48RE won't shift into second
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48RE won't shift into second
My 2007 48RE won't shift into second unless I feather the throttle and then will go back into first if I give it too much throttle. After which it shifts just fine into upper gears. I have replaced the gov pressure solenoid and pressure transducer with the GM upgrade but it didn't help. I have 178K on stock trans. Any ideas?
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