Firing order is 1-3-7-2-6-5-4-8 Cylinders are numbered, Passenger side front to rear 1-2-3-4 Drivers side front to rear 5-6-7-8
the number 5 cylinder on a 1998 Ford Expedition 4.6 liter v8 is the first one you see on the drivers side front.
I assume you have the 5.4 liter V8 engine with the ( 8 ) individual coils : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of 1998 Ford Expedition
The 5.4 liter V8 engine , available in the 1998 Ford Expedition has a Coil On Plug ( C.O.P. ) ignition system
According to the 1998 Ford Expedition owners manual : For either the 4.6 liter or 5.4 liter V8 engines : With engine oil filter change : ( 6.0 quarts )
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 my 1998 Ford Expedition XLT 4.6L 4x4. The Oil Filter was located behind the front driver side bumper. Yes, I know it sounds crazy but there it was.
The 4.6 liter is 281 cubic inch and the 5.4 liter is 330 cubic inch
My 97 Expedition with the 5.4 towing capacity is 8,000 lbs. Yours should be the same.
On a 1998 Ford Expedition : There are ( 8 spark plugs ) for the 4.6 and 5.4 liter V8 engines
No , the E4OD automatic transmission that is used with the 5.4 liter V8 engine in a 1998 Ford Expedition does not use a clutch
6 not including starter bolts
I noticed that " Helpfull " had answered that the air suspension relay on a 1998 Ford Expedition was located on a bracket by the passenger side headlight . ( he came up with the answer after doing a Google search about 21 hours ago - was the answer not correct ? )