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Re: jeep YJ 1991 4 wheel drive
If u got automatic front hubs stop put in park pull 4x4 shifter into 4 wheel
manual hubs at front wheels turn the hub locks to the lock position and then pull the 4 wheel shifter inti 4 wheel
also look over drivers sun visor if the tag aint worn off the direction are there... have fun 4 wheeling and keep the rubber side down
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I would first check the vacuum disconnect on the front axle (dana 30). The vacuum lines often become clogged and/or broken, especially when wheeling a 20 year old Jeep. My solution for my '93 YJ was the cable option which replaces the vacuum one (try Quadratec). This way I had a more positive feeling and no more vacuum issues to worry about.
Check the vacuum disconnect on the front axle. After 15 years, the lines break and/or get clogged. I have seen a few of the shift forks in there broken on Jeeps still wheeling with the stock Dana 30. There is a cable option which replaces the vacuum system if you dont want to worry about having the problem again. check Quadratec or 4WD hardware.
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.
i have a 1988 jeep wrangler 6cyl with 5 speed transmission. I was shifting the jeep and it got stuck in third gear. We opened it up and saw that the linkage is aligned and everything is in place. I dont know what is wrong and what to do next. please help ....
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.