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An idler pulley is a non-driven pulley over which a belt rides.
If you relax your belts you can rotate the small pulleys between the pulley on the engine that drives the belt and the device being driven. There are idler pulleys on all your belts and those pulleys should rotate freely without any rough feeling or noise. If they don’t rotate smoothly or without noise the bearings should be replaced.
Your alternator belt can be relaxed by sticking a 1/2″ drive socket wrench or bar in the belt tensioner and rotating it. The other belts can be relaxed with the air valve at the top center of the engine bay.
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Like everything else I do…… I have to make it into an even bigger project. I wondered how in the hell the front of the motor could get that much corrosion on it. The aluminum gear covers on the front were completly covered with corrosion. So I guess I will just clean it up good before I put the idlers and belts back on it..

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Steve did you replace the old belt tensioner with the update auto belt tensioner nows a good time to do it when it’s all apart, Nice job
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What you have done is the equivalent of opening Pandora’s box. I hope you now realize you have to polish the aluminum valve cover, polish the copper coolant line connections, paint the harmonic balancer and all pulleys, etc.
It never ends…………..
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Peter,
When I thought about that I had already bought the new bearings and had them pressed in. If I ever have to change the bearings again, I will probably would do it. I am going to use my belt tentioner guage and hope for the best.
Tom,You got big shoulders son…………
Jon,
I know exactly what your saying, I will sneek in the barn while she is sleeping and apply a little paint and powder when I have time. Although I know I can not make a silk purse out of a sows ear…………..
Steve
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Steve, you gonna be wearing a 3-pc designer suit the next time we see ya now that you’ve taken a few sips of that Liberty kool-aid ?
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Steve ain’t like that. If he was he would have his people doing the work.
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Geo,
I thought I would snap a little selfie of myself in my work clothes before I change the hub seals on my “Liberty Coach”

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You look just like Jon ‘cept with hair as he ‘rolls” into his pit. Geo.
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Another project in the books, idlers & belts “check”. Just a little pressure washing down on the bottom side and this one is done !
Steve
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From now on Steve is going to be the official engine checker at rallies.
If needed he will provide the tooth brushes, degreaser, wax and copper polish.
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