- How do I locate my low pressure port?
- What about so called "drop in" refrigerant that I see advertised on the market?
- Can I add R134a directly to my R12 system?
- My A/C is blowing cold but not as cold as I would like it. Will adding additional refrigerant make the air colder?
- If I put in refrigerant (top off), do I need to add oil too? If so, what type and how much?
- How much refrigerant should I put in?
- Do I need to vacuum out my system before charging?
- I get two pressure readings while checking my low-side pressure, which one should I use?
- What is Ambient Temperature and what should my pressure readings be?
- How to recharge with a T-handle or Gauge-Handle style recharge hose?
- How to recharge with a trigger style recharge hose?
- Is an overcharged system dangerous?
