Trans not changing the 2nd gear

Sabrina Bolton

Asked by Apr 19, 2016 at 06:10 PM about the 2003 Chevrolet TrailBlazer Extended LS

Question type: Maintenance & Repair

I have a 2003 trailblazer with over 300,000 miles on it, but
has never given me any problems. It will crank, and able to
drive it but will not shift into that last gear which is the 2nd
gear???,should I try to see if its fixable???   The same
month I got the oil changed it was checked on the receipt
that all that was OK but when it started acting funny there
was none in there, what should I do???

2 Answers


First you could change the transmission fluid an new filter. An see what that does. But with 300k miles on the transmission sounds like your over drive gear has gone bad! My best advice to you is that. You more then likely need a Rebuilt transmission or a new transmission. Good luck


also while changing that change the shift sensors it may cause that aswell there are 2 of them and they are around $20-30 a piece but 89yota may be correct

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