You can find the air conditioning low pressure charging port on top of the air conditioning compressor. The low pressure port will be on the right hand side of the air conditioning compressor.
According to the 2003 Mercury Mountaineer Owner Guide : ( DOT 3 brake fluid , meeting Ford specification ESA-M6C25-A )
That would be the 4.6 liter engine, which takes six quarts. * of 5W-20 according to the 2003 Mercury Mountaineer Owner Guide
I get 15.3 in my 2005.
4
( # 24 ) is a blue color 15 amp fuse for the cigarette lighter and OBD II in a 2003 Mercury Mountaineer ( under the instrument panel )
On a 2003 Mercury Mountaineer , 4.6 litre V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
I'm not a mechanic / technician but I believe on a 2003 Mercury Mountaineer , 4.0 liter , SOHC , V6 engine that the oil pressure sending unit is on the front of the engine in the area where the lower radiator hose connects to the water pump
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only when it begins to fail.
Yes.
Your engine oil could be low check it when it cools and if level is fine your oil pressure sending unit could be bad or engine in need of rebuilding
5.0 quarts 4.7L ( of 5W-30 for the 4.0 liter V6 ) 6.0 quarts 5.7L ( of 5W-20 for the 4.6 liter V8 ) In a 2003 Mercury Mountaineer