Transmission shifting hard from first gear to second gear

2002 CHEVROLET VENTURE
163 MILES • FWD • AUTOMATIC
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ABSE
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When the transmission is shifting from first to second it is hard like you heard engine sound then it shifts like it is taking time to shift, after that it is shifting to third and overdrive easy. The problems is shifting from first to second gear it is hard and takes time to shift. I changed oil and filter for transmission and it is still having the same problem. thank you.
Dec 5, 2016 at 2:31 AM
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HMAC300
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what color was oil in transmission when you replaced it ? if dark brown or black probably transmission is shot. It may be a valve in valve body sticking as well a transmission specialist should look at this.
Dec 5, 2016 at 12:29 PM
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ABSE
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Hi
Dec 6, 2016 at 4:28 AM
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ABSE
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Hi .......I have amitsubishi eclips 2001 it's 6cylinder I Chang crank sensor it's used before after I put timing belt the car it's work just when I put my leg on gas if I pull my leg the engin is switch of and if I try again it's work hard .......my qutsion if crank sensor not good the fuel pump don't give gas ????? Because I open switch and pull the pipe of case witch give the engin when I chek it no pressure and no gas and I heard the fuel pump when I turn on switch whith out start no voice for full pump , what's the problem can you help me ? ........thanks very much
Dec 6, 2016 at 4:44 AM
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HMAC300
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scan this for codes and check fuelpressure with a gauge auto parts rent it if you dont' have one.
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Dec 6, 2016 at 6:45 AM