Hello i have a f reg trooper i know that gear box n transfer are ok it all works fine till i get to the auto hubs they seem to go in and out clunking and banging could u help please frm a desperate owner of a wannbe chelsea tractor any pictures would be great my manual dosnt seem to have any in of the hubs.
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Re: problems with my auto hubs on isuzu trooper f reg
I replaced the autohubs on my 90 trooper with a set from Warn. $180 and 2 hours. You might want to check the U-joints on the output shaft for the Front Diff. they can make lots of noise when they go bad.
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A lot of these troopers had a module on the side of the transfer case that put the unit into gear. They go out fairly often. Also check the solenoid on the front axle that engages the front axle as they are another problem that will cause the front axle not to engage
While driving, apply the foot brake and press the 4x4 button. If it engages, it can be bad auto locking hubs, or a bad torque converter. This is the same problem I am having right now but I was able to the get the 4x4 to work by doing what I described above. I am going to take off the wheels and check the hubs and eventually work toward the torque converter. I'll keep you updated.
Well if its a Auto matic, then you have either low in oil, or if level ok then its either the micro filter in the oil pan on the box ,or the body valve that lets the pressure go to the pistons which drive the forward and reverse driving belts ( which work the oppersite to the brakes which stop you these make you go).
BUT if a Manual gear box then its due to the clutch assy or the imput shaft broken in the centre plate
Let me know how you get on . RON
My 94 wouldn't hold it's gears and would drop down and over rev. My problem was the oil. It should be Dexron 2 and some body had put the wrong oil in. It was drained refilled run for a while and drained again, then used for about 2 weeks. Drained it again etc and it's been fine ever since.
Hope this works for you, good luck.
In the fuse box there will be those black boxes, they are called relays, there will be one of them for the flasher. You could swap this with a known good one (AC or something) and see if that helps your problem