Passenger side
cylinder #1 is the first cylinder from the passenger's side on the rear bank.
1st cylinder up front on the drivers side.
The passenger side front cylinder is #2 The drivers side front Cylinder is #1
when you open the engine cover look at the right side as you stand . no 1 cylinder is the inner one in the side where the starter located.
it is located to the front of the engine on the drivers side..
The engine cylinder at the front of the engine is the # 1 cylinder The spark plug on the intake side ( drivers side ) is the # 1 intake spark plug ( The spark plug on the exhaust side ( passenger side ) is the # 1 exhaust spark plug )
Front driver side.
Cylinder # 1 is the front cylinder on the passenger side and Cylinder # 4 is the back cylinder ( by firewall ) on the passenger side firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition
Cylinder #4, is located on the Pass. Side near the fire wall. Cylinder #5 is located on the Driver Side (First one)
they are located on the passengers side 1 being closest to the fan
cylinder one is located in the engine compartment passenger side first cylinder close to wind shield.