audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Variable Induction Control Solenoid|Testing and Inspection|Page 8504 > < Variable Induction Control Solenoid|Testing and Inspection
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Connect hand vacuum pump (VAS 6213) to vacuum actuator connector - arrow - as shown in illustration. 

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With hand vacuum pump, create vacuum and observe vacuum actuator linkage.

‹› Linkage must move - arrow -.

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Vent hand vacuum pump.

‹› Linkage must move back into output position.

‹› Check linkage movement sequence over entire adjustment range: it must move continuously without jerking.

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If linkage on vacuum actuator does not move or moves jerkily, replace actuator.

Variable Induction Control Solenoid|Testing and Inspection|Page 8504 > < Variable Induction Control Solenoid|Testing and Inspection