1 2 a systems approach powerpoint® presentation prepared by rené green
TRANSCRIPT
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A Systems Approach
PowerPoint® Presentation
Prepared by
René Green
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Chapter 12
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Chapter Overview This chapter covers all the recent advances in intake
and exhaust systems. Among these are thermostatic air cleaners, catalytic converters, turbochargers, and superchargers. There is some attention given to inspection and replacement of various components.
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Chapter Objectives Explain the operation of the components in the
air induction system, including ductwork, air cleaner/filters, and intake manifolds.
Describe how the engine creates vacuum and how vacuum is used to operate and control many automotive devices.
Inspect and troubleshoot vacuum and air induction systems.
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Explain the operation of exhaust system components, including exhaust manifold, gaskets, exhaust pipe and seal, catalytic converter, muffler, resonator, tailpipe and clamps, brackets, and hangers.
Properly perform an exhaust system inspection, and service and replace exhaust system components.
Explain the purpose and operation of a turbocharger.
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Inspect a turbocharger, and describe some common turbocharger problems.
Explain supercharger operation, and identify common supercharger problems.
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The Air Induction System Air Intake DuctworkAir cleaner/filter
• Air filter design• Air filter service• Thermostatic air
cleaners.
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Intake manifoldServicing an
intake manifold. Vacuum Systems
Vacuum basics Vacuum controls
Vacuum schematic
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Diagnosis and troubleshooting
Vacuum test equipment
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Exhaust System Components Exhaust Manifold
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Exhaust Pipe and Seal
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Catalytic Converters
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Mufflers Resonator
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Tail Pipe Heat Shields Clamps, Brackets,
and Hangers
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Exhaust System Service Exhaust System Inspection Exhaust Restriction Test Exhaust Manifold and Exhaust Pipe Servicing
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Replacing Exhaust System ComponentsReplacing
leaking gaskets and seals
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Turbochargers and Superchargers Turbocharger
OperationTurbocharger
systemWaste gate valve
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Intercooler
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Lubricating systemSpark-retard systemComputer-controlled systems
Turbocharger Inspection Waste Gate Service Common Turbocharger Problems
Turbo-lagReplacing turbocharger
Turbo Start-Up and Shutdown
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Superchargers Supercharger
operation Supercharger
designsRoots G-Lader
Supercharger problems