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Old 07-27-2012, 07:39 PM
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700R4 no 4th

I have been chasing a no fourth issue for a while now. I have found that the 4th apply piston is dry(no oil between piston and servo cover). I have checked the servo pin and its clear of obstructions and a guy suggested checking the 3-4 relay valve and 4-3 sequence valve. I had a working but worn spare 700r4 so I swapped valves and springs, moves just fine.

Anyway does anyone know why there would be no oil goin through there?


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