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4L60E Transmission Rebuild Page 10 of 33

 
Figure 30
Figure 30
Figure 31
Figure 31

Figure 30. The next step is installing the new rear ring gear and planetary. The new shaft was placed in the ring gear and the snap ring installed. When attempting to install the planetary assembly into the case, it would not fit. As you can see in the photo, the case bushing will not fit over the shaft. Upon measuring, the bushing inner diameter was too small. It is unknown if the wrong bushing was put in the bushing kit, or if the bushing itself was defective.

Figure 31. Regardless, a new bushing had to purchased, at a delay of a week for a part that cost less than $3. The new case bushing fit perfectly and was installed in the case in place of the bad one.

Figure 33
Figure 33
Figure 32
Figure 32

Figure 32. Not shown is the torrington bearing installed between the case and the planetary, it is dunked in transmission fluid then installed. The planetary assembly is then also dunked in transmission fluid and then installed in the case. Make sure it spins freely when installed.

Figure 33. Now install the low reverse clutch. Soak the frictions before installation. Install wavy steel first, then a steel plate, then a friction. Continue until all the frictions and steels are installed, there will be 5 steels and 5 frictions. Install the new one-way clutch bearing in the center support, then install the center support in the case.


 
 
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