Part of the New Holland Repair Manuals.
Arguments over S3L2 clearances end here: the 312 page New Holland S3L2 service manual PDF, OEM ID 84523916, is the factory document for this three cylinder diesel engine, whatever it happens to power. The fuel injection section takes up nearly a third of the book, running the pump from removal through timing to injector inspection and the shutoff solenoid. Wiring diagrams map the starting circuit, cold start aid, and alternator, so an electrical fault gets chased with the print in front of you instead of from memory. Before teardown, verify compression against the 26 to 29 bar (377 to 421 psi) spec, then measure standard bores against 78.030 to 78.060 mm. Guess a bearing clearance wrong and you pay twice: parts, then a second teardown. Buy this bookmarked, keyword searchable PDF once and it stays yours for the life of the engine.
What's Inside This New Holland S3L2 Manual
| System | Pages | Key Topics |
|---|---|---|
| Service Manual | 1-2 | Engine and Crankcase, Cylinder Heads, Fuel Injection System, Electrical Systems, Engine Lubrication System, Engine Cooling System |
| Introduction | 3-20 | Safety Rules |
| Engine and Crankcase | 21-42 | General Specifications, Torque Settings, Engine Overview, Compression Pressure Check, Crankcase Measurement |
| Cylinder Heads | 43-66 | Cylinder Head Removal and Installation, Valve Removal and Inspection, Valve Guide Replacement, Valve Seat Regrinding |
| Pan and Covers | 67-80 | Engine Oil Pan Removal and Installation, Engine Block Cover Removal and Installation, Timing Gear Housing |
| Crankshaft and Flywheel | 81-106 | Flywheel Removal and Installation, Crankshaft Oil Seal, Crankshaft Removal and Measurement, Main Bearings |
| Connecting Rods and Pistons | 107-122 | Connecting Rod Removal and Measurement, Piston Pin Removal, Piston Measurement, Piston Ring Installation |
| Valve Drive and Gears | 123-144 | Valve Clearance Inspection, Rocker Arm Disassembly, Camshaft Removal, Tappet Inspection, Camshaft Bushing Installation |
| Pump Drives | 145-156 | Pump Drive Installation, Crankcase Gear Removal, Idler Shaft Installation, Timing Gear Backlash |
| Fuel Filters and Injection System | 157-256 | Fuel Filter Replacement, Fuel Injection Pump Removal and Timing, Fuel Injector Inspection, Fuel Shutoff Solenoid |
| Electrical Systems | 257-312 | Fuel Injection System, Engine Oil System, Engine Starting System, Cold Start Aid, Alternator, Foreword, Foreword - Ecology and the Environment, Safety Rules |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Compression pressure | 26 - 29 bar (377 - 421 psi) | p. 36 |
| Difference between cylinders | Less than 3 bar (42 psi) | p. 36 |
| Hollow screw (fuel injection pump) torque | 15 - 20 N·m (11 - 15 lb ft) | p. 167 |
| Delivery valve holder (fuel injection pump) torque | 39 - 49 N·m (29 - 36 lb ft) | p. 167 |
| Nozzle retaining nut torque | 34 - 39 N·m (25 - 29 lb ft) | p. 167 |
| Nozzle holder torque | 49 - 59 N·m (36 - 44 lb ft) | p. 167 |
| Valve opening temperature | 76.5 °C (169.7 °F) | p. 243 |
| Temperature at which valve lift is 8 mm | 90 °C (194 °F) | p. 248 |
| Belt deflection | 10 - 12 mm (0.39 - 0.47 in) | p. 253 |
| Belt tension force | 98 N (22 lb) | p. 253 |
| Engine Dry Weight | 140 kg | p. 25 |
| Compression Pressure @ 290 RPM | 26 - 29 bar | p. 36 |
New Holland S3L2 Common Problems This Manual Covers
New Holland S3L2 cranks but won't start, or starts hard and dies when cold
Check battery condition and cable connections before condemning injectors; slow cranking kills cold starts on this engine. Purge air from the fuel lines and torque the injection pump air bleeding plug to 10 - 14 N·m (page 166). If it still won't fire, run a compression test per page 38; healthy cylinders read 26 - 29 bar at 290 RPM.
Manual Section: Engine Troubleshooting p. 38Low power under load with black exhaust smoke, worse at full throttle
Replace the air filter first; a plugged element makes black smoke that mimics injector failure. Then pull the injectors and pop test each one; valve opening pressure is 137 bar nominal, 142 - 150 bar standard after adjustment (page 192). Reinstall the nozzles at 49.0 - 58.8 N·m per page 194 and torque the injection pipe nuts to 25 - 34 N·m.
Manual Section: Fuel Injection System Service p. 192Rough idle with heavy vibration, gray smoke under load, one cylinder sounds dead
Run a compression test; spec is 26 - 29 bar at 290 RPM with less than 3 bar spread between cylinders (page 36). A low hole points at valve sealing or rings; set valve lash per the Valve Drive and Gears section on page 123 before tearing deeper. Pop test the injectors; opening below 137 bar drops that cylinder at idle.
Manual Section: Engine Troubleshooting p. 36Burns oil between changes, blue smoke at startup, heavy blow-by from the crankcase breather
Measure the bores before ordering an overhaul kit. Standard cylinder inside diameter is 78.030 - 78.060 mm and piston to cylinder clearance runs 0.035 - 0.086 mm (page 37); past that, bore for 0.25 mm or 0.50 mm oversize pistons. Check block top distortion against the 0.05 mm limit, then torque the head bolts to 83 - 93 N·m per page 29 on reassembly.
Manual Section: Engine and Crankcase p. 37Engine runs hot, coolant pushes out the overflow, temperature climbs steadily under load
Drain the system and test the thermostat in a pan of water; the valve should crack open at 76.5 °C (page 243) and reach 8 mm of lift by 90 °C. Reinstall with the cover torqued to 16 - 20 N·m (page 249), refill with 1.8 L of coolant, and set fan belt deflection to 10 - 12 mm under 98 N of thumb pressure (page 253).
Manual Section: Engine Cooling System Service p. 243Frequently Asked Questions
What are the torque specifications for the cylinder head bolts on the New Holland S3L2 engine?
The cylinder head bolts for the S3L2 engine must be torqued to 83 - 93 N·m (61 - 69 lb ft). p. 29
What is the standard valve clearance for the intake and exhaust valves on the S3L2 engine?
The standard valve clearance for both intake and exhaust valves is 0.25 mm (0.010 in) when the engine is cold. p. 125
What is the oil capacity of the S3L2 engine?
The oil capacity of the S3L2 engine is 4.2 liters (1.11 US gal) with the filter, and 3.7 liters (0.98 US gal) without the filter. p. 227
What is the correct belt tension for the alternator belt on the S3L2 engine?
The belt tension should be checked by applying a force of 98 N (22 lb) to the belt between the alternator and crankshaft pulleys. The resulting belt deflection should be approximately 10 - 12 mm (0.39 - 0.47 in). p. 253
What is the fuel injection timing for the S3L2 engine?
The fuel injection timing for the S3L2 engine should be 19° Before Top Dead Center (BTDC). p. 186
What exactly do I receive with this New Holland S3L2 Service Manual?
Delivery is instant: a 312-page searchable PDF is yours the second checkout clears. Laptop, tablet, or phone, all fine.
Are there any print restrictions on this New Holland S3L2 manual?
Absolutely. No DRM or copy protection. Print the whole manual or just the pages you need. Any home or office printer works.
