4.7L Engine

WARNING: This page is about a different car, the 2005 Jeep Grand Cherokee. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Engine Block Heater - 3.7L/4.7L

Courtesy of DAIMLERCHRYSLER CORP.

1 - ENGINE BLOCK HEATER

Thoroughly clean cylinder block core hole and block heater seat.
Insert block heater assembly with element loop pointing at twelve o'clock. See Figure.
With block heater fully seated, tighten center screw to 2 N.m (17 in. lbs.) torque.
Refill cooling system (Refer to COOLING - STANDARD PROCEDURE) .
Start and warm the engine. Check for leaks.