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Idahome
Joined: Wed May 2nd, 2018
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I would swap the TCC solenoid and while you are in there possibly the valve body gaskets. If budget allows do the shift solenoids also.
How many miles on this 4r?
As you probably know most 4r issues are leaky separator gaskets. If you catch these early enough you can save a good trans from going bad
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I build custom RBV, specializing in drivetrain conversions, wiring, suspension and complete custom trucks