Good afternoon,
If you have never done a rebuild on a transmission, you will need a good guide. ATSG makes a great guide for you.
You will need some special tools for the clutch pistons and the puller for the front pump.
The main reason for the leak is the bushing in the front pump, not the seal.
You would need to remove the pump, disassemble it and replace the bushing and seal. Then the torque converter will have to be replaced as well.
I would consider this since it is complete and you have never done a re build.
Roy
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Monday, March 4th, 2019 AT 2:55 PM