The vacuum diagram for a 1998 Ford F150 is located in the service manual. It details how each vacuum line is routed, where the line is attached, and its function.
I cannot find the transmission lipstick on my 1998 F-150 with a manual transmission.
The computer is under the dash on the drivers side near the emergency break pedal. It unplugs under the hood.
how do i remove the computer on a 1989 ford f-150
The sensor on a 1998 Ford F150 4x2 is on the rear differential. The 1998 was rear wheel ABS only so don't bother looking for any front sensors.
Purchase a Purolator filter as it comes with complete instructions. I think you will find that a 1998 F150 does not have a cabin filter.
Inside the fuel tank under the truck along side of the frame on the drivers side
most are at the passanger side kick pannle