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Q: Should I replace the pressure cylinder inside my transmission (170,000 miles) on 2004 Buick Park Avenue

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My transmission is shifting hard after it heats up. The "presure cylinder in side the transmission may be acting up and needs replacement" is what one mechanic said and quoted me a $500 repair. It doesn't always shift hard and most of the time it shifts normally. this has been a problem since I bought the car in 2004. The light went on this summer that indicated a problem, but when they shut it off, it did not come back on. Since I have over 170,000 miles on this transmission, I wonder if I should fix it for $500 or just drive it until it gets worse and the light comes on again?

Will fixing it help my transmission to last longer, or with that much mileage, will I need to replace anyway in the near future and waste the 500 expense?
Thank you!

Scott Maline
No car image 94a1663db56199c5353592009e34aaa51078a2469bed068bb8d6f0ba43accf97
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been around 4o years and have never heard of a pressure cylinder. you need to take it to a trans shop and let them give you a real diag with terms that make sense. more than likely you will need an overhaul with the mileage.

Roy
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