GM and Allison Transmission, longtime partners on heavy-duty truck powertrains, are parting ways, as first reported by TFL Truck. The rollout of GM's 10-speed automatic in 2020 marked the end of ...
GM is finally addressing long delays in repairing its Allison 10-speed transmissions after widespread valve body failures led to recalls across nearly every rear-wheel-drive model through 2022. The ...
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