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front drivetrain ? HELP!!

4xmoto

NAXJA Forum User
i have a 86 cherokee with the comandtrac 4x4. i went wheelin the other day so i through it in 4x4 and the front drive shaft is spinn but the outer wheels arent getting power. in hint or tips please post. thanks
 
More than likely you have a vacuum leak. The front axle has a vacuum disconnect on the passengerside of the axle. If the vacuum drops because of a leak then you will not get it to engage. A common test is to see if your heater will go into any mode other than defrost. A lack of vacuum will not allow the heater to switch modes either.

The hose assembly from the axle to the frame is only around $10 at the dealer and this is the most common point of breakage.
 
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