Page ii ATTENTION The information in this manual is not all inclusive and cannot take into account all unique situations. Note that some illustrations are typical and may not reflect the exact arrangement of every component installed on a specific chassis. The information, specifications, and illustrations in this publication are based on information that was current at the time of publication. Note that illustrations and instructions are based on information that is subject to change as new engine/chassis development continues. No part of this publication may be reproduced, stored in a retrieval system, or be transmitted in any form by any means including (but not limited to) electronic, mechanical, photocopying, recording, or otherwise without prior written permission of Mack Trucks, Inc.
This workshop service repair manual is for the MACK 12.8L MP8 MP-8 diesel engine, a 12.8L 6-cylinder in-line, direct-injection, diesel engine. It includes the following content:
Introduction
Visual Identification
Description and Operation
Component Locator
Troubleshooting
Engine Symptom Diagnosis
Engine Brake Tests
Maintenance
Engine Removal
Engine Disassembly
Cylinder Block Reconditioning
Crankshaft & Flywheel Bench
Auxiliary Shaft & Camshaft Bench
Connecting Rod and Piston Bench
Cylinder Head Overhaul
Valve Rocker Arm Shaft Bench
Lubrication System
Cooling System
Fuel System
Engine Reassembly
Engine Installation
In-Chassis Part/Component
Electronic Unit Pump Replacement
Exhaust Valve Yoke
Injector Copper Sleeve Replacement
Turbocharger Smart Remote Actuator
Crankcase Ventilation (CCV)
Engine Setup and Adjustments
Engine Speed and Position Sensors
Rebuilt Engine Run-in Procedures
Engine Mechanical Specifications
Special Tools & Equipment
Fastener Identification
Torque Wrench Use
Engine Final Preparation
This comprehensive manual features detailed exploded views and step-by-step written procedures with pictures and diagrams. It is suitable for professional mechanics and DIY enthusiasts for repairs, maintenance, and servicing of the MACK 12.8L MP8 MP-8 diesel engine.