According to the 1999 Mercury Cougar Owner Guide :
With engine oil filter change :
The 2.0 litre four cylinder engine takes ( 4.25 litres / 4.5 U.S. quarts )
The 2.5 litre V6 engine takes ( 5.5 litres / 5.8 U.S. quarts )
* of 5W-30 engine oil
5w30
about $200
the stock cougar has 170 hp
i had a rebuilt one put in my 1999 cougar for $1300
lift the engine
the 99 mercury cougar inline 2.0L engine has 125 hp and 131 lbs/feet of torque the v6 cougar 2.5L engine has 170hp and ? lbs/feet of torque
cougar 99 where is coolant temperature sensor
The Owner Guide for the 1999 Mercury Cougar shows ( 5.8 quarts with filter change ) for the 2.5 liter V6 engine
According to the 1999 Mercury Cougar Owner Guide ( 5W-30 ) With engine oil filter change : The 2.5 litre V6 engine takes : ( 5.5 litres / 5.8 US. quarts of 5W-30 engine oil )
no.
4
yes. they should. its the 99 that seems to be the odd man out.