How much refrigerant does a Toyota Highlander A/C system hold?

The 2013 Toyota Highlander (4 Cyl. 2.7 Eng.; Excl. Hybrid; w/o Rear AC) holds 22.9 oz of R-134a as a complete system charge. That is the amount for an empty, evacuated system, not for a top-off.

Can I put R-134a in a car that uses R-1234yf?

No. The two use different service fittings on purpose and different oils. Charging the wrong refrigerant can damage the compressor and is illegal in the US under EPA rules.

Can I recharge the A/C myself?

A DIY can with a gauge can top off a slightly low R-134a system. If the system is empty it has a leak, and adding refrigerant without fixing it wastes the can. A full charge needs the system evacuated and weighed in, which is a shop job.

Toyota Highlander A/C refrigerant type and capacity

GarageDex's A/C data shows the 2013 Toyota Highlander (4 Cyl. 2.7 Eng.; Excl. Hybrid; w/o Rear AC) uses 22.9 oz of R-134a refrigerant with PAG-46 compressor oil.

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

Key takeaways

2013 Toyota Highlander: 22.9 oz of R-134a, 3.38 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.

Toyota Highlander A/C refrigerant and oil by year
Years	Engine	Refrigerant	Charge	Compressor oil
2013	4 Cyl. 2.7 Eng.; Excl. Hybrid; w/o Rear AC	R-134a	22.9 oz	PAG-46 3.38 oz
2013	4 Cyl. 2.7 Eng.; Excl. Hybrid; w/ Rear AC	R-134a	28.9 oz	PAG-46 4.73 oz
2011 to 2012	4 Cyl. 2.7 Eng.; Excl. Hybrid; w/o Rear AC	R-134a	22.9 oz	PAG-46 3.38 oz
2011 to 2012	4 Cyl. 2.7 Eng.; Excl. Hybrid; w/ Rear AC	R-134a	28.9 oz	PAG-46 4.73 oz
2011 to 2012	6 Cyl. 3.5 Eng.; Excl. Hybrid; w/o Rear AC	R-134a	22.9 oz	PAG-46 3.38 oz
2011 to 2012	6 Cyl. 3.5 Eng.; Excl. Hybrid; w/ Rear AC	R-134a	28.9 oz	PAG-46 4.73 oz
2009 to 2010	4 Cyl. 2.7 Eng.; Excl. Hybrid; w/ Rear AC	R-134a	28.9 oz	PAG-46 7.7 oz
2009 to 2010	4 Cyl. 2.7 Eng.; Excl. Hybrid; w/o Rear AC	R-134a	22.9 oz	PAG-46 4.5 oz
2009 to 2010	6 Cyl. 3.3 Eng.; HYBRID; w/o Rear AC	R-134a	21 oz	-
2009 to 2010	6 Cyl. 3.3 Eng.; HYBRID; w/ Rear AC	R-134a	27 oz	-
2009 to 2010	6 Cyl. 3.5 Eng.; Excl. Hybrid; w/ Rear AC	R-134a	28.9 oz	PAG-46 7.7 oz
2009 to 2010	6 Cyl. 3.5 Eng.; Excl. Hybrid; w/o Rear AC	R-134a	22.9 oz	PAG-46 4.5 oz
2008	6 Cyl. 3.3 Eng.; HYBRID; w/o Rear AC	R-134a	21 oz	-
2008	6 Cyl. 3.3 Eng.; HYBRID; w/ Rear AC	R-134a	27 oz	-
2008	6 Cyl. 3.5 Eng.; Excl. Hybrid; w/ Rear AC	R-134a	28.9 oz	PAG-46 7.7 oz
2008	6 Cyl. 3.5 Eng.; Excl. Hybrid; w/o Rear AC	R-134a	22.9 oz	PAG-46 4.5 oz
2007	All Eng.; Electric/Gas	R-134a	22.9 oz	-
2007	All Eng.; Excl. Hybrid	R-134a	23 oz	PAG-46 4.5 oz
2006	All Eng.; Electric/Gas	R-134a	22.9 oz	-
2006	All Eng.; Excl. Hybrid	R-134a	23 oz	PAG-46 4.5 oz
2005	All Eng.	R-134a	24 oz	PAG-46 4.5 oz
2001 to 2004	All Eng.	R-134a	24 oz	PAG-46 7.75 oz

Recharge supplies for your Toyota Highlander

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-134aR-134a recharge can with a gaugeShop 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: Toyota Highlander specs hub.

Other Toyota models

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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.