Self Study Program 821603 – TDI Diesel

SVAG SSP 821603. The diesel engine was developed as an alternative means of power other than steam. Similar to the gasoline engine, the operation is based on the Otto cycle. The diesel engine is a compression-ignition engine. This means that tightly compressed air and  injected fuel are used to power the engine; no spark plugs are used in this type of engine.

Rudolph Diesel is given the credit for the compression-ignition engine. His first attempts used coal dust as the fuel. These attempts resulted in the engines exploding. After continuous failed attempts, Diesel switched to a liquid fuel. The liquid fuel worked, and in 1895, the compression ignition engine was  patented in the U.S. and became known as the diesel engine.

Traditionally, diesels have been considered reliable, but massive and noisy engines. They lacked power and were difficult to start in cold weather. Diesel engines seemed to be best suited for industrial use,  where they have succeeded as universal workhorses.

In an effort to explore all possibilities for cleaner, more efficient engines, Volkswagen has developed  diesel engines that are practical for passenger car use.

Presently, the diesel is the only alternative engine capable of extraordinary fuel economy with a simple design devoid of complex emission controls.

CONTENTS

• Introduction
• Fuel Supply
• Pump Injection System
• Engine Management
• Glow Plug System
• Functional Diagram
• Service
• Knowledge Assessment

This Self-Study Program covers information on Volkswagen TDI Technology.
This Self-Study Program is not a Repair Manual.
This information will not be updated.

For testing, adjustment and repair procedures, always refer to the latest electronic service information.

Language: English
Format: PDF
Pages: 64

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