Question about 1989 Isuzu Trooper

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1989 isuzu trooper autolocking hubs

I recently purchased a 1989 isuzu trooper from a buddy at work, The four wheel drive doesn't work right because the passenger side hub and transaxle are no good. The driver side looks fine on inspection but the passenger is missing most of the guts and the axle is just slopping around inside what's left of the hub so I'm sure the splines are shot. I have to buy new hubs and at least one axle, I would like to switch over to manual locking hubs and eliminate the autolockers altogether. Is this possible? Do I have to buy two new axles to work with the manual hubs? Any advice would be greatly appreciated, Thanks

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The autolocking hubs are vacuum operated.. Check the small hoses at the back of the hubs for cracks or a broken off fitting.

Posted on Dec 31, 2008

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1 Answer

Oxigen sensor


OK, so now I know that you have a 1999 Isuzu Trooper Equipped with a 3.5L V6 DFI DOHC engine, 4-wheel drive, four wheel disc brakes, four wheel antilock system, 108.70 in. wheel base, with a standard curb weight of 4465 lbs.

WHAT ABOUT "oxygen sensor"???

Apr 14, 2012 | 1999 Isuzu Trooper

2 Answers

My 4 wheel drive quit working in my isuzu trooper i can see the front drive shaft turning but the front tires are not spinning


do you have auto locking hubs? if so save yourself the hassles i did not and buy a decent set of manual hubs.my 1989 4 wheel just gave up one day..no wear on axles..front drive shaft spinning but no action..i replace auto locking hubs and re assembled to no avail...no answers why either...have pulled it all apart and put back together many times and no change,only to be told to put manuals in and live happily ever after!!done ....and done!

Jan 08, 2011 | 1989 Isuzu Trooper

1 Answer

I have a 1999 Isuzu Trooper and when I hit the auto 4 wheel drive button it blinks and doesn't engage. The 4 wheel drive works fine. Any ideas what the problem maybe??


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.

Jan 28, 2010 | 1996 Isuzu Trooper

1 Answer

1989 isuzu trooper right front wheel clicking and does not engage in 4 wheel drive (when all four wheels are in the air)


Check the automatic locking hub on the right side. BEWARE: You MUST have the appropriate special service tools for this job!!!!!

The vehicle will not engage in 4WD operation when the vehicle is off the ground, as the automatic locking front hubs require front wheel load to engage. When the hubs DO lock, it is normal to hear 2 to 3 soft clicks. Anything after that indicates a problem.

If memory serves, there is a cam bushing behind the plate that will wear out, and if the plate is worn out, the hub clicks and will not engage.

Jan 07, 2010 | 1989 Isuzu Trooper

1 Answer

2002 ISUZU TROOPER PROCEDURES TO OPERATE THE FOUR WHEEL ENGAGING


Just press the 4wd button on the dash at any speed up to about 40mph and press again to come out .
When you turn the key on and the oil and battery lights are on the little green 4wd light should be on too if its flashing or not on check your fuses in the drivers footwell.

Dec 21, 2009 | 2002 Isuzu Trooper

1 Answer

How can i replace my r/front axle c.v boot on my 2001 isuzu trooper 4X4


this is a realy big job you need to strip out the 4 wheel drive hub just to get to the wheel bearings,,, not some thing for the novest to even try to do,,,best thing is to get a book on it first, after you have striped out the 4 wheel drive hub and took off the wheel bearings and disk (rotor) you still need to push the drive shaft through the hub and thats very hard as well, and you got to pop off top and bottom swivels,,,and finaly you can get to the rubber boot,,,,,all £3.50 of it!!!! but £250 just to get to it? try sticking a push bike patch over the split,,,its far easer and quicker

Nov 15, 2009 | 1998 Isuzu Trooper

1 Answer

1998 isuzu trooper torque on demand lights go off when truck stops moving


It is Torque On Demand. When you are stopped there is no need for the front end to be engaged, no demand. Once you start moving, the lights should begin working as the demand for four wheel drive engagement increases, if the conditions require four wheel drive. It's the way the system works. Enjoy!

Aug 10, 2009 | 1998 Isuzu Trooper

1 Answer

1989 isuzu trooper jeep 2600 cc 4ze1 gas engine just had head gasket replaced. when engine but back there was current in to coil but not out other end. tested coil in other car and it worked. The...


1989 Isuzu Trooper 2.6 5 speed. 4x4 jumps in gear by itself. 4x4 shifter is pulled hard back and held there but on highways it will jump back into gear. Have to stop and back up to unlock automatic hubs. Any suggestions?

Mar 12, 2009 | 1989 Isuzu Trooper

1 Answer

1989 1suzu trooper, Autolocking hubs, want to install manual.....


Manual hubs are worth getting. I have found them on a few LS models at junk yards. CV axles are the same for auto or manual. A dab of mid-strength threadlock is vital to keeping the handful of 8mm bolts tight. Patients is key for this job & a set of clip removers.
When you change your CV axle there are four bolts that remove the ball joint bracket. It is a fairly simple job once you do it a few times. I refuse to invest in a boot crimper (I REALLY need to get one)for the CV boot clamps and always pay the price because if you get the difficult boot rings they are a hassle. Mike W

Dec 31, 2008 | 1989 Isuzu Trooper

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