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1993 4wd does not engage. Any particular area to look first. Auto hubs no noise. Light indicate 4wd is on. Any commen problems?

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A bit hard not knowing the make or model but with L300 and alike with auto hubs they rely on the tailshaft spinning faster to engage the hubs similar to the operation of a limited slip diff, it only engages when needed. If you want to test it make sure you place all 4 wheels on stands or you will get hurt

Posted on Nov 25, 2013

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Posted on Jan 02, 2017

pakis
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SOURCE: 1993 Isuzu Trooper auto locking hubs not engaging

Just have your auto - locking hub cleaned and use your 4wd more often, it get stock usually for non usage. dont use grease after cleaning, use oil or thick silicone oil.

Posted on Dec 05, 2008

  • 1 Answer

SOURCE: 4 wheel drive (auto locking hubs) seems to be trying to engage.

I had the same thing happen. The automatic locking hubs are faulty, causing one or both hubs to try to engage or disengage onto the front driveshaft. This makes the clicking noise and loud clunking that you hear. You may notice your steering pulling to one side of the road,because one hub is locked in. Replace the automatic hubs with new ones, do not try to fix the old ones. I liked the
convience of automatic hubs but replaced mine with manual hubs, there just way more reliable.

Posted on Jun 06, 2009

  • 6982 Answers

SOURCE: Front hubs not engaging or disengaging clicking

Is the front driveshaft turning but the wheels are not? or is the noise coming from the transfer case and the front driveshaft is stationary. If the driveshaft is not turning the problem is inside the transfer case. If the driveshaft turns, remove the front differential cover and make sure the gears are not damaged. Before doing that though, If the boots on the axles are torn, chances are that the c/v joints (one or both) have failed. The front diff is an "open type" which means that the wheel with the least amount of traction will receive all the power. If a joint fails there is no "traction": at that wheel so the opposite one will not turn as well. You will see the axle turning but the wheel will remain stationary. If joint has failed, most times it's faster and easier (and not much more $ to buy a complete rebuilt axle). Chilton or haynes manual outlines r&r...not terribly difficult job but if you have any questions about any of it just ask!

Posted on May 29, 2010

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1 Answer

4wd won't engage


if it is the auto hubs you have 2 possible problems. 1 if the 4wd light comes on and the hubs do not engage you have a vacuum problem, could be broken line or plugged line they are both rubber and steel.you could also have a bad vac actuator. If the 4wd light dose not come on you have an electrical problem either wiring or switch in the transfer case.

Oct 14, 2013 | 2000 Kia Sportage

1 Answer

Four wheel drive stays engaged


Is your battery light on the dash on? When my alternator died, my hubs were auto locking due to low voltage in the 4wd selector even though 2wd was selected. The problem corrected itself when I installed a new alternator.

Apr 21, 2013 | 2004 Ford F250

1 Answer

Lots of noise comming from free wheel hub and bearing while in two wheel drive and just before comming to a stop it actually feels like it engages i took the free wheel hub off and the noise stopped a


the freewheeling hubs work when the axle is driving by transfereing the drive to the hubs from the axle. If you remove the hubs and the noise goes I suggest the problem is not in the hubs but in the cv joint just inside the hub. When you engage the F/Wheel hubs you are loading up these cv joints and if they are worn then that is when you will get the noise

Jan 29, 2013 | Cars & Trucks

1 Answer

1994 4x4 V6 rodeo isuzu squeaks every time I turn the wheels could it be the cvjoint


Possibly. Could also be wheel bearing, brake pad, or other component. Isolate the noise, if you can, by driving slowly and turning left and right, seeing if the noise changes in either direction. A noise that gets louder indicated a problem with the OPPOSITE side or outside components on the turn, as they have to turn slightly faster.

CV joints usually make horribly loud grinding sounds. See if the sound is worse when 4WD is engaged or goes away. It is also possible that the auto-locking hub could be a problem. The hubs were a large problem in the early days of the product.

Jun 24, 2010 | 1994 Isuzu Rodeo

2 Answers

Front drive shaft not fully engaged in 4WD, with truck on stands all 4 wheels do rotate but if i stop front wheels the front drive shaft is not engaged


Hi,
Do you have auto locking hubs on the front wheels, or manual locking hubs?
If you have auto locking hubs chances are they are not engaging properly and will need to be removed and spline sets checked for broken teeth on locking hub and locking shaft.
If you have manual locking hubs then check that they are firm when turning to engage them in the lock position.If they are light when engaging them to the lock position then they my have broken/worn out the locking hub and spline. Also check that the engaging spring inside the hub has enough tension to engage the hubs they may be broken. If the hub are all ok then you have a problem in the transfer box, where the 4WD lever is not meshing the transfer box properly. Hope this helps, let me know how you get on.

Jason

Apr 04, 2010 | 2002 GMC Sierra C/K1500

3 Answers

Front axle does not engage when I shift into 4wd


http://www.fixya.com/cars/t2084504-4wd_wont_work_1999_chevy_tracker_but

If you tracker doesn't require you to be in park or neutral when engaging 4 wheel drive then please try the link above.

Dec 21, 2009 | 2001 Chevrolet Tracker

2 Answers

4 wheel drive (auto locking hubs) seems to be trying to engage.


I had the same thing happen. The automatic locking hubs are faulty, causing one or both hubs to try to engage or disengage onto the front driveshaft. This makes the clicking noise and loud clunking that you hear. You may notice your steering pulling to one side of the road,because one hub is locked in. Replace the automatic hubs with new ones, do not try to fix the old ones. I liked the
convience of automatic hubs but replaced mine with manual hubs, there just way more reliable.

Jun 04, 2009 | 1994 Ford F350 Crew Cab

1 Answer

Noise when engaging 4wd


I have had this problem and it could be one of three things, first the truck has automatic locking hubs, lack of lubrication to these hubs could cause them to make exessive noise while engaging. also you could need to lubricate your universal joins on your forward drive shaft. lastly my problem was abs wheel sensor actuator in drivers front hub had (internal part of hub looks like a large gear with teeth) had broken a gear off causing the hub to get wear in it making it clunk while engaging the four wheel drive.

Dec 20, 2008 | 2000 GMC Yukon

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