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Re: Allison TCM's - High Failure Rate?
Posted to Transmission Forum on 4/5/2018

Tech replaced the TCM and thermostat on Sunday. It's been happily in service since. We actually ended up doing 2 of these TCM's last weekend. One on a 2009 F650, one on a 13 F750. I now have a pile of VSS's from these 2 techs. Yall, if the first 2 parts do... Login to read more.