CONTENTS
Foreword
8.1 L HFN01-03 Engines (All CNG)
8.1 L HFN04 Natural Gas Engine (CNG Version Shown)
About This Manual
8.1 L Natural Gas Engine
Safety
General Information
Fuels, Lubricants, and Coolant
Engine Mounting
Engine Rebuild, Break-In and Tune-Up
Cylinder Head and Valves
Cylinder Block, Liners, Pistons, and Rods
Crankshaft, Main Bearings, and Flywheel
Camshaft and Timing Gear Train
Lubrication System
Cooling System
Air Intake and Exhaust System
Fuel Supply System
Starting and Charging System
Electronic Engine Controls
Miscellaneous Accessories
Dealer Fabricated Tools