Volkswagen Workshop Service and Repair Manuals

Special tools, workshop equipment, testers, measuring instruments and auxiliary items required

• ◆ V.A.G 1390 Hand vacuum pump

Test sequence

• ‒ → Pull vacuum hose -2- off ERG valve (N18) -3- and connect hand vacuum pump V.A.G 1390.
• ‒ Pull vacuum hose -1- off (mechanical) exhaust gas recirculation valve.
• ‒ Pull 2 pin connector -4- off EGR valve (N18) -3-.
• ‒ Start engine and run at idling speed.
• ‒ Operate hand vacuum pump.
       A vacuum must build up.
• ‒ Fit 2 pin connector -4- on EGR valve (N18) -3-. Vacuum at hand vacuum pump
       must release instantly.