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Discussion Starter · #1 ·
i just finished rebuilding a 700r4 in a 1985 camaro, when i did road test i have no 2nd gear or 4th gear i checked servo seems like it's not clamping band hard enough,took servo out replaced with one out of corvett with shorter pin still same results. also did main line pressure test and was over specs.I also did air check on the servo port and can see the band react but doesn't seem like enough pressure to hold drum.when the band is new and hasn't been flexed.when i checked third gear pressure i came up with 60 psi gradually, i've checked ports and nothing seems clogged? any idease?
 
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