2015 Silverado Z71 5.3L 4x4 Transmission/Converter Issues.
I have a 2015 Silverado Z71 5.3L 4x4 with 160k miles. Within the last couple of days it started off with a studer going up hills at low RPMs. Level Ground and down hill no issues. Full Throttle there was no issues. This morning the convert started slipping kinda like a bad clutch in a manual. This afternoon it seems a bit smoother and I didn't notice the slipping but the Transmission will not shift into 5th or 6th gear. Am I looking at a transmission rebuild and converter replacement or is there something simpler that I should be looking at?