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240 92 Harmonic Balancer spins on crank?

VolvoNutt

VolvoNutt

K-jet Newbie
Joined
Jan 30, 2017
Location
Colorado
My HB does not click or snap onto the crank, it just spins freely. Is this normal? There is no Key to hold it in place.

Sorry if this is a dumb question, just my first time going back together with one after doing a TB.:oops:
 
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The balancer should engage a nub on the crankshaft gear, unless the nub is sheared off. It's not a big nub, just enough to located it, prior to tightening.
 
You either put the crank gear on backwards or sheared the nub off.

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For gentle alignment purposes only. One little nub fits into the slot on the crank, and the other (protruding upwards off the face of the gear) fits into a little notch on the front pully/harmonic balancer. It's a small nub, it will only engage when the pulley is about fully seated.
/that's what she said
 
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The balancers also have a nasty habit of spinning on their hub. Make sure it's not the outer pulley that's turning while the hub is stationary.

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I've had the "spinning" thing happen where the rubber broke down. Just need to put a new one on if that's the case. Strangely I've seen it way more frequently on 740s but I can't tell you why, I think they're both the same...

Saw you are in CO-where abouts?
 
This old HB is not going to hit the nub unless i torque it down with the gun. Should I be able to do it by hand? Would a new HB go on by hand? I really don't want to wait for a new HB to come in the mail but if I need it then thats a priority.
 
You should be able to walk it onto the crank by hand without much issue. If it won't slide on, maybe clean the rust/corrosion from the crank and the ID on the balancer.
 
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