RAM 1500 Truck 4WD V8-4.7L (2008)
Engine Block Heater: Service and Repair
Engine Block Heater - Installation
3.7L/4.7L ENGINE
1. Clean and inspect the block heater hole.
2. Install the new O-ring seal(s) to heater.
3. Insert the block heater (1) into cylinder block and position the element properly.
4. With the heater fully seated, tighten center screw to 2 Nm (17 in. lbs.).
5. Fill the cooling system with the recommended coolant. See: Cooling System/Service and Repair .
6. Start and warm the engine.
7. Check the block heater for leaks.
