Harmonic Balancer wont go on

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  #1  
Old 02-04-2011, 09:51 AM
1976camaro's Avatar
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Exclamation Harmonic Balancer wont go on

Hey everyone its me again. So i got the timing chain and gears on now i got the timing cover and the timing tab i cleand the crank shaft head and i geased it and i greased the harmonic balancer but when it get halfway on or a little past halfway it just stops. i know it not on all the way because the inded on the balancer is still visable and i cant put the pully on bolt threw. Any one know what is causing it not to go on all the way
 
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Old 02-04-2011, 10:04 AM
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its a tight fit, are you sure the key is both at a slight downward angle so the crank will easily slip over it AND its lined up straight with it. sounds like the key is whats stopping it
 
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Old 02-04-2011, 10:04 AM
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It should draw the rest of the way on (easily) by tightening the bolt. If it doesn't, I'd look for scratches or gouges in the nose and take them down with some emry cloth.
 
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Old 02-04-2011, 11:08 AM
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DO NOT use the stock bolt to pull the harmonic damper on, you take a big chance of stripping out the threads in the crank. There is a proper installation tool to use for this job. Places like AutoZone will loan the tool out, with a refundable deposit.
 
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Old 02-04-2011, 11:09 AM
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i have already cleaned the nose with emery cloth and i took a flat head crewdriver and slid it across to remove and thing and it was smooth... its on straight it just stops for some reason and i still got like a 1/2 inch to go or an inch to go
 
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Old 02-04-2011, 11:10 AM
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i got that tool but it broke on me so i went to NAPA and boguht a $74 dollars one that is 1 peice and the adpater is a solid bolt not a 2 peice bolt that is welded
 
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Old 02-04-2011, 11:37 AM
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Are you putting on the same damper you took off?
Make sure your key isn't sliding in and up out of the back side of the slot.
 
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Old 02-04-2011, 11:40 AM
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ya its the same one... what do you mean by that... how does the key move
 
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Old 02-04-2011, 11:43 AM
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also try heating the hub of the balancer, not with flames but hot water. dont heat the balancer much, it has rubber ring in there that can be deformed by to much heat. if your in the cold part of the country you may get away with bringing the balancer to a warm room temp. like 70 degrees. the crank will be cold and shrunk.
 
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Old 02-04-2011, 11:45 AM
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When you're first putting the damper on, the key is still exposed on the back side. It's possible that the damper could drag the key back and ramp it up the back edge of the slot.
 


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