According to the 1999 Mercury Cougar Owner Guide :
( 5W-30 ) is used in the 2.0 litre four cylinder engine
and the 2.5 litre V6
It is kind of weird but the fluid goes into where the transmission dipstick comes out of. Just get a long skinny funnel.
Regular unleaded , 87 octane for the 2.0 and 2.5 engines in a 1999 Mercury Cougar according to the Owner Guide
5w 20 ======================================================== The above answer of 5W-20 is correct if it is a 2001 or 2002 model year according to the Mercury Cougar Owner Guides ( 1996 , 1997 , 1999 , 2000 guides show 5W-30 from the factory )
R134a
R134a
According to the 1999 Mercury Cougar Owner Guide ( 5W-30 ) With engine oil filter change : The 2.0 litre four cylinder engine takes ( 4.5 US. quarts of 5W-30 ) The 2.5 litre V6 engine takes ( 5.8 US. quarts of 5W-30 )
Yes , on a 1999 Mercury Cougar : The fuse box is under the dash to the left of the steering wheel , apparently there is some kind of release that allows the fuse box to swing down exposing the fuses Also , the power distribution box ( which is " live " ) is located in the engine compartment on the drivers side of the engine compartment
premium engine oil
mercury cougar
It came from the factory with ( 5W-30 )
Use Super Premium SAE 5W-20
It is on the passenger side faceing the drivers side. Kind of hidden in a compartment. Slide the cover open next to the orange button. Press the button to eject.