Jeep Grand Cherokee WJ 44-4 PDF Service Manual


Under no circumstances should individuals attempt to perform axle service and/or maintenance procedures for which they have not been trained or do not have the proper tools and equipment. 1.ALWAYS wear safety glasses that meet OSHA requirements when performing maintenance or service. Failure to wear safety glasses can result in personal injury and/or partial or complete vision loss. 2.ALWAYS be careful handling gears or other sharp components, so you do not cut your hands. 3.ALWAYS be sure to follow torque specifications carefully. Failure to do so may lead to premature component failure or damage to other vehicle components.

Proper care during the teardown and rebuild of the WJ44-4 (Figure 1) is critical to improved service as well as customer satisfaction. In addition, failure analysis is an important component of the entire procedure. First, a thorough failur analysis of the axle and axle components must be
completed to determine the cause of failure.

This will help determine what parts can be saved and how the axle should be rebuilt. Carrier Disassembly 1.Remove the cover bolts and use a rubber mallet to remove the cover plate (Figure 2). 2.Turn the axle over and drain the oil. NOTE: During drainage, strain the oil to see if it
contains metal shavings (Figure 3). Be sure to place a bucket under the stand to catch the oil so it can be disposed of properly. If the axle is
being rebuilt because of a major problem such as gear set breakage or excessive bearing wear, a sample of the oil should be sent to a lab for
spectral analysis to help determine the root cause of the failure.

After the axle is drained, remove the axle shaft retainer nuts, using a swivel adapter (Figure 4). Remove the brake drum/rotor unit, and pull
the axle shafts from the assembly (Figure 5). 5.Inspect the seal and bearing; then set the shaft aside. 6.Check the total torque to rotate, using a 50 in. lb. torque wrench and a 1-1/8″ socket (Figure 7). With the nose of the axle pointing up, turn the end yoke by hand in a clockwise rotation four or five revolutions. Using the torque wrench, turn the pinion nut clockwise, and take a reading while spinning the end yoke. This torque reading will be used only as reference if bearings and cups can be reused.

Download Jeep Grand Cherokee WJ 44-4 PDF Service Manual

 


Filed Under (Cherokee, Engine Manual, Jeep) by m4d35 on 27-11-2009
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    Posted on 29 May 2011 at 9:05 am

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