audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Wastegate Actuator|Testing and Inspection|Page 2776 > < Turbocharger Coolant Line|Service and Repair|Page 2772
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Wastegate Actuator: Testing and Inspection

Exhaust Turbocharger Vacuum Diaphragm, Checking

Special tools, testers and auxiliary items required

‹› Hand vacuum pump (VAS 6213)

Test conditions:

‹› Hose from exhaust turbocharger over Wastegate Bypass Regulator Valve (N75) must have continuity to vacuum diaphragm.

‹› Wastegate Bypass Regulator Valve (N75) OK. 

Work procedure:

-

Disconnect electrical connector on Mass Air Flow (MAF) Sensor (G70) - 3 -.

-

Open clips - 1 and 2 - and remove air guide hose from mass air flow sensor.

-

Remove front air intake connector on lock carrier - 4 -

-

Remove engine cover.

-

Connect Hand Vacuum Pump (VAS 6213) to vacuum diaphragm - arrow -.

Wastegate Actuator|Testing and Inspection|Page 2776 > < Turbocharger Coolant Line|Service and Repair|Page 2772