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4L60E Transmission Rebuild Page 21 of 32

 
Figure 70
Figure 70
Figure 71
Figure 71

Figure 70. Remove the valve body accumulator piston, and the pin. Drive in the two check balls supplied in the HP Performance Pack kit into the hole where the pin was. Stake the hole. Install the pinless accumulator piston and put the assembly back together.

Figure 71. Use a feeler gauge and slip it in between the case and the valve spring in the spot shown in the image, then slide in the shim supplied in the HP Performance Pack kit.

Figure 73
Figure 73
Figure 72
Figure 72

Figure 72. Drill out the holes with the appropriate drill bit as specified in the instructions that came with the HP Perfomance Pack kit this completes the valve plate preparation. The plate is now ready to install.

Figure 73. In the 1-2 accumulator housing, remover the old piston and pin. Drive in the supplied steel ball into the hole where the pin went in and stake the hole. This housing will require the supplied spacer. Install the spacer, then the two supplied springs. Install the pinless piston. Place the wavy spring on the dome end of the piston.


 
 
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