Re: 700R4 build thread.
Time to build the Input Drum.
Install the Inner "Green" O-ring in the Drum, Refer to post #53. Lube O-ring with TransJel,
Install 3-4 Piston, Lube both Lip seals with TransJel, Start the piston lip seal at an angle in the Drum & Rock the Piston into the Drum, No Lip Seal tools required for this piston.
USE ONLY 4L60E Molded steel 3-4 Piston!! The Stock aluminum piston is known for porosity problems & cracking.
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