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1977
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Scout II 2D Utility, 5.7L Eng, 4WD, Automatic Trans
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Repair and Diagnosis
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Engine Mechanical
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Auxiliary Emission Control Systems
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EGR System
EGR System
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Description
Operation
Thermal Vacuum Switch (TVS)
Ported Vacuum EGR System
Vacuum Amplified EGR System
Dual Diaphragm EGR Valve
Positive BACKPRESSURE EGR Valve
Testing
Functional Tests
EGR Valve Installed
EGR Valve Removed (Positive Backpressure Type)
Thermal Vacuum Switch (Engine Cold)
Thermal Vacuum Switch (Engine Warm)
Vacuum Amplifier
Maintenance
EGR Valve Cleaning
EGR Passage Cleaning
V8 Engines
International Harvester Throttle Modulator
Description
Operation
Testing
Throttle Modulator
Vacuum Solenoid Valve
Speed Sensor