The 2008 Dodge Ram 1500 uses around 2 pounds of freon. The type is called R134. It is fairly easy to tell when Your freon is getting low.

Sometimes a problem with your air conditioning compressor can cause it to actually lock up. There is a way around this problem however; you can actually bypass the compressor all together with a different serpentine belt.

How to add freon to your 2009 Dodge Ram 1500: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure….

1. Getting Started.
2. Open the Hood.
3. Locate Port. How to access the low pressure port.
4. Air Conditioning Fill.
5. Replace Cap.
6. More Info.

NOTE!

➔ PAG oils are highly miscible with R134a (PAG oils 46 YF and 100 YF also with R1234yf) and are suitable for lubricating the air conditioning systems of most passenger and commercial vehicles.

The compressor of the AC system is likely to have specifications regarding the amount of oil to be added. If you are adding too much oil, you should definitely check the owner’s manual. The AC system requires a Usually of 4 ounces (120 ml) of oil in most modern automobiles.

The best way to ensure the long life of your AC compressor is to ensure that you add adequate oil any time you add refrigerant to your system. If you’ve discovered a need for more refrigerant in your vehicle, add BlueDevil Red Angel One Shot.

Normally you do not need to add oil to your AC compressor after it is installed, unless your installing a new compressor or if their is a leak in you AC system. Normally you’ll want to evacuate the entire system before adding oil or refrigerant (which has oil in it).

The two categories of oils commonly used in the compressors are mineral or synthetic oils. One type of mineral oil (MO) called Naphthenic is commonly used. Synthetic oils such as glycols, esters and alkylbenzenes (AB) have been used in the refrigeration applications for some time without any problem.