No, R-134a refrigerant does not come pre-mixed with oil. It’s purely a refrigerant used in air conditioning systems to transfer heat. However, the system it’s used in needs oil for the compressor to function properly. This oil is usually added separately and is compatible with R-134a, such as PAG (Polyalkylene Glycol) oil. So, if you’re…
Yes, 2-cycle oil can expire, but it usually has a long shelf life if stored properly. Most manufacturers recommend using the oil within 2 to 5 years from the production date for optimal performance. Over time, exposure to air, moisture, or extreme temperatures can cause the oil to degrade, reducing its effectiveness in lubricating your…
Yes, motor oil brand does matter to some extent, but it’s not just about the name—it’s about the oil meeting the specific requirements of your vehicle. Most major motor oil brands produce high-quality oils that meet industry standards, so as long as the oil matches your car’s specifications (like viscosity grade and API certifications), the…