1991 Ford LL9000 Service and Repair Manual
This factory service and repair manual for the 1991 Ford LL9000 covers one engine, the turbocharged 14.0L inline-six diesel (855 cu in), in two body configurations, the medium-conventional straight truck and the long-conventional tractor, with Base as the only trim. With a single engine to document, the manual's procedures, specifications, torque values, wiring diagrams and diagnostics for the 14.0L are complete in one place, and the chassis sections distinguish the straight truck from the tractor.
Engines covered
- 14.0L inline-six (855 cu in) — turbocharged, diesel
Body styles covered
- Straight truck, medium conventional
- Tractor truck, long conventional
Trims covered
- Base
Known issues on the 1991 LL9000. NHTSA lists no recalls and no owner complaints for the 1991 LL9000, a clean federal record. The manual's procedures, specifications, torque values, wiring diagrams and diagnostics for the turbocharged 14.0L inline-six, in both the medium-conventional straight truck and the long-conventional tractor, are the whole of the documented reference for this model year.
