Question about 1999 Ford F250 Regular Cab

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I have a 1999 F450 4x4 lockers issue?

I have a 1999 F450 4x4 dump if i leave the lockers in the front in the lock position am i going to hurt the truck?

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If you drive over 35 MPH on a paved road you will destroy the transfer case.

Posted on Apr 14, 2009

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It won't hurt the vehicle. It just means the front drive shafts will contrinually turn when truck is driven. In unlocked position they don't. So it won't hurt but will wear out the joints faster

Posted on Apr 14, 2009

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1 Answer

1992 Land cruiser will not shift into drive


Does it have manual locking front hubs? Some people fit these to full time four wheel drive vehicles to reduce driveline effort and increase fuel efficiency. The issue is that the drive from the transfer case will find the path of least resistance which if the front hubs are not locked power will be sent through the front diff and only spin the front drive shafts. To ensure drive power is sent to the rear diff the centre diff needs to be locked. If you do have manual locking front hubs try putting them in the locked position and leave the centre diff button off and try going for a drive.

Mar 04, 2013 | 1992 Toyota Land Cruiser

1 Answer

Noise when turning


your front diff may have a problem with to carrier gears if making noise each way left or right on a detroit locker front end they just make noise because of how it is made if it has a locker front end may be problem,have to open front case and inspect carrier either way.

Aug 04, 2012 | 2006 SsangYong Korando 2.9

1 Answer

Four wheel drive not working.


Hi there:
Seen a lot of the actuators on these vehicles put the transfer case in the wrong position and cause issues like this. You need a scan tool to watch the data on it and verify correct gear position.

To check the front differiental to see if it is locked in, you can remove the front actuator and see if it extends out when you place it into gear. or you can put it in 4wd, and drive it a few feet, then jack up the front tires off the ground and turn one tire and see if the other tire turns in the opposite direction, If so, the front diff is locked in and the issue is else where.

The place to start with this is to lift the front end of the vehicle. Turn the ignition on and place the truck in 4wd. Then when the front is safely supported, climb under and see if the front driver shaft will turn or if it is stuck. If it turns, then you have issues in the transfer case. If the front drive does not turn, then you need to remove the actuator on the front right and see if it extends in 4wd and retracts in 2wd. If not then you have an actuator or wiring issue. If it does then you have a problem with the sliding gear used to engage the front axle (caused for Damage, lack of lube, weak actuator).

Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.


Thank you for using FixYa.

Mar 06, 2012 | 1999 GMC Suburban

1 Answer

Will not lock in 4 wheel


Best and cheapest to fix is to replace vacuum lockers with manual lockers. It is easy to do. Only 6 bolts per front wheel

Jan 26, 2011 | 2002 Kia Sportage

1 Answer

Automatic locking hubs are not locking?


Best and cheapest to fix is to replace vacuum lockers with manual lockers. It is easy to do. Only 6 bolts per front wheel. This is the most trusted way of 100% engagement.

Oct 12, 2010 | 2002 Kia Sportage

1 Answer

My 2001 Toyota 4Runner driver's side door is no longer locking/unlocking automatically, either with the keyless entry, or with the internal locker. The other doors lock/unlock fine, and if I click the...


might be a contact problem in the switch. the others work fine so eliminates fuse issue. check to master switch seeing that it's the driver side tells me that you drive alone a lot might be worn out.

Sep 29, 2010 | 2001 Toyota 4Runner

1 Answer

1999 4x4 ranger comes out of four wheel drive


Put manual lockers in it. And remember, you have to back up 50 feet to lock in the hubs, automatic or manual. Not doing this could cause your problem.
Calvin the Mobile Mechanic

Apr 23, 2009 | 1999 Ford Ranger SuperCab

1 Answer

85 gmc rear diff locker wont let go


i have factory eaton locker in mine and its designed to be locked at all times until one tire out runs the other i.e. going around a corner.cheverolet recommends regular 90w lubricant with limited slip additive

Mar 28, 2009 | 2002 Chevrolet Avalanche

1 Answer

4WD selected but only RWD active


Hi,
Your sami sounds as if the either the lockers, the axles or the transfer box are not doing too good... An open locker or a broken axle will steal all the power going to the front of the car. A transfer problem is also a good reason for this kind of thing, but this usualy happens with some noise, so you'd probably know if the transfer was bad. The front axle hub a.k.a. the diff can also be bad. I'd take off both lockers - 12 screws on each and a circlip (make sure they are in the free position ). You can now see the axles themselves and try to rotate them manually. While engaged in 4wd - they should not move more than a 1/4 turn. If both move free your diff or transfer box are bad, depending whether you see the front driveshaft moving or not. If drvshft is moving - transfer is bad. If not - the diff is gone. If only one is free - your axle is broken.  Not a biggie to diagnose but one hell of a pita to fix... I'd advise you to head to the shop and and have a pro fix it. Cheers emi

Feb 01, 2009 | 1986 Suzuki Samurai

1 Answer

Only right hand side wheel spins when in 4WD on the front diff on my 1997 80 series landcruiser


i believe this is normal as when wheel leaves ground all power goes to the wheel that is not touching ground as when in 4wd not all four wheel turn unless you have frunt and rear air lockers if this is not the case then try 4wd hub probaly not locking in good luck

Aug 22, 2008 | 2000 Toyota Land Cruiser

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