Standard Procedure - Draining Cooling System 4.7L Engine

WARNING: DO NOT remove the cylinder block drain plugs or loosen the radiator draincock with system hot and under pressure. Serious burns from coolant can occur. (Fig 1).

Fig 1: Locating Drain Plug - 4.7L Engines

Courtesy of DAIMLERCHRYSLER CORP.

1. DO NOT remove radiator cap first. With engine cold, raise vehicle on a hoist and locate radiator draincock.
   NOTE: Radiator draincock is located on the left/lower side of radiator facing to rear of vehicle.
2. Attach one end of a hose to the draincock. Put the other end into a clean container. Open draincock and drain coolant from radiator. This will empty the coolant reserve/overflow tank. The coolant does not have to be removed from the tank unless the system is being refilled with a fresh mixture. When tank is empty, remove radiator cap and continue draining cooling system.