Workshop Manual for ISUZU 4J Series NHR NKR NPR
Before using this Workshop Manual to assist you in performing vehicle service and maintenance operations, it is recommended that you carefully read and thoroughly understand the information contained in Section 0A under the headings “GENERAL REPAIR INSTRUCTIONS” and “HOW TO USE THIS MANUAL”.
All material contained in this Manual is based on the latest product information available at the time of publication.
All rights are reserved to make changes at any time without prior notice.
This Manual Applicable Model : NHR55. NKR55. NPR55. NPR69
ISUZU Workshop Manual 4J Series NHR NKR NPR SECTIONS
SECTION NO. |
CONTENTS |
00 |
Service Information |
6A |
Engine Mechanical |
6A1 |
4JB1/4JB1T/4JB1-TC/4JG2 Engine |
6B |
Engine Cooling |
6C |
Fuel System |
6D |
Engine Electrical |
6E |
Exhaust Gas Recirculation (EGR) System |
6F |
Exhaust |
6G |
Turbocharger |
ISUZU Workshop Manual 4J Series NHR NKR NPR Table of Content
Hard Starting |
00 - |
3 |
Starter Inoperative |
00 - |
3 |
Starter Motor Operates but Engine Does Not Turn Over |
00 - |
3 |
Engine Turns Over but Does Not Start |
00 - |
4 |
Quick-on Start System |
00 - |
5 |
Unstable Idling |
00 - |
6 |
Insufficient Power |
00 - |
7 |
Excessive Fuel Consumption |
00 - |
9 |
Excessive Oil Consumption |
00 - |
9 |
Overheating |
00 - |
10 |
White Exhaust Smoke |
00 - |
10 |
Dark Exhaust Smoke |
00 - |
11 |
Oil Pressure Does Not Rise |
00 - |
11 |
Abnormal Engine Noise |
00 - |
12 |
Engine Knocking |
00 - |
12 |
Gas Leakage Noise |
00 - |
12 |
Continuous Noise |
00 - |
12 |
Slapping Noise |
00 - |
13 |
Engine Cooling Trouble |
00 - |
14 |
Engine Electrical Part Trouble |
00 - |
15 |
Turbocharger |
00 - |
20 |
Lubrication Chart |
00 - |
29 |
STARTING
1. STARTER INOPERATIVE |
||
Checkpoint |
Possible cause |
Correction |
Battery |
Loose battery cable terminal poor connections due to rusting |
Clean and/or retighten the battery cable terminal |
Battery discharged or weak |
Recharge or replace the battery |
|
Fan belt loose or broken |
Adjust or replace the fan belt |
|
Fusible link |
Fusible link shorted |
Replace the fusible link |
Starter switch |
Defective starter switch or starter relay |
Replace the starter switch or the Starter relay |
Starter motor |
Defective magnetic switch or starter relay |
Repair or replace the magnetic switch |
Repair or replace the starter motor |
||
2. STARTER MOTOR OPERATES BUT ENGINE DOES NOT TURN OVER |
||
Battery |
Loose battery cable terminal |
Clean and/or retighten the battery cable terminal |
Poor connections due to rusting |
Recharge or replace the battery |
|
Battery discharged or weak |
Recharge or replace the battery |
|
Fan belt loose or broken |
Adjust or replace the fan belt |
|
Starter |
Defective pinion gear |
Replace the pinion gear |
Defective magnetic switch |
Repair or replace the magnetic switch |
|
Brush wear, Weak brush spring |
Replace the brush and/or the brush spring |
|
Engine |
Piston, crank bearing seizure, or other damage |
Repair or replace the related parts |
Readmore and Workshop Manual for ISUZU 4J Series NHR NKR NPR
Title | : Workshop Manual for ISUZU 4J Series NHR NKR NPR |
Format | |
Pages | : 406 Pages |
Language | : English |
File Size | : 10 MB |