Transmission disengages when idling at stops?

2017 GMC YUKON
88,500 MILES • 5.3L • V8 • 4WD • AUTOMATIC
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PATTIOMALLEY
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  • 1 POST
When I come to a stop at a traffic light, or any reason, then go to accelerate there is nothing there for a few seconds then the transmission slams onto gear with a sharp jolt that rattles my dogs, and myself, quite a bit. This doesn't happen all the time. About 50% of the time. Contact me.
Jun 20, 2024 at 10:54 AM
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STRAILER
  • CERTIFIED EXPERT
  • 53,854 POSTS
The number one reason for this to occur is low transmission fluid levels, also check the fluid condition as well. Here is a generic guide to help you step by step with instructions in the diagrams below to show you how on your car:

https://www.2carpros.com/articles/how-to-check-and-add-transmission-fluid

Check out the images (below). Please upload pictures or videos in your response to any problems so we can see what to help you with.
Jun 21, 2024 at 10:04 AM