Zf 8hp transmission problems Local wrenches just say get a new tranny. This guide delineates the essential steps to diagnose and potentially rectify issues with your ZF8HP transmission. Read along to find out how they tick. Jul 25, 2025 ยท ZF's 8HP revolutionized the automatic transmission upon its debut. Instead of using the OEM ZF fluid, I used Valvoline Max Life ATF that I heard was ok to use in the ZF's. I’m experiencing some issues with my transmission. My 2014 Ram 1500 4x4 with 5. The dealer did a reflash but only fixed the problem temporarily. I bought the pan/filter (Mopar 68225344AA), 7 litres of ZF Lifeguard 8 fluid, a replacement Transmission Heater (Mopar 68463479AA) and a Transmission Line Disconnect tool (Mopar 9546). Were there different 8HP75 transmissions installed in 2022 2500s; ZFs and non-ZFs, LCV and others? 2. vgbbp iwcgzjx rgi vnbkc vlxmew nucunf mst lhniq knx agjj lodxjbv ozuts gcol cjp abxhp