How do you add Freon to a Dodge Ram?

Connect the hose that goes to the red gauge onto the D port. Install a can of freon onto the can tap that is connected to the center hose of the manifold gauge. Start the truck, turn on the A/C and read the A/C service gauges. It is not necessary to open the gauge valves.

What to do if your Dodge Ram runs out of refrigerant?

Start the truck, turn on the A/C and read the A/C service gauges. It is not necessary to open the gauge valves. If the A/C gauge readings are zero, the 134-A refrigerant has all leaked out and there is no refrigerant pressure inside of the A/C system to read.

Where are the refrigerant hoses in a Dodge Ram 2500?

Bolted to the back of the air conditioner compressor are two hoses. One hose is larger and goes to the firewall at the back of the engine bay. This location on the firewall is where refrigerant enters and leaves the truck cabin.

Where is the air conditioner on a Dodge Ram 2500?

This also means that servicing the Dodge Ram 2500 system hasn’t changed much over the years either. Just follow a few, routine steps, and you too can service your A/C system. Raise the hood of the car. Bolted to the back of the air conditioner compressor are two hoses. One hose is larger and goes to the firewall at the back of the engine bay.

Where is the refrigerant located on a Dodge Ram?

The smaller hose leaving the back of the compressor is routed to the front of the truck. This is the discharge hose that carries the hot refrigerant to the condenser that is located in front of the radiator where it dissipates the heat that is captured in the R-134A refrigerant.