FAQs

ADAS Service

EV Service

Tire Service

Auto Scanner

About EV

About Maintenance

• 286.

  Can R-1234yf be reused?

  Yes, R-1234yf refrigerant can be recovered, recycled, and reused under appropriate conditions and using appropriate equipment.
  Recovery: When a vehicle's air conditioning system is serviced or decommissioned, the R-1234yf refrigerant can be recovered using specialized equipment that captures the refrigerant from the system.
  Recycling: Once recovered, the refrigerant can be recycled to remove any contaminants or impurities that may have accumulated during use. This process helps ensure that the recycled refrigerant meets purity standards for reuse.
  Reuse: After appropriate recycling, purified R-1234yf refrigerant can be reused in other automotive air conditioning systems or other suitable applications.
  
  It is important to note that handling refrigerants, including R-1234yf, requires specialized equipment and training to ensure safety and comply with environmental regulations. Proper recovery, recycling and reuse procedures should be followed to minimize environmental impact and maintain system performance.
  
• 287.

  Does 1234yf cool better than R134a?

  R-1234yf and R-134a have different thermodynamic properties that affect their cooling performance in automotive air conditioning systems. Generally speaking, R-1234yf has a slightly higher coefficient of performance (COP) than R-134a, meaning it can provide similar or slightly better cooling efficiency for the same energy input.
  Additionally, R-1234yf has better heat transfer properties, which allows for more efficient cooling under certain conditions. However, the difference in cooling performance between R-1234yf and R-134a may not be noticeable in daily use, especially for the average driver.
  It’s also worth noting that factors such as system design, refrigerant charge, compressor efficiency, and environmental conditions all affect the overall cooling performance of an automotive air conditioning system, regardless of the refrigerant used.
  
• 288.

  Can you recover contaminated refrigerant?

  Yes, it is possible to recover contaminated refrigerant from an air conditioning system, but it requires specialized equipment and procedures. Recycling contaminated refrigerant involves extracting the refrigerant from the system and then separating it from any impurities or contaminants that may be present.
• 289.

  Can you mix R-134a with R-1234yf?

  No, it is not recommended to mix R-134a with R-1234yf refrigerants in automotive air conditioning systems. The two refrigerants have different chemical compositions, properties, and operating characteristics, and they are not designed to be compatible with each other.
  Mixing R-134a with R-1234yf can cause several potential problems:
  ① Incompatibility: R-134a and R-1234yf have different lubrication requirements and their chemical composition may be incompatible with seals, hoses and other components of the AC system. This can lead to leaks, reduced system efficiency, and potential damage to components.
  ② Performance degradation: Mixing R-134a with R-1234yf will change the thermodynamic properties of the refrigerant mixture, resulting in reduced cooling performance and efficiency of the air conditioning system. This system may struggle to adequately cool the cabin, especially in hot weather conditions.
  ③ Safety issues: R-134a is not as flammable as R-1234yf, which is slightly flammable under certain conditions. Mixing two refrigerants may increase the risk of fire or explosion if a leak or malfunction occurs.
  ④ Warranty Issues: Using a refrigerant mixture not recommended by the vehicle manufacturer may void the warranty on the air conditioning system and may result in expensive repairs that are not covered by the warranty.
  
  For optimal performance, efficiency and safety of your air conditioning system, the refrigerant specified by the vehicle manufacturer must be used. If you suspect your vehicle's air conditioning system is using the wrong refrigerant, it is recommended that it be inspected and repaired by a qualified automotive technician to avoid potential problems.
  
• 290.

  What happens if you put R-134a in a R-1234yf system?

  Putting R-134a refrigerant into a vehicle air conditioning system designed for R-1234yf can cause several potential problems:
  ① Incompatibility: R-134a and R-1234yf have different chemical compositions and properties. Lubricants, seals, hoses, and other components in AC systems may not be compatible with R-134a. This can lead to leaks, damaged seals, and reduced performance.
  ② Reduced cooling efficiency: Compared with R-1234yf, R-134a has different thermodynamic properties. Use of R-134a in systems designed for R-1234yf may result in reduced cooling efficiency and poor performance. The air conditioning system may have difficulty cooling the cabin adequately, especially in hot weather conditions.
  ③ Safety issues: R-134a is not as flammable as R-1234yf, which is slightly flammable under certain conditions. Use of R-134a in systems designed for R-1234yf may increase the risk of fire or explosion in the event of a leak or failure.
  ④ Component damage: Due to differences in operating pressure and lubrication requirements, use of R-134a in systems designed for R-1234yf may damage air conditioning system components such as compressors, condensers, and evaporators.
  ⑤ Warranty void: Using the wrong refrigerant in your vehicle’s air conditioning system may void the manufacturer’s warranty. Automakers specify the type of refrigerant used in vehicles for optimal performance and safety, and using the wrong refrigerant can result in expensive repairs and may not be covered by the warranty.
  
  In summary, the correct type of refrigerant specified by the vehicle manufacturer must be used to ensure proper operation, efficiency and safety of the air conditioning system. If you suspect your vehicle's air conditioning system is using the wrong refrigerant, it is recommended that it be inspected and repaired by a qualified automotive technician to avoid potential problems.