Frozen alternator

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svdsinner

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Joined
Oct 19, 2016
Posts
50
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Ram Year
1998
Engine
5.9L V8
After not being started for a few weeks, I started my 98 2500 5.9L gas engine and quickly shut things down when I realized I had a frozen pulley. The alternator was frozen, but I was able to free it with some penetrating oil and a long wrench on the pulley nut. It now turns fine.

1) is the alternator likely ok, or should replacing it be on the short list? Any easy tests?
2) Is simply replacing the bearing possible, or do they use unservicable bearing?

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dudeman2009

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Feb 9, 2016
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Location
Arizona
Ram Year
2001 1500 Sport with enough electrical modifications to make my brain hurt
Engine
Magnum 360
I'd replace the thing, you can get some good prices on a remaned unit, or take a gamble on a junkyard unit thats still spinning freely.

If it was seized its unlikely that the bearings rusted stuck unless the seals were damaged or they were out of grease. It might run for awhile, but I wouldn't count on those bearings being any good. You can run the old one for a little bit until you can get another one.
 
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