You can get a vacuum diagram for a 1994 Mercury Cougar 4.6 liter in the Chilton's manual for that year and model. You can also find the diagram online at All Data DIY and at Engine Guy online.
A 2002 Mercury Cougar 2.5 liter plug wire diagram can be purchased from your local Mercury Cougar. It can also be found at most auto parts stores.
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 )
The 3.8 liter V6 engine in a 1991 Mercury Cougar has a timing CHAIN
where can i find a vacuum line diagram for 1989 ford 2.9 liter engine
1984 Chevrolet camaro z28 vacuum diagram 5.liter
Is this a trick question , because there wasn't a 1998 model year for the Mercury Cougar The 1997 Mercury Cougar , with the 3.8 liter V6 engine , has a ( 18.0 US. gallon tank The 1999 Mercury Cougar , with the 2.5 liter V6 engine , has a ( 15.4 US. gallon tank )
5 qts
one
On a 2001 Mercury Cougar , 2.5 liter V6 engine : firewall 1-----2-----3 4-----5-----6 front of vehicle > driver
one has absolutely nothing to do with the other
the firing order is 142536
I'm assuming it is the same as the ( 1996 ) Mercury Cougar 4.6 liter V8 : With engine oil filter change : ( 5.0 U.S. quarts should put you almost to the full mark )