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Discussion Starter #1 (Edited)
Hi there, bought my samurai just before christmas and just decided to see if the 4wd works ok as we have a little snow. Tried it on my street to see if all wheels would spin and only the rear wheels will spin:mad:. Tried it in both 4WD High and Low but nothing. Any ideas?

Also there is a rasping noise when in a high gear with low speed and foot down?

Thanks in advance.:)
 

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Discussion Starter #2
OMG im such an idiot! It was the freewheeling hubs, i was told they were to lock the wheels together? Anyway it works ok now, but am i correct in that the freewheeling hubs are to disengage the front diff from the wheels to prevent wear when not in 4WD?. But you can leave them in the locked position but it will wear the front diff. But i have also heard that you only lock them when you want the front wheels to move together and shouldnt be used apart from when stuck and certainly not when turning the wheels. Now they may be two different things but i would appreciate if somebody could clarify for me, many thanks!
 

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Glad you figured it out. Your explanation is right on the money. If you don't need to be in 4wd, keep them unlocked.

If I am on a trail or in loose sand or snow I will keep them locked and go in and out of 4wd using the shifter, but trying that on the street will cause excessive wear.
 

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and to answer your second question, yes those are two different kinds of lockers. Locking hubs are not the same as a differential locker. Differential lockers lock the two wheels together so that they spin at the same speed. There are a bunch of different kinds, Limited slip, Spool, Auto-locker... just naming a few. Not good for driving on-road with the front diff locked. Some people run a front diff locker and they unlock the hubs on-road so that the front end is still freewheeling when on hard surfaces. and as Billjohn said, don't run 4wd on traction surfaces. It will tear up your T-case.
 

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Discussion Starter #6
Anyone have any idea on the noise it makes? Example would be at 15 mph going into 4th gear and putting my foot to the floor, as cars do the engine struggles and vibrates more than usual. Well when this happens there is a god awful noise from the engine bay, most likely from the left i think. It sounds like metal on metal although i could be mistaken. It goes away once the revs pick up and doesnt do it in any other situation, just low speed for the gear. Also what is the trim called on the body between the wheel arches, the long strip with the bits at each end to connect to the wheel arches. Sorry for the essay, tried to describe best as i could.
 

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I would start by pulling apart the hubs and work my way to the birfield checking for cracks, breaks serious wear.

Sounds like you are asking about the plastic rocker covers.
 

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Discussion Starter #8
Pretty sure its not coming from there. Any other ideas, had a look at the engine mounts earlier but there was nothing obvious. Thanks
 

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You won't be able to tell if the motor mount is snapped unless you lift the motor. Use a floor or bottle jack and jack up the motor from the oil pan. See if the mount lifts off the bracket. The drivers side is a common break.
 
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