1998 Ford LT8501 Service and Repair Manual
This factory service and repair manual for the 1998 Ford LT8501 lists two turbocharged inline-six diesels, the 8.3L (504 cu in) and the 7.2L (441 cu in), in a short conventional built as a tractor truck and as a straight truck, both in Base trim. Wheels and brakes are the systems the federal record touches for this year, and both are covered here in detail, alongside the engine, driveline, chassis and electrical sections with their procedures, specifications, torque values, wiring diagrams and diagnostics.
Engines covered
- 8.3L inline-six (504 cu in) — turbocharged, diesel
- 7.2L inline-six (441 cu in) — turbocharged, diesel
Body styles covered
- Tractor truck, short conventional
- Straight truck, short conventional
Trims covered
- Base
Known issues on the 1998 LT8501. One recall touches the 1998 LT8501, and its subject is wheels. Aftermarket aluminum dual wheels supplied for trailers developed fatigue cracks from a combination of design revisions and process conditions, and cracked wheels can fail in service. One owner complaint is logged with NHTSA against the service brakes. Wheel ends and air brakes sit next to each other on this truck and in the manual, which carries the mounting torque values, brake procedures, specifications and diagnostics for both.
VEHICLE DESCRIPTION: TRAILERS EQUIPPED WITH AFTERMARKET ALUMINUM DUAL WHEELS, 22.5X8.25, ONE-PIECE, TUBELESS, SUPPLIED BY ACCURIDE/AKW. CERTAIN DESIGN REVISIONS COMBINED WITH PROCESS CONDITIONS CAUS
BRAKES FEEL "SPONGY" OR "SOFT" WHEN PRESSURE IS APPLIED TO THE BRAKE PEDAL. CONSUMER IS CONCERNED THAT THE BRAKE SYSTEM WOULD NOT STOP VEHICLE IN AN EMERGENCY BRAKING SITUATION. DEALERSHIP HAS NOT E
