Automotive Systems

Formerly Automotive Systems I

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Unit 2 Construction of Internal Combustion Engines


Select a module from one of these lessons:

2-1 Engine Construction

2-1.1 Introduction
2-2 Stationary Parts of an Engine: Introduction
2-2.2 Engine Cylinder Block
2-2.3 Cylinder Head
2-2.4 Exhaust and Intake Manifolds
2-2.5 Gaskets
2-2.6 Oil Seals
2-3 Moving Parts of an Engine
2-3.1 Introduction
2-3.2 Piston Assembly
2-3.3 Connecting Rods
2-3.4 Crankshaft
2-3.5 Vibration Damper
2-3.6 Flywheel
2-4 Valves and Valve Mechanisms
2-4.1 Introduction
2-4.2 Camshaft
2-4.3 Followers
2-4.4 Valve and Valve Seats
2-4.5 Valve Guides
2-4.6 Valve Guide Service
2-4.7 Valve Seat Service
2-4.8 Rocker Arm Service
2-4.9 Valve Spring Service
2-5 Timing Gears (Gear Trains)
2-5.1 Timing Gears
2-6 Engine Bearings
2-6.1 Introduction
2-6.2 Bearing Lubrication
2-6.3 Bearing Characteristics
2-6.4 Bearing Materials
2-7 Engine Adjustment and Test
2-7.1 Introduction
2-7.2 Valve Adjustment: Introduction
2-7.3 Overhead Valves
2-7.4 Valves in Block
2-7.5 Hydraulically Operated Valves
2-7.6 OHC Engine Valves
2-7.7 Compression Test
2-7.8 Vacuum Gauge Test
2-7.9 Cylinder Leakage Test

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Often the maintenance needed on an automotive system requires a lot of knowledge and very little physical effort. This is the kind of repair work that separates the good mechanics from the bad ones very quickly. Without the proper knowledge, mechanics may work for hours before they correct a simple problem. Sometimes they may never get an engine running correctly. A good mechanic that understands engines can repair one in a few minutes. This course is written with the intention of starting you on the correct road to becoming a good auto mechanic. In it we describe the different parts of the automotive system and how they operate together to make the system run the way it should.

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