GarageDex

Mercury Montego A/C refrigerant type and capacity

GarageDex's A/C data shows the 2005 to 2007 Mercury Montego (All Eng.; w/o Rear AC) uses 29 oz of R-134a refrigerant with PAG-46 compressor oil.

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

Key takeaways

  • 2005 to 2007 Mercury Montego: 29 oz of R-134a, 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.
Mercury Montego A/C refrigerant and oil by year
YearsEngineRefrigerantChargeCompressor oil
2005 to 2007All Eng.; w/o Rear ACR-134a29 ozPAG-46 7 oz
2005 to 2007All Eng.; w/ Rear ACR-134a38 ozPAG-46 9 oz

Recharge supplies for your Mercury Montego

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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Other Mercury models

CougarGrand MarquisMarauderMarinerMilanMontereyMountaineerMystiqueSableTracerVillager

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.