the number 5 cylinder on a 1998 Ford Expedition 4.6 liter v8 is the first one you see on the drivers side front.
Passenger side (Bank1), front of engine, 1st cylinder
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition
The full size Ford Expedition has only had V8 engines ( 4.6 + 5.4 liter ) If you mean the number 6 engine cylinder : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition
Right side of engine all the way in the back.
On a 2003 Ford Expedition , 5.4 firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a Ford Expedition ( 4.6 and 5.4 liter V8 engines ) firewall 4 -8 3 - 7 2 - 6 1 - 5 front of vehicle
On a 2005 Ford Expedition , 5.4 liter 3V , V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a 2001 Ford Expedition ( 4.6 and 5.4 ) firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition
On a 1999 Ford Expedition ( 4.6 and 5.4 liter V8 engines ) There is ( 1 ) timing CHAIN to EACH cylinder head
On a 2000 Ford Expedition : For the 4.6 liter and the 5.4 liter V8 engines : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle