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Torque on flywheel bolts.

Old Jul 22, 2009 | 08:42 AM
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Torque on flywheel bolts.

does anybody know what the torque is for the bolts that hold the flywheel on?
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Old Jul 22, 2009 | 08:50 AM
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You mean that big honking 54mm nut? 290-361 ft lbs.
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Old Jul 22, 2009 | 09:45 AM
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No, i think its like 5 bolts. Ill double check when i get home. But im almost certain its five.
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Old Jul 22, 2009 | 10:39 AM
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Bolt that holds the flywheel on is a single 54mm nut.

Unless you have an aftermarket flywheel and you are attaching it to a balancer. In which case there are 5.

I used loc-tite red and tightened them to 40 ft-lbs each.

Considering the clutch cover bolts are only supposed to be at 33ft-lbs I think.

Last edited by staticlag; Jul 22, 2009 at 10:42 AM.
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Old Jul 22, 2009 | 11:55 AM
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Yeah, the aftermarket flywheels have some number of bolts that make the counterweight and flywheel one unit. Those are likely spec'ed differently from different manufacturers, but are likely in the 40-55 ft-lbs range.

In anycase, the unit as a whole is still bound to the e-shaft by a big, honken' (54mm) nut that you should get to 300 ft lbs.

And I believe that the red loc-tite is recommended by mazda as well as the aftermarket flywheel makers. IIRC, there is a pic in the manual that tells you specifically where to place it on the threads. not too far in, not too far out. Not sure why.
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Old Jul 22, 2009 | 12:50 PM
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Oh. Ok i see what your taliking about now i think. thanks.
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Old Jul 22, 2009 | 01:04 PM
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