If it is a V6 about 6 Quarts with a new oil filter.
According to the 2000 Mercury Cougar Owner Guide : With engine oil filter change : The 2.5 liter V6 engine takes ( 5.5 liters of 5W-30 engine oil )
6 ---------------------------------------------------------------------------------------------------- According to the 2000 Mercury Cougar Owner Guide : With engine oil filter change : The 2.5 liter V6 engine takes ( 5.5 liters of engine oil ) * the first answer is not mine , the corrected answer is , Helpfull *
near the oil filter
For a Mercury Cougar , 2.5 litre V6 engine : According to the 1999 to 2002 Owner Guides : ( Motorcraft FL-820 engine oil filter )
According to the 2000 Mercury Cougar owners manual ( 5W-30 ) for the four cylinder and V6 engines
Gasket should be included with new oil filter
im assuming v6... behind the radiator next to the exhaust pipe. u can only get to it from underneath
You need an oil change.
Mercon V
Recommended amount is 5 and a half quarts of 5W20=========================================According to the 2000 Mercury Cougar Owner Guide :With engine oil filter change :If you have the 2.5 litre V6 engine , but it indicates 5W-30For the 2.0 L four cylinder ( 4.5 quarts ) of 5W-30
I pretty sure your looking at 5 with the filter.