2012 Navistar Maxxforce 15 Engine Diagnostic Troubleshooting Manual
FILE DETAILS:
LANGUAGE:ENGLISH
PAGES:452
DOWNLOADABLE:YES
FILE TYPE:PDF
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DESCRIPTION:
2012 Navistar Maxxforce 15 Engine Diagnostic Troubleshooting Manual
Foreword:
- Navistar, Inc. is committed to continuous research and development to improve products and introduce technological advances. Procedures, specifications, and parts defined in published technical service literature may be altered.
- Service Diagnosis Service diagnosis is an investigative procedure that must be followed to find and correct an engine application problem or an engine problem. If the problem is engine application, see specific vehicle manuals for further diagnostic information. If the problem is the engine, see specific Engine Diagnostic Manual for further diagnostic information.
Safety Information :
This manual provides general and specific maintenance procedures essential for reliable engine operation and your safety. Since many variations in procedures, tools, and service parts are involved, advice for all possible safety conditions and hazards cannot be stated. Read safety instructions before doing any service and test procedures for the engine or vehicle. See related application manuals for more information. Disregard for Safety Instructions, Warnings, Cautions, and Notes in this manual can lead to injury, death or damage to the engine or vehicle.
- Engine Description The MaxxForce® 15 diesel engine has been designed for increased durability and reliability. The cylinder head has four valves per cylinder with centrally located fuel injectors directing fuel over the pistons. This configuration provides improved performance and reduces emissions.
- The overhead camshaft is supported by seven bearings in the cylinder head. The camshaft gear is driven from the front of the engine. The overhead valve train includes roller rocker arms and dual valves that open using a valve bridge.
- The MaxxForce® 15 engine uses one piece forged steel pistons. Cooling jet cutouts and feed holes are placed on both sides of the pistons. Pistons may be installed in either direction however pistons are originally installed with casting bump on bottom of pin boss toward rear of engine.
- The one piece crankcase can withstand high-pressure loads during operation. The crankcase uses replaceable wet cylinder sleeves that are sealed by a system of three O-rings. Sound shields are strategically placed on the engine to reduce noise.
TABLE OF CONTENTS:
2012 Navistar Maxxforce 15 Engine Diagnostic Troubleshooting Manual
Foreword 1
Service Diagnosis 2
Safety Information 3
Engine Systems 5
Engine and Vehicle Features 51
Diagnostic Software Operation 59
Engine Symptoms Diagnostics 67
Hard Start and No Start Diagnostics 101
Performance Diagnostics 135
Electronic Control Systems Diagnostics 171
Diagnostic Tools and Accessories 375
Abbreviations and Acronyms 401
Terminology 409
Appendix A: Performance Specifications 421
Appendix B: Signal Values 433
Appendix C: Technical Service Information (TSI)443
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