1988 Ford LL9000 Service and Repair Manual
This factory service and repair manual for the 1988 Ford LL9000 applies to the long-conventional straight truck and the long-conventional tractor, each in a single Base trim, with three turbocharged inline-six diesels at 10.0L (611 cu in), 14.6L (893 cu in) and 14.0L (855 cu in). The manual supplies procedures, specifications, torque values, wiring diagrams and diagnostics for the three engines and both long-conventional chassis, keeping the tractor and straight-truck differences distinct.
Engines covered
- 10.0L inline-six (611 cu in) — turbocharged, diesel
- 14.6L inline-six (893 cu in) — turbocharged, diesel
- 14.0L inline-six (855 cu in) — turbocharged, diesel
Body styles covered
- Straight truck, long conventional
- Tractor truck, long conventional
Trims covered
- Base
Known issues on the 1988 LL9000. The 1988 LL9000 has a clean federal record, with no recalls and no owner complaints logged by NHTSA. The manual's procedures, specifications, torque values, wiring diagrams and diagnostics for the 10.0L, 14.0L and 14.6L turbocharged inline-sixes, in both the straight truck and the tractor, remain the reference for this long-conventional model.
