Isuzu 4BB1, 4BD1, 4BD1T Engine Workshop Service Manual

TABLE OF CONTENTS

1 General Information
2 Maintenance
3 Engine Assembl V I (Disassembl V)
4 Engine Assembl V Ii (Inspection & Repair)
5 Engine Assembly Ill
(Reassembly)
6 Lubricating System
7 Cooling System
8 Fuel System
9 Turbocharger
10 Air Compressor
11 Engine Electricals
12 Troubleshooting
13 Special Tool List
14 Conversion Table

This Manual is designed to help you perform necessary maintenance, service, and repair procedures on applicable Isuzu industrial engines.
Information contained in this Manual is the latest available at the time of publication.

Isuzu reserves the right to make changes at any time without prior notice.

The Table of Contents at the right hand side of this page shows you the general arrangement of the material in this Manual. A more detailed Table of Contents precedes each individual section.
The black spot at the right hand side of some pages indicates the first page of a given section.
This Manual is applicable to 1986 and later models.

This Manual is applicable to the family of industrial diesel engines. Unless otherwise specified, these engines have common parts and components as well as data and specifications.
Illustrations used in this Manual are based on the engines.

The engine are turbocharged.
1. Find the applicable section by referring to the Table of Contents at the beginning of the Manual.
2. Common technical data such as general maintenance items, service specifications, and tightening torques are included in the “General Information” section.
3. Each section is divided into sub-sections dealing with disassembly, inspection and repair, and reassembly.
The section ENGINE ASSEMBLY is an exception. This part is divided into three sections to facilitates quick indexing.
4. When the same servicing operation is applicable to several different units, the manual will direct you to the appropriate page.
5. For the sake of brevity, self-explanatory removal and installation procedures are omitted.
More complex procedures are covered in detail.