Does 6.0 Vortec have AFM?
Does 6.0 Vortec have AFM? I was hoping to avoid discussing this problem, but unfortunately it affects all Vortec engines, including the 6.0L. Chevy's Active Fuel Management (“AFM”) is a fuel efficiency feature that shuts off 50 the engines cylinders under various driving conditions to improve gas mileage. How to remove coolant from a Silverado Pu? Remove the 2 nuts for the coolant duct from the engine flywheel housing. Remove the 2 bolts for the coolant duct from the oil filter adapter and the oil cooler assembly. Remove the coolant duct. Remove the oil filter adapter and 5 oil cooler...