Subaru Legacy A/C refrigerant type and capacity
GarageDex's A/C data shows the 2017 to 2018 Subaru Legacy (4 Cyl. 2.5 Eng.) uses 16 oz of R-1234yf refrigerant with PAG Oil compressor oil. Earlier years used R-134a, so check the year row below.
Shop R-1234yf Match the type on your under-hood decal
Key takeaways
- 2017 to 2018 Subaru Legacy: 16 oz of R-1234yf, PAG Oil oil, see the under-hood decal for the rest.
- The charge is a full-system amount; a top-off adds far less.
- This model switched refrigerant types over its life (R-1234yf, R-134a) - use your year's row.
- A system that is empty has a leak - fix it before charging.
| Years | Engine | Refrigerant | Charge | Compressor oil |
|---|---|---|---|---|
| 2017 to 2018 | 4 Cyl. 2.5 Eng. | R-1234yf | 16 oz | PAG Oil |
| 2017 to 2018 | 6 Cyl. 3.6 Eng. | R-1234yf | 16 oz | PAG Oil |
| 2015 to 2016 | 4 Cyl. 2.5 Eng. | R-134a | 16 oz | PAG Oil |
| 2015 to 2016 | 6 Cyl. 3.6 Eng. | R-134a | 16 oz | PAG Oil |
| 2014 | 4 Cyl. 2.5 Eng. | R-134a | 16.8 oz | PAG Oil |
| 2014 | 6 Cyl. 3.6 Eng. | R-134a | 16.8 oz | PAG Oil |
| 2010 to 2013 | 4 Cyl. 2.5 Eng. | Decal | See decal | PAG-100 |
| 2010 to 2013 | 6 Cyl. 3.6 Eng. | Decal | See decal | PAG-100 |
| 2008 to 2009 | 4 Cyl. 2.5 Eng. | Decal | See decal | PAG-100 |
| 2008 to 2009 | 6 Cyl. 3.0 Eng. | Decal | See decal | PAG-100 |
| 2005 to 2007 | 4 Cyl. 2.5 Eng. | Decal | See decal | PAG-100 |
| 2001 to 2004 | All Eng. | R-134a | 23 oz | PAG-100 4.5 oz |
| 1999 to 2000 | All Eng. | R-134a | 23 oz | PAG-100 5.5 oz |
| 1994 to 1998 | All Eng. | R-134a | 26.5 oz | PAG-100 5.5 oz |
Recharge supplies for your Subaru Legacy
Buy the refrigerant type shown for your year and confirm it against the under-hood decal. R-1234yf cans cost more and need a matching coupler.
R-1234yfR-1234yf can with a gauge and couplerShop cans Manifold gauge setReads high and low side pressure properlyShop gauges Leak detection kitFind the leak before you spend on refrigerantShop kits
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Same car, other specs: Subaru Legacy specs hub.
Other Subaru models
Source: Four Seasons - Compressor / System Refrigerant & Lubricant Specs. The under-hood A/C decal is the primary source for your exact car - it overrides any table. Charges assume a clean system with a new drier.