COMPLAINT:
Planetary gears failed due to lack of lubrication, while the hydraulic system and friction material does not seem to be damaged.

CAUSE:
Lubrication may be restricted or even totally cut off due to clutch material from the converter clutch clogging the fins or tubes inside of the radiator cooler.

CORRECTION:
1. FRONT AND REAR DRIVE.
After a transmission repair, perform a cooler flow test on all suspect vehicles. There must be at least l(one) quart of oil every 20 seconds returning to the transmission at idle. If the vehicle uses a tube type cooler, then it may be flushed using conventional methods. If the vehicle uses a fin type cooler, then the radiator MUST be replaced. See figure 1 to determine the cooler type in the vehicle that you are working on.

Figure 1:http://flic.kr/p/dYVPby

2. RE4RO1A and RE4RO3A
Check the case bushings for wear and replace them if they are worn. Also make sure that the case bushings have not moved so that they block the lubrication feed passage to the output shaft. To assure maximum lube to the output shaft and planets,remove and discard the orificed cup plug, the lube relief ball, and the spring as shown in figure 2 and INSTALL A SOLID PLUG IN PLACE OF THE ORIFICED CUP PLUG.

Figure 2:http://flic.kr/p/dYQ78r

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