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When the air conditioner in your 2009 Mercury Mariner starts blowing hot air, you likely have a freon leak. Recharging the freon in your AC system is an inexpensive and easy first step to restoring the cooling capacity of your A/C system. Most refrigerants include a leak sealer that will seal small leaks in addition to filling the R134a refrigerant. The A/C system in your Mariner consists of a compressor that is belt-driven, an evaporator and freon. If there is a problem with your compressor or evaporator, adding freon will not restore cooling. How to add freon to your 2009 Mercury Mariner: hook up the can of refrigerant (likely r-134a) to the low pressure port. When your compressor kicks on, add freon to the correct pressure. In addition to cooling, freon lubricates the compressor when it runs.
Properly inflated tires is the easiest way to improve fuel economy. The right tire pressure is NOT on the side of your tire btw2009 Mercury Mariner 2.5L 4 Cyl.
The burnt out tail light: classic reason for a cop to pull you over - change yours now2009 Mercury Mariner 2.5L 4 Cyl.
There's no reason to check the washer fluid level without adding some - see how to do it here!2009 Mercury Mariner 2.5L 4 Cyl.
Leaking coolant is usually a sign that your water pump needs to be replaced. This video shows you how to quickly plug it2009 Mercury Mariner 2.5L 4 Cyl.
Don't be the guy with your third brake light burnt out2009 Mercury Mariner 2.5L 4 Cyl.