New Beetle L4-1.9L DSL Turbo (BEW) (2006)
EGR Valve: Testing and Inspection
Exhaust Gas Recirculation Valve, Checking
Special tools, testers and auxiliary items required
‹› Hand operated Vacuum Pump.
Test requirements
‹› Ignition switched off.
Test procedure
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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check.
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Disconnect EGR valve vacuum hose.
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Connect Hand operated Vacuum Pump to the EGR valve vacuum port.
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Using the Hand operated Vacuum Pump, open the EGR valve.
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The diaphragm must move towards the EGR valve vacuum port.
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Disconnect the Hand operated Vacuum Pump from the EGR valve vacuum port opening the EGR valve.
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The diaphragm must move away from the EGR valve vacuum port closing the EGR valve.
If the diaphragm does not move or moves in one direction only:
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Replace the EGR valve.