89BuickRegalGS Posted January 13, 2003 Report Posted January 13, 2003 Yesterday while the car was still cold, I accelerated up to 55mph and the car just seemed to be struggling. When I let off the gas, it felt like it was in a lower gear than it was supped to be, like the transmission was "braking" the car as when you are in a lower car with a manual transmision. But I have the automatic and it was in overdrive. When I shifted the gear selector down from O/D to Drive, i felt the car shift into the proper gear asnd I was able to run it up to 60 mph comfportably. Why did this happen!?! i Had the transmission rebuilt last Thanksgiving! the warranty has expired and I really don't wanna have to deal with a lot of shit here! Thanks guys! Quote
SmokesGTP Posted January 13, 2003 Report Posted January 13, 2003 It may not even be the tranny at all. I had a problem on my GTP with a vaccum leak that caused the car to slow itself down, like in a manual in a low gear. It was annoying to say the least. Drop the pan and change the fluid, try using some lucas its great stuff. I use it in mine and have Noticed smoother shifts and the car used to hesitate going into overdrive but not since I added the lucas. Quote
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