balancer/ pulley - Nissan Xterra Forum
 
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#1 Old 09-07-2012, 08:50 PM
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balancer/ pulley

I'm having trouble getting the harmonic balancer off. It is just the two little holes u put bolts in then pull it off with a puller right?
Also the valves could be shot to hell and back when the timing belt broke and I cranked it trying to get it running? Is it hit or miss if anything happened to them? I have heard that they will be fine but I have also heard they will be majorly screwed up.
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#2 Old 09-07-2012, 08:59 PM
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Originally Posted by 33xterra View Post
I'm having trouble getting the harmonic balancer off. It is just the two little holes u put bolts in then pull it off with a puller right?
Yep. Remove the crankshaft pulley bolt and washer then thread in the two M6x1 bolts to secure the puller then using an impact pull the pulley.


Quote:
Also the valves could be shot to hell and back when the timing belt broke and I cranked it trying to get it running? Is it hit or miss if anything happened to them? I have heard that they will be fine but I have also heard they will be majorly screwed up.
Pretty much.

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#3 Old 09-07-2012, 09:14 PM
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thanks.
I don't understand how some can be messed up and some be fine. Could it be because of Like carbon buildup or something? Or just a matter of howany revolutions the motor did after it broke? Oh and technically it didn't "break" just teeth got ripped off at the crank pulley. Does that make a difference. Sorry for all the questions but my duramax is gear drive so I don't really know too much about timing belts lol.
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#4 Old 09-08-2012, 08:25 AM
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It all depends on where the valves are in the cycle. Most break by shearing teeth.

My pulley was rust welded onto the crank shaft and the shop I went to had to cut it off. Broke one puller, and stripped out a hole trying to get it off. Try heat, PB Blaster, gentle persuasion to get it off.
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#5 Old 09-08-2012, 05:26 PM
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ok thanks for the tips. hopefully I'll get the new one tonight.
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#6 Old 09-08-2012, 06:51 PM
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where does the timing mark on the cranks go? straight down?
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#7 Old 09-08-2012, 11:15 PM
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I figured it out. now I can't find how to tighten the tensioner. where does the spring go? I don't remember where it was when I took it off. but good news is that it started right up and ran smooth so I don't think any damage occurred.
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