I don't seem to have any 4WD on my 2A - how do i work out where the problem is? Both my levers seem to be moving as they should - yellow knob pops up when it should (I have to roll/drive the landy a bit to re-engage Hi-range, but this happened before it broke and i presume is down to wear somewhere) I have both low and high range, and can drive (in 2WD) in both of them. 4WD doesnt seem to work in either though.
I have free wheeling hubs on the front axle. they are both in the 4x4 position, and i've had them both apart, and they seem to be working, and engaging.
I'm presuming that my problem is either going to be:
transfer box :( front diff a broken halfshaft a FWH not engaging properly
How do i check which one of these it is?
If i was to jack up the front axle/one front wheel, what behavior should i expect when i try to turn the wheel(s)? what else can i do to diagnose it?
At the moment, If i put it in 4WD and low box, then jack up either front wheel, i can spin them both, and nothing else moves. If i jack up both sides of the front axle, I can do the same - both wheels spin independantly and dont move anything else. I was under the impression that one wheel should spin the other, or they should try and turn the prop (which when in 4wd wouldnt be able to turn, cos the rest of the drivetrain would stop it). Is this behaviour implying diff problems, or hub/halfshaft problems?
If i lie under the car at this point, and try to turn the front prop with my hands, I cant turn it far (It has a little bit of movement, but thats normal isnt it?). From this, I gather that my transfer box is infact engaging 4WD. am i right here?
As a back story, which may have something to do with the problems, I had to replace one of my FWH's a couple of weeks ago. I know my 4WD was working a couple of weeks before i did this. I had to replace the hub because half of it went AWOL - the bit on the end that you turn which moves gears around to mesh the hub/halfshaft or not. (I dont know if it fell off, or was taken off - It is held on by 6 little tight (I did em up bloody tight!) allan headed bolts).
Before i noticed my lack of hub, I had driven around for up to 3days (since i last looked at the wheel and saw it intact!) with one broken FWH (so disengaged), and one intact engaged FWH. Could this have damaged something? I noticed that the hub was missing when i did a ~15mile journey, and was getting a clonking noise. On the second stop to investigate it (I intially thought my exhaust was broken..) I noticed that my hub was half missing, and that my wheel nuts were all loose/missing (this was the clonking noise). I know that when i put the wheels on (a couple of months ago), I did em up with my powerbar, but stranger things have happened! Could any of this have done some damage somewhere? Could the diff/halfshaft have got upset when i drove with one hub engaged, and the other not?
Thanks!
Tom