Part of the New Holland Repair Manuals.
Valve timing marks, main bearing fits, injection pump timing: the arguments that stall a bench rebuild get settled inside this 117-page New Holland F4GE0454C, F4GE0484G repair manual PDF, the factory overhaul book covering both engine variants. Diagnostics lead off, tracing a no-start, overheating, low power, or smoking exhaust back to root causes before you loosen a single bolt. From there the overhaul chapters walk the crankcase, crankshaft, connecting rods, cylinder head, and valve gear through disassembly, bench measurement, and reassembly, and wiring diagrams for the starter motor and alternator close out the recharge and start-up section. Refill the sump and filter with 7.6 liters of oil, then seat each injector fastener at 60 Nm, plus or minus 5. Alone at the stand, there is no one to ask. This bookmarked, text-searchable PDF sits open wherever your engine is, bench, stand, or shop floor.
What's Inside This Repair Manual
| System | Pages | Key Topics |
|---|---|---|
| Introduction | 4-5 | To the Reader, Further References, Page Number, Symbols, Unit of Measure |
| Diagnostics | 8-23 | Main Engine Operating Anomalies, Engine Won't Start, Engine Overheats, Engine Lacks Power, Engine Exhaust Smoke, Engine Stops |
| Engine Overhaul - General Information and Components | 24-41 | Engine Coding, Main Engine Features, General Engine Specifications, Tightening Torques, Tools, Engine Component Identification |
| Engine Overhaul - Main Mechanic Components | 42-58 | Crankcase, Drive Shaft, Connecting Rods, Pistons, Distributing Shaft, Valve Control, Cylinder Head, Oil Sump |
| Engine Overhaul - Cooling and Lubrication Systems | 59-63 | Oil Vapour Recirculation, Cooling System, Water Pump, Fuel Filter, Mechanic Fuel Pump |
| Engine Overhaul - Disassembly and Bench Overhaul | 64-80 | Injection Assembly, Engine Disassembly, Replacing Seal Rings, Removing Injection Pump, Removing Flywheel, Rocker Arm Assembly, Cylinder Cluster Repair |
| Engine Overhaul - Valve Gear and Drive Shaft Maintenance | 81-90 | Replacing Oil Pump Drive Gears, Mounting Main Bearings, Measuring Journal Play, Connecting Rod-Piston Assembly, Piston Protrusion |
| Engine Overhaul - Reassembly and Final Adjustments | 91-111 | Distribution Gearbox Case, Valve Timing, Injection Pump Timing, Flywheel Cover Case, Mounting Cylinder Head, Adjusting Tappets |
| Recharge and Start-Up | 112-117 | Starter Motor, Alternator |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Injector fastening torque | 60 ± 5 Nm | p. 37 |
| Fuel pump fastening torque | 25 ± 5 Nm | p. 37 |
| Starter motor fastening torque | 55 ± 5 Nm | p. 37 |
| Belt stretcher fastening torque | 45 ± 5 Nm | p. 37 |
| Engine Oil Capacity (sump + filter) | 7.6 L | p. 30 |
| Thermostat Start of Opening | 81 ± 2 °C | p. 30 |
| Injection Pressure | 245 bar | p. 30 |
| Cylinder Liner Bore | 104 mm | p. 31 |
| Cylinder Head Fastening Screw 1st phase (M12x1.75x70) | 50 ± 5 Nm | p. 37 |
| Cylinder Head Fastening Screw 1st phase (M12x1.75x140) | 40 ± 5 Nm | p. 37 |
| Cylinder Head Fastening Screw 1st phase (M12x1.75x180) | 70 ± 5 Nm | p. 37 |
| Connecting Rod Cap Fastening Screw 1st phase | 50 ± 5 Nm | p. 37 |
