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Replacing the Tensioner Pulley - V6

Discussion in 'Holden Commodore How-To's' started by FXST01, Sep 14, 2005.

  1. FXST01

    FXST01 The Grey Man

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    Tools needed:

    18mm socket and bar or 18mm spanner
    Locktite

    1. Remove fan belt by using the 18mm spanner and rotating the pulley assembly anti clock wise.

    2. Undo the bolt holding the tensioner pulley on, use the 18mm spanner and turn the bolt clockwise to undo the bolt (the bolt is actually right hand threaded.)

    3. Place new pulley onto shaft, drop some loctite onto bolt and screw in (anti clockwise) Manual states 40 - 60 Nm is the torque setting.

    4. Rotate pulley anti clock wise again and replace fanbelt.

    5. Picture of comprehensive instructions that came with new pulley.
     

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    deathsminion and deeranp like this.
  2. deathsminion

    deathsminion Chrgd,Coold,Twinthrot'in

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    Thanks man, this will be useful in a few days time. Damn that is one clean motor. :)
     
  3. jahbull

    jahbull Guest

    thread

    thread rest assured u r a good bloke thanks :thumbsup: :thumbsup:
     
  4. vpete

    vpete New Member

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    Do you know you don't have to replace the whole pulley if it's only the bearing buggered? I replaced mine a couple of weeks ago for the price of a $6 bearing! Holden would have you believe that the whole thing comes as a complete assembly.

    Cheers..................Pete! ;)
     
  5. krypt0n

    krypt0n New Member

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    Damn! this could have saved me $50 a while ago lol
     
  6. Flat_White

    Flat_White Banned

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    how much for the part?
     
  7. Flat_White

    Flat_White Banned

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    i mean how much for the pulley (with bearings)
     
  8. vxcalais_01

    vxcalais_01 Active Member

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    Did use any thread locker on this one ? (Sorry mate, early in morning and i didnt read your mention of loctite, sorry). Would you place any grease on the thread ?

    Also are the part No.s the same for the VX series 1 ? Good write up.
     
  9. boomnvn

    boomnvn SOLDER, NO CRIMP.

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    vx will be differant as it is an ecotech motor.
     
  10. alex2_s

    alex2_s New Member

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    Is this a good idea?
     
  11. sutto

    sutto New Member

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    To undo the bolt do you turn to the left or right because somone else told me undo the bolt to the left
     
  12. BOGANV8

    BOGANV8 I gotta V8 whoot whoot

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    The bolt is a left hand thread so undo clockwise.....
     
  13. hako

    hako Donating Member

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    Read this wrong....BoganV8 is correct.
     
    Last edited: May 20, 2009
  14. Gippslander

    Gippslander New Member

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    Hi all, has anybody noted the bearing code or sizes as I dont want to take mine apart without the replacement on the bench ?
     
  15. Gippslander

    Gippslander New Member

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    Hi all, has anybody noted the bearing code or sizes as I dont want to take mine apart without the replacement on the bench ?
     
  16. BowTie

    BowTie Member

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    You dont have to press the bearing out to read the part number. Just take it off the car, degrease it and you will be able to read it from the back. Its stamped into the seals in fine print.

    Of the three pulleys on an eco, two are the same and one is unique.

    Common bearings too.
     
  17. BowTie

    BowTie Member

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    Or pop into your local Auto shop and have a look at some new ones. Read the bearing numbers.
     
  18. Jxfwsf

    Jxfwsf Well-Known Member

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    unless it's an aftermarket metal pulley having a bearing number is no help, the stock plastic one are a molded 1 piece unit, pressing the bearing out will destroy it.
     
  19. immortality

    immortality Donating Member

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    Correct

    The replacement bearing for the aftermarket steel pulleys is a 6203-2RS I believe. I can double check that one if required.

    I still think the reason that these fail so quickly is the fact that they use a single row deep groove roller bearing which isn't designed to carry a vertical load like this. You really want 2 bearing side by side to ensure that the pulley runs true.

    Cheers
     
  20. BowTie

    BowTie Member

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    That's a great idea.

    Twin high speed bearings well spaced apart in machined pulleys would really help hold everything square and true. Much more so than now.
     

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