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I have a 2004 ford explorer when i put it into 4 wheel drive the driver side front wheel wont lock in,its like it wont stay engaged ,it makes a loud thump like it slips back out..
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May be the problem is not in the actuator in the case but in the actuator that engages the hub locks . Check for vacuum line / electrical wires faults . The noise may be from the hub lock or from a cv joint in that side.
manual or auto hubs?how do u now it is not engaging?.u can lift the front end up in 4 wheel make sure hubs r engaged .rotate the tire by hand ,and check to see if the drive shaft is turning [from the wheel to the front diff] u most likely have a bad locking hub.if it is not turning ur front tire is not locked up
If you have the expirience or know what I`m saying,it`s going to be ease,Put the front end of the car in jack stans,so the front wheel are free,take the tires off,disassemble the locking hubs or check them making sure they are locking right,if they are got to the transfercase you may have the problem there.
It can be several things. With the problem only occuring when power is applied you must have a problem with the Right Hub engaging when it should be off. Or depending on your 4 wheel settings the Left Hub is not locking when it should match the Right.
The rear suspension can also be the problem. There are Rubber bushings in the Rear suspension arms. If there is looseness or travel in the joints the rear axle can shift under Power. This will allow the rear wheels to run crooked. This will make the front end of your Explorer turn to one side. On some models the rear wheels can be aligned and have Shims in them. Sometimes the shims can fall out causing the axle to pitch to one side.
There are many things turning in the frontend. But most will pull all of the time if they are failing. The problem you describe limits the possibilities to the parts I have mentioned. Good Luck on your repair.
considering its winter the best way is to put some thing in front of front tires and try to move forwards if you cant put it in 4 wheel mode and then try it. if you climb over then axles are engaged.
Even though you checked the vacuum lines and found no leaks it does not mean there isn't a problem. The check valve in the line closest to the firewall actuator is probably your problem. Had the same issue replaced this line and solved it. The check valves in the vacuum lines are your best next guess.
Take the hubs apart, inspect them, and clean them, especially the one that you heard a clunk, something might have broke in the automatic hub lock. Make sure everthing gets put back exactly the same, or you'll have more problems. If that doesn't work, then there is something wrong somewhere in the transfer case.
Hi there , in order for your 4 wheel to work you have to drive a couple feet for everything to lock. If you are already stuck and you put it into 4 wheel, it won't engage. hope this helps you out
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