This factory service and repair manual for the 1998 Ford F-800 LPO covers a medium conventional straight truck in a single Base trim with a single engine, the 5.9L turbocharged inline-six diesel. Everything in it applies to that one combination, which keeps the procedures, specifications, torque values, wiring diagrams and diagnostics unambiguous: the diesel's fuel, turbocharger and cooling work on one side, and the straight-truck chassis, transmission, front axle and brakes on the other, with none of the either-or qualifications a multi-engine book carries.
Engines covered
- 5.9L inline-six (359 cu in) — turbocharged, diesel
Body styles covered
- Straight truck, medium conventional
Trims covered
- Base
Known issues on the 1998 F-800 LPO. Federal records show two recalls for this model year. The first affects automatic-transmission trucks: the shift linkage key on the steering column may not be retained by its welds, so the gear engaged may differ from the one shown and the park brake may not engage. The second involves a self-locking front wheel bearing adjusting nut, damaged on installation, that can rotate free, lose torque and let the front wheel separate. Owners have filed six complaints with NHTSA, most often about the power train. Transmission, front axle and driveline work is covered by the manual's procedures, specifications, torque values, wiring diagrams and diagnostics.
VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS AND SCHOOL BUS CHASSIS-COWLS EQUIPPED WITH AUTOMATIC TRANSMISSIONS. THE WELDS THAT ATTACH THE KEY TO THE TOP OF THE STEERING COLUMN MOUNTED AUTOMATIC TRANSMI
VEHICLE DESCRIPTION: MEDIUM DUTY TRUCKS AND CHASSIS-CABS. AN AUTOMATIC LOCKING FRONT WHEEL BEARING ADJUSTING NUT WAS DAMAGED DURING INSTALLATION OR REMOVAL BY INCORRECT TOOLS OR AN INCORRECT TORQUE
BRACKET THAT HOLDS SPRING THROTTLE LINKAGE HAS FALLEN OFF, AND IT WILL HANG IN A WIDE OPEN POSITION. *AK THIS HAS FALLEN OFF TWICE. *SLC
THE PART THAT CAUSED THE FIRE WAS ON NATIONAL BACKORDER WITH FORD MOTOR CO. *AK
Showing the 2 most serious of 6 complaints filed with NHTSA.
