2005 Chevrolet Blazer Trucks Rpm S 3 Shifts Time Get 55 S Jurking Down Past

2005 CHEVROLET BLAZER
160,000 MILES
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My trucks rpm's go up to 3 when it shifts not all the time. Then when I get to 55 it's like it is jurking and then the rpm's go up and down never go past 2rpms. What would this be?
Feb 11, 2013 at 12:22 PM
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HMAC300
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check trans fluid first to make sure it is full when hot. then have a trans guy scan it for codes it may be electrical or trans is starting to fail.
Feb 11, 2013 at 3:08 PM
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