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Car Forum / Ford / Ford Trucks / December 20081999 Ranger 4WD problem
Hello group, I have a friend who has a 1999 Ranger 4.0L 4WD. The other day when he tried to use the 4wd, it wasn't working. He would turn the knob and the light would come on after a second but the front wheels weren't engaging. Granted I don't know a whole lot about his truck, I would assume that since the light is coming on and staying lit that the solenoid is engaging in the transfer case, so something else is wrong. Does his truck have vacuum operated lockout hubs? If so could it be a vacuum leak, even though his truck doesn't run like it has a leak? Also if there was something wrong with the 4wd system, wouldn't that turn a light on? Any thoughts are appeciated. John > Hello group, > [quoted text clipped - 11 lines] > > John I know from past experience that if you do not use the 4WD a couple of times per year, the mechanical parts will seize up, and while the indication will tell you that you are in 4WD, you are really not. How long since the 4WD was last engaged? H. >> Hello group, >> [quoted text clipped - 22 lines] > > H. I'll have to ask him when the last time was. So the indication light is ran straight from the switch then? Since it can be lit without the truck being in 4wd? I'll let you know what he says. John > >> Hello group, > >> [quoted text clipped - 26 lines] > straight from the switch then? Since it can be lit without the truck being > in 4wd? I'll let you know what he says. I don't think the indicator will light unless the transfer case is engaged. On my early Explorers the switch that turns on the little light is in the servo motor (if I recall correctly). How do you KNOW it's not in 4WD? If you mark the front drive shaft and axles with chalk, drive it a little in 4WD, you should be able to determine if that part is engaged if they turn. If so, that would leave the locking hubs. On my Explorers I engaged 4WD, drove forward a ways, and jacked up the front end and tried to turn the front wheels by hand. One was locked to the axle and the other wasn't. Now I have manual hubs. I don't know how the hubs lock on your truck but on mine they were "automatic." It was not a good system. > John >> >> Hello group, >> >> [quoted text clipped - 52 lines] >> >> John He did have it in 4wd in the summer when he went mudding (a little not to much). We know its not in 4wd since we live in minnesota and its been snowing some here and putting it in 4wd and then accelerating a little bit makes the truck want to spin around in a circle, feeling like the front tires aren't engaging a bit. John > >> > In article <wuj_k.177197$Mh5.16...@bgtnsc04-news.ops.worldnet.att.net>, > [quoted text clipped - 64 lines] > > - Show quoted text - That sounds pretty conclusive ;-) From what I've read it's likely you have vacuum activated locking hubs but I've never worked on that type so hopefully someone who has will jump in here. Did you Google for the problem? It could be that it's been discussed so recently that nobody is commenting. If all else fails you could get a repair manual. I'm not sure of the year but I heard some Fords had a manual override on the hubs. But that was probably with the traction control system. On Dec 8, 10:19 pm, "John" <cuda-...@att.net> wrote: > "Ulysses" <therealulys...@yahoo.com> wrote in message > [quoted text clipped - 76 lines] > > - Show quoted text - That sounds pretty conclusive ;-) From what I've read it's likely you have vacuum activated locking hubs but I've never worked on that type so hopefully someone who has will jump in here. Did you Google for the problem? It could be that it's been discussed so recently that nobody is commenting. If all else fails you could get a repair manual. I'm not sure of the year but I heard some Fords had a manual override on the hubs. But that was probably with the traction control system. He has the factory manual, he couldn't find it in there and I started looking in it, and the way its laid out its hard to find the correct section, but I'm sure its in there, not to mention there's two books totaling about 7 inches thick! Anyways I'm betting the hubs aren't locking. He told me that he had a wheel bearing replaced and the shop that did it said they had to take apart the hub to get at the bearing, maybe they screwed something up. John > On Dec 8, 10:19 pm, "John" <cuda-...@att.net> wrote: > [quoted text clipped - 100 lines] > > - Show quoted text - I have the Ford manual on CD for my '97 Explorer and I couldn't find any info about how the Control Trac system works. My daughter was trying to go up a very muddy, steep hill and one front and one rear wheel was spinning. It has a locking differential on the rear so it shouldn't have done that, at least not back there. On my older Explorers ('91 and '92--I have four Ford trucks!) the hubs need to be removed to get to the wheel bearings. Maybe the did. Every time I take anything to anyone they don't fix it right. >> >> >> Hello group, >> [quoted text clipped - 21 lines] >> >> >> >> John ///snipped for brevity/// John, the factory autolocking hubs are notorious for not working. Sometimes it is intermittent other times total failure. The solution, if that is the problem, is to replace them with manual lockers. I believe you can get a replacement kit from NAPA (made by Warn IIRC). Just be sure they understand that it is to replace the Ford Autolockers from the factory.... DaveD |
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