1998 Ford LT9501 Service and Repair Manual
This factory service and repair manual for the 1998 Ford LT9501 lists seven diesels for the short-conventional tractor truck and straight truck, both in Base trim. The turbocharged, aftercooled 11.1L (677 cu in) and 12.7L (774 cu in) inline-sixes are added this year, while the turbocharged 10.3L inline-six (629 cu in) is now the only engine of that size. The rest of the list is the 10.5L six-cylinder (638 cu in), the turbocharged 12.0L six-cylinder (732 cu in), the turbocharged 10.8L inline-six (661 cu in) and the turbocharged 14.0L inline-six (855 cu in), each with its own procedures, specifications, torque values, wiring diagrams and diagnostics.
Engines covered
- 10.5L six-cylinder (638 cu in) — diesel
- 12.0L six-cylinder (732 cu in) — turbocharged, diesel
- 10.8L inline-six (661 cu in) — turbocharged, diesel
- 14.0L inline-six (855 cu in) — turbocharged, diesel
- 10.3L inline-six (629 cu in) — turbocharged, diesel
- 11.1L inline-six (677 cu in) — turbocharged, aftercooled, diesel
- 12.7L inline-six (774 cu in) — turbocharged, aftercooled, diesel
Body styles covered
- Tractor truck, short conventional
- Straight truck, short conventional
Trims covered
- Base
Known issues on the 1998 LT9501. Federal records for the 1998 LT9501 are clean: NHTSA shows no recalls and no owner complaints. What remains is the manual itself, with procedures, specifications, torque values, wiring diagrams and diagnostics covering the aftercooled 11.1L and 12.7L that arrive this year as well as the 10.5L, 12.0L, 10.8L, 14.0L and turbocharged 10.3L, on the short-conventional chassis in tractor and straight-truck form.
