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Auto Hub Problem

I have an '86 Power Ram 1/2 ton. Recently the 4WD quit working. The differential locks in, but the hubs don't appear to be locking in. On Ice, the front drive shaft turns, but no wheel spin. I figured something was up when the indicator light on the dash quit coming on when I'd "lock it in".

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SOURCE: remove front axle from differential on 2003 dodge ram

That works fine on a relatively new vehicle but one that has run in salt etc you'll save a lot of time if you remove the steering knuckle completey by separating lower ball joint and outer tie rod end ball joint and bring the whole steering knuckle to a bench to separate the hub/bearing. Soak everything with penetrant, loosen the bolts a few turns and try hitting right on the bolt heads. I also made a very sharp wedge from a chisel and rammed it hard on the other side to seoarate the hub. It will finally come apart then you'll see all the **** that was binding it due to an alumininum knuckle re-acting with a steel hub. Clean the hole and grease everything and fit new bearings

Posted on Feb 15, 2009

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SOURCE: can not get hub or disc off of front axle to replace disc

You can try two options. First is beat it until it comes off, this usually leads to the hub assembly coming with it and pieces everywhere. Then you have to replace both. The other is to find a puller that attaches over the studs and presses in on the hub assembly at the same time. Be careful though there are two or four bolts on the back side that if not removed will also tear up the hub assembly. Either way after the first side you will have it figured out for the second. Don't forget to use plenty of PB blaster.

Posted on May 12, 2009

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SOURCE: I have a 1997 Dodge Ram 1500 4 wheel drive. I

i have found that you need to first make sure the cv shaft is moving free in the bearing. soak everything with penitrating oil. you should be able to move shaft in & out a little. the hub is a very tight fit. you need to tap it some from side to side untill you see a little gap between hub and spindel. then place the head of a flat screw driver in that gap and all around the hub, prying back and forth where ever possible. soak, tap and pry all over. be hard on it if replacing, more gentle if not. good luck.

Posted on Jul 18, 2009

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SOURCE: 2002 dodge ram 4WD front hub bearing

Here is the easiest way . take a 14mm socket and extentsion and place it on the bolts and place againt your axle tube and start your truck and turn your wheel against it instead of pounding you will use your powersteering like a press to get your hub out its quicker and less strenous than pounding on the bolts ive done this many times i even made a extentsion for it i use a 14mm 1/2 drive shallow socket and a extension thats about 4 inches long i know im posting late on this one but if it helps anyone out then great

Posted on Nov 09, 2009

  • 336 Answers

SOURCE: 98 dodge ram 4wd hub assembly. passenger side. is

Yes there should be a washer under the castle nut. Yours may have stuck to the hub when you removed it.

Posted on May 16, 2010

dj_relly999
  • 4070 Answers

SOURCE: problem separating front hub from axle shaft on

Hi! May I ask if the nut that holds the shaft keeping you?

Posted on Aug 17, 2010

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Can't get my 95 Geo Trackers 4WD to work. The indicator light works still but the wheels themselves won't engage. Can anyone plz help me out with what might be my problem?


For Trackers (and Sidekicks) of this era (1989 to 1998) the front axle locking device is a locking hub on each front wheel. (There are no actuators until the model change in 1999.) Locking hubs come in two flavors, Manual and auto locking hubs. A look at the from wheel should tell you what you have. Manual hubs have a knob like lever with the word "lock" and "free." Auto hubs say "Auto-Locking" right on them. Both types of hubs require servicing periodicity. (Normally annually.) This means removing and disassembling. Then cleaning and light greasing before reassembling. There are some good videos on the web on how to service the manual hubs. Auto hubs are a little harder to ensure they are working properly, but some people like them. (Not me.)

Please note two things:
1. Due to differential action, BOTH hubs need to be locked for any power to be applied to the front wheels.
2. Trackers of this era are PART TIME 4x4, NOT all wheel drive. They have nothing providing for different wheel speeds front to back like a center differential. This means they should NOT be used on non-slippery surfaces like dry pavement. Beside causing handling and braking issues, it can destroy your transfercase driving on dry pavement in 4x4 due to what is called "driveline wind up".

PLEASE if you do not understand this, look it up... if you still do not understand, ask and do not use the 4x4 until you do.

Feb 18, 2015 | 1995 Geo Tracker

2 Answers

WHY DOESNT MY 4WD WORK


Sounds like you have snapped the Pin in the front pumpkin or a gear has broken. Is their any clunking up front when in 2wd?

Feb 16, 2015 | 2006 Chevrolet Trailblazer

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2004 envoy 4 wd quit working


I had TONS of issues with my 2001 Jimmy 4wd. A few things to check; the 4wd actuator switch, the vacuum switch, hub assembly, and the electronic 4wd dash switch.

Apr 19, 2014 | 2004 GMC Envoy

1 Answer

Do i have to remove the differential housing cover to remove C - clips or can i just unbolt the hubs and remove both lock nuts on the hub because I want to check my rear brakes on a 65 chevy 3/4 ton...


Hi! sensenicht
Are there bolts on the outer hubs. If so removing the axel hub bolts will allow you to pull the axles. You should be able to remove the lock nut, lock washer and adjusting nut (second nut) to remove rear brake hubs and drums. The C-Clips are only used on the half ton and lighter cars. This is called floating axels.
Its important to replace the hub seals on the inside of the drums. A small amount of axel greese will make your brakes not work properly.
InMrFixIt

Jun 25, 2011 | Chevrolet 2500 Cars & Trucks

2 Answers

I have a 96 chevy 4x4 and my front wheels aren't pulling. i replaced the acuator and still nothing. 4x4 light flashes in 4L and 4H. what could be the problem. is there auto locking hubs on that model...


no there is no auto locking hubs. 96 chevys have a ifs (independent front suspension) this give it more ground clearance but does not have lock out hubs, the cv axles go into the front differential an spin freely until you put it in 4wd, how this works is your transfercase spins the drive shaft that goes into the front differential an while you put it in 4wd it sends power to the actuator to lock the front differential. if your front end isnt pulling you either popped your 1 of your cv axles but if you did this you would know because it makes a very loud thunking noise while you're driving, my guess is you have a short thats not sending power to the actuator. check to see if the wiring harnesses are connected and check if the fuse that operates the 4wd in the cab of the truck is not blown. also actuators for these trucks are horrible they go out alot. also you can try reversing a few feet putting your truck in neutral an then try putting it in 4wd

Feb 11, 2011 | 1996 Chevrolet K1500

1 Answer

I got a 96 chevy 4x4 and my front wheels aren't pulling. i replaced the acuator and still nothing. everything sounds like it is engaging but no turning of the front wheels. do 96 models have auto locking...


96 chevys have a ifs (independent front suspension) this give it more ground clearance but does not have lock out hubs, the cv axles go into the front differential an spin freely until you put it in 4wd, how this works is your transfercase spins the drive shaft that goes into the front differential an while you put it in 4wd it sends power to the actuator to lock the front differential. if your front end isnt pulling you either popped your 1 of your cv axles but if you did this you would know because it makes a very loud thunking noise while you're driving, my guess is you have a short thats not sending power to the actuator. check to see if the wiring harnesses are connected and check if the fuse that operates the 4wd in the cab of the truck is not blown. also actuators for these trucks are horrible they go out alot

Feb 11, 2011 | 1986 Chevrolet K1500

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

2 Answers

2001 Kia sportage light indicates the 4WD is engaged but it is not


IT IS PROBABLY THE LOCKING DIFFERENTIAL. IT USES A VACUUM TO LOCK IN THE FRONT WHEELS. CHECK TO SEE IF THE HOSES ARE ROTTED OR CHRACKED OR TORN. OR IT COULD BE THE VACCUM TANK OR PUMP IS BAD

Feb 14, 2010 | 2002 Kia Sportage

1 Answer

1986 GMC Jimmy 4WD problem


Rich. There is a vacumn engagement of the front differential. The switch is on the transfer case. There will be a vacumn motor(looks like a curise control unit if you're familiar with them) under the hood with a cable running to the front diff. Make sure it functions when you engage 4wd. Probably does. If not, make sure it is getting vacumn by removing the line. It should **** on your finger when covered. If this all works properly, you could have trouble in the front diff. Don't forget the simple stuff, like CV joints, axle nuts tight, etc. You're driving an 86 so I assume you have a little experience in maintaince. Good luck. TJ

Jan 28, 2009 | 1986 GMC Jimmy

1 Answer

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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.

Dec 05, 2008 | 1988 Isuzu Trooper 2 Door

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