Harmonic balancer torque

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Northstar Engines and System Technical Discussion Discussion, Harmonic balancer torque in Cadillac Engine Discussion; Does anyone know the torque spec for the harmonic balancer and the cam cap bolts?...
  1. #1
    miwise is offline Cadillac Owners Fanatic
    Automobile(s): 1999 Cadillac Seville STS
    Join Date
    Jul 2010
    Lafayette, Louisiana, United S

    Harmonic balancer torque

    Does anyone know the torque spec for the harmonic balancer and the cam cap bolts?

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  3. #2
    tateos's Avatar
    tateos is offline Cadillac Owners Connoisseur
    Automobile(s): 1997 ETC (GAVE TO STEPSON 2011), 2000 DTS (RIP)
    Join Date
    Jul 2007

    Re: Harmonic balancer torque

    Quote Originally Posted by miwise View Post
    Does anyone know the torque spec for the harmonic balancer and the cam cap bolts?
    Harmonic balancer - first be sure the balancer if fully inserted...that is, bottommed out on the oil pump drive; then torque bolt to 37 ft pound, then turn bolt an additional 120 degrees, or in other words, turn bolt so a given spot on the bolt adjacent to one of the three pulley spokes is moved to the next spoke - that will be 120 degrees or 1/3 turn. Before installing the bolt, I put a few drops engine oil on the threads (also crankshaft and the front main seal surface when installing the pulley) - then wiped of as much of the oil off the threads as would come off with a rag...so I left just a light residue of oil as a lubricant.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
    Woodstock Ill.

    Re: Harmonic balancer torque

    Please update your profile with your year and model so we know what engine and year you are talking about.

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