Heater-Engine Block: Removal: 4.7L

Fig 1: Drain Plug - 3.7L/4.7L

Courtesy of DAIMLERCHRYSLER CORP.

1 - CYLINDER BLOCK DRAIN PLUG

2 - EXHAUST MANIFOLD AND HEAT SHIELD

1. Disconnect negative battery cable from battery.
2. Drain coolant from radiator. Refer to DRAINING COOLING SYSTEM .
3. Raise vehicle.
4. Remove engine cylinder block drain plug(s) located on the sides of cylinder block above the oil pan rail. See Fig 1.
   Fig 2: Engine Block Heater

   Courtesy of DAIMLERCHRYSLER CORP.

   1 - ENGINE BLOCK HEATER

5. Remove power cord from block heater.
6. Loosen screw at center of block heater. Remove heater assembly. See Fig 2.