* Engine Block Sides: There are usually several freeze plugs located on the sides of the engine block, often near the cylinder bores. These are the most common locations.
* Rear of Engine Block: You may find one or more freeze plugs at the rear of the engine block.
* Underneath the Engine Block (Often Difficult to Access): Some freeze plugs are located on the underside of the engine block, making them much harder to access and see without removing parts of the engine or lowering the engine.
To be certain of the precise location:
* Consult a Repair Manual: A repair manual specific to your year and model Dodge vehicle with the 3.9L engine is the best resource. The manual will have diagrams showing the location of all freeze plugs.
* Use an Online Parts Diagram: Many online auto parts stores (e.g., AutoZone, Advance Auto Parts) allow you to select your vehicle's year, make, and model, then view a parts diagram that will show the location of the freeze plugs.
Without knowing the exact year of your vehicle, a precise description of where *your* freeze plugs are located isn't possible. Always refer to a repair manual or parts diagram for your specific vehicle.