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Transmission disengages when idling at stops?

Tiny
PATTIOMALLEY
  • MEMBER
  • 2017 GMC YUKON
  • 5.3L
  • V8
  • 4WD
  • AUTOMATIC
  • 88,500 MILES
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.
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Thursday, June 20th, 2024 AT 10:54 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,512 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

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Friday, June 21st, 2024 AT 10:04 AM

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