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Possible transmission issue?

Hello! I just had the transmission replaced in my automatic GMC Yukon denali last week. It wasn’t shifting out of 2nd gear. Last night while driving it at freeway speed it just revved up and had zero acceleration. We had to have it towed back home, with its rebuilt transmission. What could be the issue? We just got it back from the shop?

Take it back to the shop.


Weak link on 4l60e is 3-4 clutch pack. U burn them up and trans won’t shift past 2nd gear. Actually it tries to shift to 3rd and just slips. No-go. my trans was not overhauled well and the front pump gave out after 500 miles. I got a refund and put in another trans. Than I sold truck.