Daily Digest for this Bulletin Board Posted by pete [Email] (#2000) [Profile/Gallery] (more from pete) on Mon, 19 Sep 2011 16:58:55 In Reply to: Dremel Bit to cut balance chain, Drake, Mon, 19 Sep 2011 16:15:59 Alert me when someone posts in this thread: Members do not see ads below this line. - Help Keep This Site Online - Signup

If the "timing chain" guides are worn and the tensioner is fully extended, cutting the balance chain may not solve the issue. I just did my wife's '99 9-3, and removed the timing chain cover with the engine in place, using the "loosen the engine mounts" technique to move the engine over enough to remove the timing chain cover.

The only real issue I ran into was that I couldn't get the idler pulley on the balance chain off. Removing the balance chain with the idler pulley still in place was easy as the chain was stretched. Putting the new balance chain back on with the idler pulley in place was a b&*^%, as there was very little slack. The problem was the chain fitting fully on the sprocket on the crankshaft.

I ended up lining up all the timing marks for the balance chain sprockets, then put the balance chain on as many teeth as possible on the crankshaft sprocket (couldn't quite get it past half way on), and then rocked the car in gear to spin the engine and get the balance chain to thread itself on the rest of the teeth of the crankshaft sprocket (kinda like changing gears on a 10 speed bike... the chain makes its way to the next gear a few teeth at a time as it rotates). Worked a treat! At 11 years old, don't anticipate doing that again on her car. HTH

posted by 68.144.1...

• Dremel Bit to cut balance chain, Drake, Mon, 19 Sep 2011 16:15:59
  • Re: Dremel Bit to cut balance chain, pete , Mon, 19 Sep 2011 16:58:55 <-- Viewing This Message
    • all timing components are new..., Drake, Tue, 20 Sep 2011 07:06:41
      • Re: all timing components are new..., pete , Tue, 20 Sep 2011 07:50:31
        • That is my hypothesis..., Drake, Tue, 20 Sep 2011 08:45:25
        • Re: Stethoscope.., Saabnutt, Tue, 20 Sep 2011 08:27:12
          • Ran it sans belt, its not the water pump...., Drake, Tue, 20 Sep 2011 08:49:08
            • Re: Ran it sans belt, its not the water pump...., Saabnutt, Tue, 20 Sep 2011 10:53:06
              • Re: Ran it sans belt, its not the water pump...., jimg, Tue, 20 Sep 2011 11:22:58
                • found it, I beleive, Drake, Wed, 21 Sep 2011 17:59:10
                  • Ignore balance sprocket question., Drake, Thu, 22 Sep 2011 17:05:55

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