I have a 2004 jeep wrangler. I am having trouble shifting into 4 wheel drive, when i pull the lever up it seem as if it doesn't engage in any gears. about half way up it stops and feels as if its hitting something solid and will not go up any further. can anyone give me some insight as to what this may be??
The lever is hooked up to a cable system that hooks into each type of drive. It could be that the wire hook end is missing the notch to engage in 4x4 and passes it instead. You can get easy access to it directly underneath the shifter under the jeep.
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To engage the four wheel drive, while rolling, pull the lever back one notch and that will engage the transfer case. You can easily do that up to speeds as high as 35mph. Pulling the lever all the way back will put it into 4 low which is not often used and may grind if it does not engage right away. That really doesn't matter much because that gear is only used for pulling heavy loads at low speeds. (I use mine about once every two years) If you do need to use it, generally you can engage it with the engine off without problems. The neutral position is used to disengage the wheels if the vehicle needs to be towed. If it fails to disengage, often backing up about twenty feet or so will help.
Best way to attain engagement without any grinding etc. is to pull 4x4 lever into gear while rolling at low speed. You can also in an emergency, turn the engine off and engage, then re-start (when you have been in 2wd and have gotten stuck in mud and can't roll) When dis-engaging, generally it will shift out with no problem while moving, but if it does not, then you can back up about twenty feet and usually that will work. (still beats getting out and doing it manually at the hubs!!)
what are you trying to say is that the front wheels wont engage?? if this is your problem? check the actuater on the passenger side axle there are 3 lines that go to it and that is what pulls it in and pushes it out of gear by air.
Has this Jeep been modified at all? It sounds like the shifter cable was reinstalled backwards.
Specifically the 4-Low "Not Climbing Well". 4-Low should give you the best torque and hill climbing ability.
Do you feel any "Binding" in the steering wheel (difficult to turn)?
Remember a Jeep uses real driveshafts and differentials to give you 4WD - you cannot engage 4WD or 4-Low on dry hard surfaces. It needs a little bit of slip between the wheels for turns.
Check you're fluids too.
Our Jeep Wrangler YJ's are equipped with a vacuum module on the front axle. It is used to engage the front axle when the transfercase is shifted into 4WD. Check the vacuum lines on the front axle to make sure they are connected. The passenger side axle shaft has a disconnect sleeve that is moved left and right by the vacuum.
Check your fluid levels, you need to verify that the transfer case has fluid in it. Also, on one of my old jeeps the lever that put it into 4 wheel drive just stuck a litle. After yanking the **** out of it and moving it back and forth, drive a litle then stop and do it all over again.. a few times. it went into 4 wheel drive. this is why you are suposed to engage your 4 wheel drive once a month and drive around the block, just to make sure it gets flid where its supose to. if it doesn't get engaged then the fluid just sits at the bottum of the transfer case and doesn't get up on the gears.