On a 1999 Mercury Cougar , 2.5 litre V6 engine : firewall 1-----2-----3 ( Bank 1 ) 4-----5-----6 ( Bank 2 ) front of vehicle > driver
Two (at least in the V6), one for each bank of cylinders.
215/50r16
0.054 for 1999 to 2001 V6.
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 )
Pretty sure its 34mm
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
On a Mercury Cougar , 2.5 litre V6 engine : firewall 1-----2-----3 ( bank 1 ) 4-----5-----6 ( bank 2 ) front of vehicle > driver
The 2.5 liter " Duratec " V6 engine used in a 1999 Mercury Cougar uses ( 2 ) timing CHAINS , both located at the front of the engine ( 1 chain to each cylinder head )
The Owner Guide for the 1999 Mercury Cougar shows ( 5.8 quarts with filter change ) for the 2.5 liter V6 engine
Timing Chains (2) with respective guides, tensioners and sprockets.
On a 1997 Cougar ( 3.8 litre V6 and 4.6 litre V8 engines ) Bank 1 is the passenger side of the engine