Cadillac Cts A/C refrigerant type and capacity

GarageDex's A/C data shows the 2015 to 2018 Cadillac Cts (4 Cyl. 2.0 Eng.) uses 19.02 oz of R-134a refrigerant with PAG-46 compressor oil.

Shop R-134a Match the type on your under-hood decal

Key takeaways

  • 2015 to 2018 Cadillac Cts: 19.02 oz of R-134a, 3.7 oz of PAG-46 oil.
  • The charge is a full-system amount; a top-off adds far less.
  • Do not mix refrigerant types or oils.
  • A system that is empty has a leak - fix it before charging.
Cadillac Cts A/C refrigerant and oil by year
YearsEngineRefrigerantChargeCompressor oil
2015 to 20184 Cyl. 2.0 Eng.R-134a19.02 ozPAG-46 3.7 oz
2015 to 20186 Cyl. 3.6 Eng.R-134a19.02 ozPAG-46 3.7 oz
2015 to 20188 Cyl. 6.2 Eng. CTS-VR-134a19.02 ozPAG-46 3.7 oz
20144 Cyl. 2.0 Eng.R-134a19.02 ozPAG-46 3.7 oz
20146 Cyl. 3.0 Eng.R-134a19.02 ozPAG-46 3.7 oz
20146 Cyl. 3.6 Eng.R-134a19.02 ozPAG-46 3.7 oz
20148 Cyl. 6.2 Eng. CTS-VR-134a19.02 ozPAG-46 3.7 oz
20136 Cyl. 3.0 Eng.R-134a19 ozPAG-46 3.7 oz
20136 Cyl. 3.6 Eng.R-134a19 ozPAG-46 3.7 oz
20138 Cyl. 6.2 Eng.R-134a19 ozPAG-46 3.7 oz
20126 Cyl. 3.0 Eng.R-134a19 ozPAG-46 3.7 oz
20126 Cyl. 3.6 Eng.R-134a19 ozPAG-46 3.7 oz
20128 Cyl. 6.2 Eng.R-134a18.2 ozPAG-46 3.72 oz
2010 to 20116 Cyl. 3.0 Eng.R-134a18.2 ozPAG-46 3.72 oz
2010 to 20116 Cyl. 3.6 Eng.R-134a18.2 ozPAG-46 3.72 oz
2010 to 20118 Cyl. 6.2 Eng.R-134a18.2 ozPAG-46 3.72 oz
2008 to 2009All Eng.R-134a19 ozPAG-46 4 oz
2003 to 2007All Eng.R-134a21 ozPAG-46 4.75 oz

Recharge supplies for your Cadillac Cts

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.

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Same car, other specs: Cadillac Cts specs hub.

Other Cadillac 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.