- How do I locate my low pressure port?
- What kind of oil should I use for retrofitting?
- If I put in refrigerant (top off), do I need to add oil too? If so, what type and how much?
- Why are there different types and viscosities of oil, and which should I use?
- What if I use a leak sealer and recharge my system, but it's still not blowing cold?
- How do I know if the leak sealer is working?
- Are leak sealers safe for my A/C system? What does "System Safe" leak sealer mean?
- Will leak sealers seal ANY leak? What size hole will they seal?
