you need a fuel line disconnect tool and then you just remove the lines and push them onto the new filter. The filter is under the passenger side of the car, near the door, mounted inside a bracket
Check local library for service manuals
Fuel pressure regulator.
The fuel pump on a mercury cougar is in the fuel tank. You are going to have to remove the fuel tank, take the lock ring off of the tank, and then pull the pump assembly out.
The ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
For a 1995 Mercury Cougar : ( " regular " unleaded gasoline , 87 octane )
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 )
A ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
Probably either under vehicle or at the passenger side shock tower - follow fuel line from tank
According to a website I was looking at : For a 1995 Mercury Cougar , 4.6 litre V8 engine ( 15 city / 23 highway miles per U.S. gallon )
the rear one ========================================================== On a 1995 Mercury Cougar , 4.6 liter V8 engine : ( Bank 2 ) is the drivers side of the engine
They came with a 3.8L or the 4.6L.
On a 1995 Mercury Cougar , 4.6 liter V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle