3.7L/4.7L Engine

Fig 1: Identifying Cylinder Block Drain Plugs

Courtesy of CHRYSLER LLC

Disconnect the negative battery cable.
Drain the coolant from radiator. See Cooling - Standard Procedure .
Raise vehicle.
Remove the cylinder block drain plug(s) (1) located on the sides of the cylinder block above the oil pan rail.

Fig 2: Identifying Engine Block Heater - 3.7/4.7L
Courtesy of CHRYSLER LLC
Remove the power cord from block heater.
Loosen the screw at center of the block heater. Remove the block heater assembly (1).