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post #1 of (permalink) Old 06-03-2005, 04:02 PM Thread Starter
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Newb question regarding auto hubs

Hi, I am a visitor from the Jeepster board. I am a GM newb, so I was hoping to pick your brains a little.

I just bought a '84 4x4 diesel Suburban to use as a tow rig. Itís a ĺ ton and has the 208 t/c and auto locking hubs. I was wondering if there is a big advantage (especially in terms of MPG) to changing the auto hubs over to manual hubs. When working properly, the auto hubs are supposed to allow the front to freewheel, right? If so, the manual hubs wouldn't provide any mileage advantage over properly functioning automatic hubs. Am I correct on this?

Do the auto hubs have other problems I should be aware of (i.e. are they weak and/or do they have problems engaging/disengaging)?

Thanks,
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post #2 of (permalink) Old 06-03-2005, 08:05 PM
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Re: Newb question regarding auto hubs

So long as the auto hubs are working correctly, they are disconnected from the axle and the wheels turn freely.
I've heard stories of guys in situations where they had to back up while in 4wd. Their hubs disconnected, leaving them with only 2wd.
I thought it worthwhile to replace mine with Warn premiums just in case.
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post #3 of (permalink) Old 06-04-2005, 12:15 AM
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Re: Newb question regarding auto hubs

I've never had any problems with the auto's on my old K5, or my current one. I'd just leave them be, in my opinion.
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post #4 of (permalink) Old 06-04-2005, 03:33 PM Thread Starter
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Re: Newb question regarding auto hubs

Thanks for the info. I will verify that they are working, and if so, I will leave them be. Its not for serious wheelin' anyway.
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