Beetle L4-1.9L DSL Turbo (ALH) (1998)
EGR Valve: Testing and Inspection
Exhaust Gas Recirculation (EGR) valve, checking
Special tools and equipment
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VAG 1390 Hand vacuum pump
Test sequence
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Remove engine cover.
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Disconnect pipe between Charge Air cooler and intake manifold at intake manifold.
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Disconnect vacuum hose from EGR valve.
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Connect VAG 1390 hand vacuum pump to EGR valve.
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Operate pump and observe membrane rod.
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Membrane rod must move in direction of arrow.
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Disconnect hand vacuum pump hose from EGR valve.
Membrane rod must move back against direction of arrow to its original position.