What refrigerant does a 2018 Impala take?
The 2018 Chevrolet Impala uses R-134a refrigerant for its air conditioning system.
In practical terms, this means the A/C system is designed for the common automotive refrigerant HFC-134a. It typically runs with PAG-46 oil, and the system charge is usually around 1.8–2.0 pounds, though the exact specification can vary by engine and options. Always verify the exact requirement on the hood label or in the service manual before servicing.
Refrigerant type and service specifics
Before servicing the A/C, confirm the refrigerant type and follow the manufacturer’s guidance for the 2018 Impala to avoid improper charging or oil incompatibility.
- Refrigerant type: R-134a (HFC-134a)
- Lubricant: PAG-46 oil is typically used with R-134a systems
- Charge capacity: approximately 1.8–2.0 pounds of R-134a, depending on the exact system configuration
- Note on alternatives: R-1234yf retrofits are not standard for the 2018 Impala; only use this refrigerant if the vehicle has been factory retrofitted or the service label specifies it
Key takeaways: Refrigerant type R-134a; lubricant PAG-46; typical charge around 1.8–2.0 lb; always verify the exact specification on the under-hood A/C label before charging.
Summary
The 2018 Impala takes R-134a refrigerant, uses PAG-46 oil, and generally requires about 1.8–2.0 pounds of refrigerant depending on the configuration. Always verify the exact specification on the vehicle’s A/C label and follow the service manual for accurate charging procedures.
