Mitsubishi SL-Series Diesel Engine Service Manual 2004

Comprehensive repair and maintenance guide for Mitsubishi SL, S3L, S3L2, S4L, S4L2 diesel engines. Includes diagrams, specs, and procedures. Part No. MHI-E-SLSERIES-04

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Document Details

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Document Number / Seller:
29145 / William Harris
File Size:
7.13 MB
File Type:
PDF
Language:
English
Printable:
Yes
Category:
Diesel Engine
Last updated / verified
Apr 2, 2025

Models Covered & Key Technical Specifications

Mitsubishi SL-Series Diesel Engine (MHI-E-SLSERIES-04) – 2004

SL, S3L, S3L2, S4L, S4L2 Diesel Engine Service Manual

  • Factory Specifications: 1.125 to 1.758 liters total displacement establishes the core engine capacity.
  • Certified Compression Ratio: 22 is specified as the standard compression ratio for all models.
  • Engineered Firing Order: 1-3-2 governs the firing order for S3L/S3L2, and 1-3-4-2 for S4L/S4L2.
  • Verified Cooling Capacity: 1.8 to 2.5 liters provides the essential coolant capacity.
  • Designated Starter Power: 1.6 to 2.0 kW supports the engine's starting power requirements.
  • Integral Alternator Output: AC generator (12 - 50) supplies the electrical generation capacity.

Professional Workshop Service Manual & Technical Specifications

Complete Engineering Operator's Manual: Mitsubishi SL-Series (S3L, S3L-T, S3L2, S4L, S4L-T, S4L2, S4L2-T) Diesel Engine Service Manual (2004) Overhaul-Reference

Series-Validation: Mitsubishi SL-Series // Model-Specs: S3L, S3L-T, S3L2, S4L, S4L-T, S4L2, S4L2-T // Series-Validation: Diesel Engine

Component Baseline Calibration-Data
ENGINE PROPER 4-cycle, water-cooled, vertical, overhead valve Swirl chamber type
LUBRICATING SYSTEM Forced lubrication Trochoid pump
FUEL SYSTEM Bosch M Throttle type
INTAKE SYSTEM Paper-element type Without TD025
COOLING SYSTEM Forced circulation of water Centrifugal type
ELECTRICAL SYSTEM Sheathed type AC generator (12 - 50)

Service sections detail the operational parameters and repair procedures for the Mitsubishi SL-Series diesel engines. Systematically requiring a thorough understanding of each component, this manual covers engine identification, component locations, detailed specifications, and overhaul instructions.

Timing Procedures

Timing procedures are documented for the engine, ensuring correct mechanical alignment and operation.

Technical Notes

Technical notes are provided for key aspects of engine assembly and disassembly, offering insights into best practices.

Quality Checks

Quality checks are addressed for various components, including valve mechanism, timing gears, crankshaft, pistons, and cylinder block, ensuring proper function.

The Component Section Documents

The rocker arms, valve guides, and valve seats documentation details inspection and measurement procedures.

The Troubleshooting Chapter Addresses

The troubleshooting chapter addresses common engine issues, providing diagnostic charts and systematic approaches to problem resolution.

This manual documents torque specifications for engine components to ensure proper bearing preload accuracy.

FAQ

Reference the **specified** tool requirements for engine assembly? keyboard_arrow_down

31A91-00100 Piston Pin Setting Tool is specified for piston pin removal and installation, while ST332340 Camshaft Bushing Installer is for camshaft bushing replacement.

What are the **essential** electrical values for the starter motor? keyboard_arrow_down

The starter nominal output is 12-1.7kW for S3L/S3L2 models and 12-2.0kW for S4L/S4L2 models, with a no-load terminal voltage of 11.5V and 11V respectively.

Specify the **correct** calibration settings for the fan belt. keyboard_arrow_down

The correct fan belt deflection is 10 to 12 mm (0.4 to 0.5 in.) under a 10 kgf (22 lbf) [98 N] force applied midway between the alternator and crankshaft pulleys.

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This service manual has been a lifesaver for my maintenance projects. I appreciated the quick email support when I had questions. The download was hassle-free as well!
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The manual is incredibly detailed and easy to follow. The download process was smooth, and I received the link almost immediately. Highly recommended!