Question about 1996 Chevrolet Tahoe

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Transimmision problem Hello everyone,i have a chevy tahoe 2003,it`s milage are 150.000,during the last few days i felt the second transmission is heavy to be done,but yesterday when i start to drive,it got the first then the second and never ever go for the third however i increase the power, by the way i changed the gear oil and gear filter from 10 days ago. i wish if there is somebody can help me.

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If the unit was working before you changed fluid,This is common. When fluid has not been changed in a long time on high mile vehicles...(which is why many trans shops will not change oil after a certain mileage unless unit was serviced regularly) Usually it is caused by stuff that was sticking to the walls of the unit being partially dissolved by the new oil. The resulting free gunk gets into the valve body and prevents proper shifting. You may be able to solve this by having the valve body cleaned or replaced, and the unit power flushed. If not, it will need to be rebuilt.

Posted on May 23, 2009


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