Dodge Ram Transmission Cooler Bypass Cooler bypass 2500 trans leaking ram dodge 4x4 cc auto Trans cooler bypass leaking. Trans Cooler Bypass Leaking. - DODGE RAM FORUM - Dodge Truck Forums Trans Cooler Bypass Leaking. - DODGE RAM FORUM - Dodge Truck Forums Check Details ← Dodge Ram 3500 Transmission Cooler Lines 2003 Dodge Ram 2500 Transmission Cooler Lines → Share with friends Link copied