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[SOLVED] 4l60e not shifting into 3rd after fresh rebuild
i got a 2007 Chevy Tahoe 5.3. It started the 1st time I drove it after the rebuild, it will shift into 2nd perfect then when it tries going into 3rd the rpm’s shoot up to 4500-5000 and come back down( id assume it’s still in 2nd) I only did it 3 times that way bc I didn’t wanna worsen anything...- Brodylyons3
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- Replies: 14
- Forum: Engine & Drivetrain
