Part of Lesson Plan: **Introduction to the Exhaust Gas Recycling Valve and Systems (updated) by Richard Williams
Activity Overview / Details
I start my Power Point which covers the theory, purpose, function, evolution, and proper testing of the common automotive EGR valve and activation systems. The students are are encourged to take and may download and utilize the ppt. notes pages I have posted on the school web site. I also have a video camera set up to show EGR components and demonstrate vacuum testing of diaphragm.
Materials / Resource
EGR classroom ppt
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EGR ppt note pages
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Student note pages. I feel it's best for the students to print this out as handouts, 3 slides per page.
egr pipe & sens.jpg
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egr bp dia
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egr chry with bp sol
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egr ford pdv.jpg
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egr gm elec
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egr gm p&n bp
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This shows both types of GM Back Pressure EGR valves. You can see the P (+) and N (-) identified in the part #.
egr vac dia lift
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This is a demonstration of using a vacuum pump to test EGR diaphragm




