2007 GMC Sierra transmission

2007 GMC SIERRA
85,000 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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DON2833
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  • 1 POST
delayed shift from 1st to second { Slip }
Mar 29, 2014 at 1:18 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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KNOWLEDGE IS POWER
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  • 1,136 POSTS
drop the trans pan and look for dark fluid or stuff on the magnet. if not it could be an electronic issue. at that point have a diag computer hooked to it and see if there are codes
Mar 29, 2014 at 4:36 PM