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Alt pulley HDi
#1
Sourced main problem of torn serpentine belt.
Pulley got play.
It's a non overrun type pulley.
I think it also destroyed the alt axle. Is that common?
It must have been my mistake, but don't want to repeat it.

There is no woodruff key, just pulley, washer and nut. Washer was bent prior to installation, seemed like a springy one, but probably wasnt?? It just used smaller contact area to grind in. Air gun wasn't strong enough to compress it enough.

Now in search of pulley, maybe rotor?

[Image: 2013-05-27-1742_zps84861b85.jpg]

[Image: 2013-05-27-1743_zpsd7c26ba5.jpg]
[+] 1 user says Thank You to dwr400 for this post
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#2
Got new pulley, torqued it with better airgun, made two small welds nut to axle, working fine now.

It was not torqued enough, as my airgun had too little pressure due to restrictive air hose. Nut came loose just bit, pulley got play, warn itself, belt came off. No major damage was done. luckily, had all the parts in stock for the belting service, as all had 8 years and 74000 mi of running.
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