Overhaul
Part 1 Of 2:
Part 2 Of 2:
DISASSEMBLY AND ASSEMBLY
CAUTION: Never disassemble the BJ assembly except when replacing the BJ boot.
LUBRICATION POINTS
DISASSEMBLY SERVICE POINTS
<> INNER SHAFT REMOVAL
1. Use special tool MB991248 or MD998801 to remove the inner shaft assembly and the seal plate from the TJ case.
NOTE: Press the seal plate to deform it, and then press out the inner shaft.
2. Use special tool MB991248 or MD998801 to remove the inner shaft from the center bearing bracket.
<> CENTER BEARING REMOVAL
Use special tools MB990930 and MB990938 to press the center bearing out from the center bearing bracket.
<
Wrap plastic tape around the spline part on the BJ assembly so that the TJ boot is not damaged when they are removed.
ASSEMBLY SERVICE POINTS
>>A<< DYNAMIC DAMPER/DAMPER BAND/TJ BOOT INSTALLATION
1. Install the dynamic damper in the position shown in the illustration.
CAUTION:
^ There should be no grease adhered to the rubber part of the dynamic damper.
^ The damper band and the TJ boot band (small) are different in shape. Be careful not to assemble a wrong band by identifying a color of the band.
2. Secure the damper bands.
3. Wrap plastic tape around the shaft spline, and then install the TJ boot band (small) and TJ boot.
>>B<< SPIDER ASSEMBLY INSTALLATION
CAUTION: The driveshaft joint uses special grease. Do not mix old and new or different types of grease.
1. Apply the repair kit grease to the spider axles and rollers of the spider assembly.
2. Face the chamfered portion of the spider assembly's spline toward the driveshaft, and then install the spider assembly to the driveshaft.
>>C<< CENTER BEARING INSTALLATION
Use special tools MB990930 and MB990938 to press the center bearing into the center bearing bracket.
>>D<< DUST SEAL INNER/DUST SEAL OUTER INSTALLATION
1. Pack multipurpose grease in the places shown in the figure.
Quantity:
14 - 20 grams (0.5 - 0.7 ounces) Dust seal inner
8 - 12 grams (0.3 - 0.4 ounces) Dust seal outer
CAUTION: Do not damage the rubber portion of the dust seal outer surface when packing the multipurpose grease, otherwise grease will leak.
2. Use special tools MB990890 and MB990934 to press the oil seal into the center bearing bracket.
3. Apply multipurpose grease to the lip of the dust seal.
NOTE: Do not apply the specified grease to the outside of the lip.
>>E<< INNER SHAFT INSTALLATION
Use special tool MB991172 to hold the center bearing inner race, and then press-in the inner shaft.
>>F<< TJ CASE AND INNER SHAFT ASSEMBLY INSTALLATION
1. Apply multipurpose grease to the inner shaft serration, and then press the inner shaft assembly into the TJ case.
CAUTION: The driveshaft joint uses special grease. Do not mix old and new or different types of grease.
2. Fill the TJ case with repair kit grease and insert the driveshaft, and then refill the TJ case with repair kit grease.
Grease quantity:
100 ± 10 grams (3.5 ± 0.4 ounces) <2.4L ENGINE>
175 ± 10 grams (6.2 ± 0.4 ounces) <3.0L ENGINE>
NOTE: The grease in the repair kit should be divided in half for use, respectively, at the joint and inside the boot.
>>G<< TJ BOOT BAND (SMALL)/TJ BOOT BAND (LARGE) INSTALLATION
1. Position the TJ outer race so that the distance between the boot bands is at the standard value.
Standard value (A):
85 ± 3 mm (3.3 ± 0.12 inch) <2.4L ENGINE>
90 ± 3 mm (3.5 ± 0.12 inch) <3.0L ENGINE>
2. Remove part of the TJ outer race to release the air pressure inside the boot.