89BuickRegalGS Posted January 13, 2003 Report Share 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 Link to comment Share on other sites More sharing options...
SmokesGTP Posted January 13, 2003 Report Share 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 Link to comment Share on other sites More sharing options...
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