Volkswagen Workshop Service and Repair Manuals

(Engine code 1Y)

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

• ◆ Hand vacuum pump V.A.G 1390

Test sequence

• ‒ → Pull vacuum hose -5- off vacuum line -4- and connect hand vacuum pump V.A.G 1390 to vacuum hose.
• ‒ Pull vacuum hose -1- off (mechanical) exhaust gas recirculation valve.
• ‒ Pull 2 pin connector -3- off exhaust gas recirculation two-way valve (N161 or N18) -2-.
• ‒ Start engine and run at idling speed.
• ‒ Operate hand vacuum pump.
       A vacuum must build up.
• ‒ Fit 2 pin connector -3- on exhaust gas recirculation two-way valve -2-. Vacuum at hand vacuum pump must
       release rapidly.