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Thread: Tightening the harmonic balancer bolt on JZ's

  1. #16
    she loves me coz im a Conversion King love ke70's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    i wondered the same thing...
    bloody automatics
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  2. #17
    Junior Member Carport Converter Dale's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Fill a cylinder with water or oil, put the spark plug back in and do it up.. just remember to crank it over a little without the spark plug in afterwards to get the fluid out
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  3. #18
    Rest in Peace Conversion King ViPeR_NiPPleX's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    pull out the starter motor and jam a screwdriver between two teeth?

  4. #19
    Building Corollas Chief Engine Builder Cuzzo's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Quote Originally Posted by Dale
    Fill a cylinder with water or oil, put the spark plug back in and do it up.. just remember to crank it over a little without the spark plug in afterwards to get the fluid out
    Fill a cylinder with water?? Are you kidding?
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    You had an oil and plastics engine bay fire, with flames that reached at least to the roof - of course shit got hot, it wasn't burning jiffy firelighters back there.

  5. #20
    stunt dog Backyard Mechanic Esteban's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Quote Originally Posted by Dale
    Fill a cylinder with water or oil, put the spark plug back in and do it up.. just remember to crank it over a little without the spark plug in afterwards to get the fluid out
    Crikey!!!!
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  6. #21
    Toymods Club Member Too Much Toyota TooF's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    fill with oil, ive seen it done to undo the hamromic balancer bolt on hondas.

  7. #22
    Toymods Club Member Too Much Toyota TooF's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Quote Originally Posted by TooF
    fill with oil, ive seen it done to undo the hamromic balancer bolt on hondas.

    *edit*
    not that i really like the solution.. especially on an engine that isnt about to be torn down.

  8. #23
    Junior Member Carport Converter Dale's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Quote Originally Posted by cuzzo
    Fill a cylinder with water?? Are you kidding?
    No.. it's only going to be in there a short period of time anyway, then once it's started fuel + ignition = heat which will mean it's all gone
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  9. #24
    Building Corollas Chief Engine Builder Cuzzo's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    We're talking how much water? Have you tried it?
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    Quote Originally Posted by -GT- View Post
    You had an oil and plastics engine bay fire, with flames that reached at least to the roof - of course shit got hot, it wasn't burning jiffy firelighters back there.

  10. #25
    she loves me coz im a Conversion King love ke70's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    you would only need enough water to fill the combustion chamber, just make sure when you put the fluid down there you do it on the compression stroke
    i see no harm in this method.
    its like self induced hydraulic lock.
    and yada yada that bends rods, only at revs does it cause bent rods etc coz of the sudden hitting a brick wall type feeling the piston experiences. at 2 or 3000 rpm thats gonna be an issue, turning the motor over by hand and loading it up against the lock wont be an issue.
    as soon as tightened, you just remove all the plugs and crank it over to get all the fluid out of hte cylinder.
    the last traces will burn off in a jiffy once started...
    MY RIDE, 2 Door LHD KE70 sedan with 1G HKS stroker: http://www.toymods.org.au/forums/showthread.php?t=51760

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  11. #26
    Toymods Pimp Chief Engine Builder Norbie's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Filling the combustion chamber with water isn't a smart idea. It's inevitable some of that water will end up in the crankcase, which obviously isn't good. Oil on the other hand is fine.

  12. #27
    www.malicious.com.au Automotive Encyclopaedia ReQuieM's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Was thinking the same thing.

    How will the rings hold up to a sustained pressure like that? I understand the pressure they're under in a compression stroke but that fractions of a second not a few minutes...
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  13. #28
    Junior Member Carport Converter Dale's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Well I did say oil or water personally I'd do it with oil but a very known reliable source from these forums have said before if you were to use water the amount that ends up in the crankcase shouldn't be enough to cause concern (unless your rings were well shagged).

    Quote Originally Posted by love ke70
    you would only need enough water to fill the combustion chamber, just make sure when you put the fluid down there you do it on the compression stroke
    i see no harm in this method.
    its like self induced hydraulic lock.
    and yada yada that bends rods, only at revs does it cause bent rods etc coz of the sudden hitting a brick wall type feeling the piston experiences. at 2 or 3000 rpm thats gonna be an issue, turning the motor over by hand and loading it up against the lock wont be an issue.
    as soon as tightened, you just remove all the plugs and crank it over to get all the fluid out of hte cylinder.
    the last traces will burn off in a jiffy once started...
    hydraulic lock is exactly what it achieves
    I am the sun

  14. #29
    Yep they look great Carport Converter gianttomato's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Yeah....um, don't do that.

    I use a variant of madmont's method - a chain bolted to one of those torque convertor bolts and then the other end is bolted to the block somewhere. No movement once the slack off the chain is taken up.

    I like madmont's method even more than mine.

  15. #30
    Junior Member Carport Converter Dale's Avatar
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    Default Re: Tightening the harmonic balancer bolt on JZ's

    Quote Originally Posted by oldcorollas wrote on Tue, 09 August 2005 19:49
    we had to do this to a honduh, after my mate tried to crack off the crank pulley bolt using spanner and starter motor.....

    honduh motors spin backwards, but the crank pulley bolt is not reversed bugger....

    you may get a little bit of water going into sump, but not enough to be of concern, and it sure as hell stops the motor spinning around.. to remove said water, remove spark plug and turn over the motor by hand..

    For the record
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