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Harmonic Damper w/A/C pulley - flummoxed!
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Author:  Eatkinson [ Sun Feb 24, 2013 7:22 pm ]
Post subject:  Harmonic Damper w/A/C pulley - flummoxed!

As a side topic to the ever-lengthening Engine Rebuild thread in this same forum (thanks to all who are helping and responded on that), I'm running into an issue removing the harmonic damper on my 225.

I don't remember exactly what the damper looked like on my 64 225 which was a factory-original A/C car, but my '63 wagon did not originally have A/C. At some point when aftermarket A/C was installed they bolted a pulley in front of the original damper.

In trying to remove the damper, I discovered I must first remove this bolted-on pulley because the center hole of the A/C pulley is not large enough to allow the puller foot through it to push on the end of the crankshaft. Tried a few different ideas to force the pulley off, but it's holding fast. Despite un-bolting it, I believe the center of the additional pulley plugs through the original damper center hole, creating a very tight fit.

Does anyone have ideas how to get this off? Is there some kind of a tool that would aid me here? The standard puller is useless right now. If I had something with two feet that might expand with a threaded rod, that might do the trick. Anyone know of something made that would work for this?

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Author:  emsvitil [ Sun Feb 24, 2013 8:18 pm ]
Post subject: 

Find a socket that will fit thru the first pulley and hit the crank.

Then push against the socket (might need something on end of socket to protect socket from gear puller)

Use socket with lifetime warranty in case it breaks........

Author:  Fopar [ Sun Feb 24, 2013 8:23 pm ]
Post subject: 

You might try putting a socket into the hole then put a washer (2 or three) on the socket then use your puller.

Richard

Author:  Eatkinson [ Sun Feb 24, 2013 8:30 pm ]
Post subject: 

Socket's a good idea, I'll try that, thanks. However, won't be able to use a bunch of washers because the hole through the damper/end of crank is quite deep. Wouldn't be able to keep the washers 'standing' in place with anything. Will let you know how I fare.

Author:  Fopar [ Sun Feb 24, 2013 10:45 pm ]
Post subject: 

Try putting wheel bearing grease on them.

Richard

Author:  Brussell [ Mon Feb 25, 2013 1:02 am ]
Post subject: 

I'm assuming somethings been pressed in, if ALL else fails I'd just cut and grind the AC wheel off, more cutting less grinding.

Author:  mattelderca [ Mon Feb 25, 2013 8:18 am ]
Post subject: 

Try spinning the aftermarket pulley while holding the OEM balancer.
Use an old fan belt around the pulleys and a long 2x4 for the lever.
I have a 2x4 with a bolt through it that I hook the fan belt on, make a kind of strap wrench. Maybe this will break the pulleys free from each other. I can't see that it would have been a real press fit, I think you just need to break the bond.

Author:  Doc [ Mon Feb 25, 2013 9:19 am ]
Post subject: 

Usually, these are a tight "slip fit" into the factory damper but a nick, rust or dirt build-up, can lock them together.

Spray everything with "blaster" and try the rotation trick noted above.
You can also try to carefully wedge a stiff blade between the 2 units, to see if you can "split" them apart...
Sounds like it's "spray, wiggle-jiggle, fuss-around" time.
DD

Author:  Eatkinson [ Mon Feb 25, 2013 12:41 pm ]
Post subject: 

Got it, thanks men. Re: 'jiggle-jiggle-fuss-fuss' time, I did tap lightly on the A/C pulley with a rubber mallet to try to break them apart: didn't seem to help much. Any potential damage done by increasing the force of my swing?

Author:  Eatkinson [ Wed Feb 27, 2013 11:23 pm ]
Post subject: 

Update: It popped out tonight, after a few shots of Pblaster. Seems like there may never have really been an issue, just grit and grime locking it together. Thanks for the suggestions!

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