Golf L4-1.9L DSL Turbo (BEW) (2004)
EGR Control Solenoid: Testing and Inspection
Part I
EGR Vacuum Regulator Solenoid Valve, Checking
Recommended special tools and equipment
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VAG1390 hand vacuum pump
Test sequence
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Remove engine cover.
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Unclamp connecting pipe between charge air cooler and exhaust pipe at exhaust pipe.
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Disconnect vacuum hose at EGR vacuum regulator solenoid valve.
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Connect V.A.G 1390 hand vacuum pump to valve.
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Operate hand vacuum pump and observe diaphragm rod.
Diaphragm rod must move in direction of arrow.
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Disconnect hose of hand vacuum pump from EGR valve.
Diaphragm rod must move back in opposite direction of arrow into the original rest position.