Diesel Variable Geometry Turbo Explained
Diesel Variable Geometry Turbo Explained is a true state of the art technology, which is now widely used in vehicle manufacturers efforts to tightly control turbo boost. This title covers the intricacies of Diesel Variable Geometry Turbo components. Various components are covered not just from a theoretical point of view, but also from a practical approach to diagnostics. An effort was made to provide the best diagrams and animations (DVD sets) possible. This series concentrates only on Diesel computer controlled variable geometry turbo chargers. Enjoy...
Diesel Variable Geometry Turbo Explained
(An Automotive Diesel Series)
* - Diesel VGT Turbo Intro...
An introduction to the Diesel variable geometry turbo chargers developed to circumvent the drawbacks of turbo technology. With details on specific pressure values and operation. See how they compare to older regular turbos using actual shots and CG animation technology.
* - Diesel VGT Turbo Facts
Purely factual information on aperture ratio, aspect ratio, exploded computer animation view, pumping loses, lag time and low boost threshold specifications. Get an in depth short view on VGT turbo units.
* - Diesel VGT Turbo Detailed 1
Extremely detailed explanation (part-1) of how these units change their geometry during operation. See how part interlink with each other. See the system in operation from different angles to visualize their operation.
* - Diesel VGT Turbo Detailed 2
Extremely detailed explanation (part-2) of how these units change their geometry during operation. See how part interlink with each other. See the system in operation from different angles to visualize their operation.
* - Diesel VGT Turbo Disassembly & Inspection
Details on disassembling and inspecting the variable geometry turbo chargers section using actual real world shots and CG imaging animation to show concepts. Learn how to mark parts for orientation, aligning the unison ring and inspecting the unit.
* - Diesel VGT Turbo Cleaning & Assembly
Get the scoop on cleaning and assembling the VGT turbo units. Lean to clean the sender, unison ring, housing, recess cam area and prep the unit for assembly. Finally learn the assess the VGT alignment and operation from a visual inspection before releasing the unit.
* - Diesel VGT Turbo Failures
See which parts tend to fail on a VGT turbo unit. Lean from actual tech derived anecdotes compiled during a few years of work. See how heat issues shorted the life of these components.
* - Diesel VGT Turbo Vacuum Actuator OBD-2 Monitor
Sheds lot of information on the VGT vacuum actuator (when employed) relates to the OBD-2 diagnostic system. These VGTs employ no feedback sensor and MAP sensor is used instead. See how it all works using waveforms and graphs interpretation.
* - Diesel VGT Turbo Electronic Actuator Basics
Explains the more precise electrical actuation of the VGT turbo mechanism as opposed to hydraulic actuation. See how it's wired to the ECM and how a feedback position sensor is used. See why and how electrically controlled VGTs operate.
* - Diesel VGT Turbo Position Sensor Test
Learn about the specific electrical characteristics and voltage values of the VGT electrically controlled system. Explain about voltage reference, feedback values and grounds relating to the VGT turbo control.
* - Diesel VGT Turbo Speed Sensor Test
These units are so well developed that a turbine speed sensor is also used to provide the ECM with turbo speed values. This sensor is also used to prevent overspeed and control the boost. See how a magnetic or Hall-Effect sensor is used to determine parameters.
* - BONUS Video...
Duty-Cycle Analysis & Wiring Diagrams - Analyze the ability of the ECM to control duty-cycle and what it means. Almost all components are now controlled using a DC scheme. It is used to preserve the general heath and durability of components. See how it all works.
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