This factory service and repair manual for the 1989 Ford LA9000 covers four diesel engines in a medium-conventional tractor offered in a single Base trim: the 10.5L six-cylinder (638 cu in) and three turbocharged inline-sixes at 10.0L (611 cu in), 14.0L (855 cu in) and 14.6L (893 cu in). Procedures, specifications, torque values, wiring diagrams and diagnostics are set out for each engine, with the 10.5L six-cylinder handled separately from the turbocharged units where its service requirements differ.
Engines covered
- 10.5L six-cylinder (638 cu in) — diesel
- 10.0L inline-six (611 cu in) — turbocharged, diesel
- 14.0L inline-six (855 cu in) — turbocharged, diesel
- 14.6L inline-six (893 cu in) — turbocharged, diesel
Body styles covered
- Tractor truck, medium conventional
Trims covered
- Base
Known issues on the 1989 LA9000. One recall is on federal record for the 1989 LA9000, concerning secondary service reservoir air check valves that may not seat properly because of interference between a circular brass guide and the wall of a cylindrical ferrule. No owner complaints are logged with NHTSA for the 1989 tractor. The air brake supply system is the one flagged area, and the manual's procedures, specifications, torque values and diagnostics for the air system, reservoirs and valves are the relevant reference.
SECONDARY SERVICE RESERVOIR AIR CHECK VALVES MAY NOT SEAT PROPERLY DUE TO A MECHANICAL INTERFERENCE CONDITION BETWEEN A CIRCULAR BRASS GUIDE AND THE WALL OF A CYLINDRICAL FERRULE I
