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Thread: Need some help please

  1. #1
    Join Date
    Dec 2003
    Posts
    37

    Need some help please

    Behind the harmonic balancer there is a metal circular ring with teeth that im guessing has something to do with timing. Im not sure if its pressed on there or what but the ring itself is really lose and can be moved around alot. It moves and vibrates and makes a sound anytime the engine is running. Anyone else had this problem ?

  2. #2
    Join Date
    Jun 2002
    Location
    Grand Rapids, MI
    Posts
    1,142
    On the early models it was bolted to the dampener. Can't remember how the late model units attach. Irregardless that is what the crank position sensor uses for its signal. Are you getting a check engine light? You need to determine why/how the ring got loose and get it fixed as soon as you can.

  3. #3
    Join Date
    Apr 2002
    Location
    St. Charles, MO
    Posts
    21,111
    Quote Originally Posted by 94SCblack5speed
    Behind the harmonic balancer there is a metal circular ring with teeth that im guessing has something to do with timing. Im not sure if its pressed on there or what but the ring itself is really lose and can be moved around alot. It moves and vibrates and makes a sound anytime the engine is running. Anyone else had this problem ?
    It's held on with 4 bolts and should not be loose. That ring along with your crank position sensor provides a signal to EEC and ignition system telling the computer what position the crank shaft is in. I'm not sure you can get to the bolts without first removing the balancer.

    Here's a picture of what the ring looks like on the backside of the balancer.



    David
    1991 SC AOD 4.2..2.3 Whipple..........10.910 @ 125.61
    2016 SRT Challenger Hellcat.............10.597 @ 135.78

    My Garage

  4. #4
    Join Date
    Dec 2003
    Posts
    37

    Bolts

    yep looked at it again today and i can see the threads where the bolts are suppose to be. Could this by a reason why im gettin such bad vibration? thanks

  5. #5
    Join Date
    Mar 2006
    Location
    Bristol, PA
    Posts
    194
    Yes, thread russerrection....

    I just found out that the horrible noise my car is making is coming from the timing ring, it appears as if thers only 1 bolt holding it on

    Anyone have any suggestions about where the other 3 bolts went or how they would have come off?

    It seems like the balancer needs to come off to replace the bolts. Anyone have any experience with fixing a loose ring?

    Thanks,
    Nick

  6. #6
    Join Date
    Nov 2002
    Location
    Palos heights, IL
    Posts
    2,541
    Yep , just like David said. Remove the balancer to get to the bolts. You might have a broken balancer also,. Not un common

  7. #7
    Join Date
    Jan 2003
    Location
    Columbia, SC
    Posts
    3,468
    If you are going to remove the balancer you might as well figure on getting a new one to replace it. The AL Hub is sleeved with steel and most have not had good luck in reusing one that has been replaced. As you can see from the pic David posted...that is a broken damper and as stated it is quitte common due to the design of the OEM. This is assuming of course you have an OEM Damper in the first place. Save yourself some trouble and upgrade to a BHJ Damper or equivalent.
    22 year SC Owner GFP
    (Glutton for Punishment)
    1992 5 Speed SC one of 1256
    1995 5 Speed SC one of 574

  8. #8
    Join Date
    Mar 2006
    Location
    Bristol, PA
    Posts
    194
    Ill try pulling the balancer off tomorrow, ill try to post some pics of how it goes.

    I think its an OEM balancer, i cant really tell for sure. Id like to get a new bhj balancer, but moneys kinda tight, so hopefully i can fix what i got.

    Thanks for the replies
    -Nick

  9. #9
    Join Date
    Mar 2006
    Location
    Bristol, PA
    Posts
    194

    Some pics

    The HB came off ok, and it turns out that all the bolts were there that hold the ring on, they were just loose.

    HB looked like it came off pretty easy. I dint do it myself, fortunately for me, i know a good mechanic that owed me a favor.

    So we just put some loctite on the bolts, and the balancer looked good so we put it back on. Started er up, runs fine, no noise!

    Heres some pics

    Car in shop

    Puller on hb

    HB out of car



    hb going bak in


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