Manual states 5W-30, however as mileage increases it is safe to move to a ten weight.
On a 1991 Mercury Cougar : The oil pump is INSIDE the oil pan ( the oil pan is bolted to the bottom of the engine )
you have to raise the motor or drop the k member, or both
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 *
5w30
5w 30
near the oil filter
with your eyes
Mercon V
You need an oil change.
According to the 2000 Mercury Cougar owners manual ( 5W-30 ) for the four cylinder and V6 engines
For a Mercury Cougar , 2.5 litre V6 engine : According to the 1999 to 2002 Owner Guides : ( Motorcraft FL-820 engine oil filter )
On a 1997 Mercury Cougar : The engine oil dipstick is on the drivers side of the engine ( for the 3.8 liter V6 and the 4.6 liter V8 )