3.7L/4.7L Engine

WARNING: This page is about a different car, the 2011 RAM Pickup and 2011 RAM Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.

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

Courtesy of CHRYSLER LLC

Clean and inspect the block heater hole.
Install the new O-ring seal(s) to heater.
Insert the block heater (1) into cylinder block and position the element properly.
With the heater fully seated, tighten center screw to 2 N.m (17 in. lbs.).
Fill the cooling system with the recommended coolant. Refer to Standard Procedure .
Start and warm the engine.
Check the block heater for leaks.