1988 Ford LT9000 Service and Repair Manual
This factory service and repair manual for the 1988 Ford LT9000 brings back the 7.0L inline-six (426 cu in) alongside three turbocharged inline-sixes, the 10.0L (611 cu in), the 14.6L (893 cu in) and the 14.0L (855 cu in), all diesel. Three body styles are listed for the year: the medium-conventional tractor truck, a low-tilt straight truck and the medium-conventional straight truck, each in Base trim. The low-tilt straight truck does not appear in the previous year's list, and it is the part of the year's procedures, specifications, torque values, wiring diagrams and diagnostics that has no counterpart in the previous year's manual.
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
- 7.0L inline-six (426 cu in) — diesel
Body styles covered
- Tractor truck, medium conventional
- Straight truck, low tilt
- Straight truck, medium conventional
Trims covered
- Base
Known issues on the 1988 LT9000. The 1988 LT9000 has a clean federal record, with no recalls and no owner complaints logged with NHTSA. The manual's procedures, specifications, torque values, wiring diagrams and diagnostics therefore serve as plain maintenance and repair reference for the 7.0L inline-six, the turbocharged 10.0L, 14.6L and 14.0L inline-sixes, and the three chassis types, including the low-tilt straight truck that this year adds.
