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2001 Buick LeSabre Question: Transmission slipping on hard pull

 

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RandyA, Morris, AL, September 01, 2010, 08:34
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I have noticed my transmission slips when I go uphill. I have noticed that the transmission is not down shifting and then it will begin to slip. Also my gas mileage has dropped from 24-25 mpg to 20-21 mpg. I have had the codes run on car but nothing comes up.

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