audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Combination Valve, Checking|Page 3327 > < Vehicle Speed Sensor|Testing and Inspection|Page 3320
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Air Injection Control Valve: Testing and Inspection
Combination Valve, Checking

Combination Valve, Checking

Special tools, testers and auxiliary items required

‹› Hand vacuum pump

Test conditions

‹› Hose connections properly sealed.

Work sequence

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Remove the engine compartment trim.

-

Remove the engine cover - 2 -.

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Remove the air filter housing bolts - arrows -.

-

Remove the air guide hoses - 1 - and - 6 - from the air filter housing.

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Disconnect the mass air flow (MAF) sensor (G70) - 5 - and the mass air flow (MAF) sensor 2 (G246) - 3 - electrical connectors.

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Loosen the hose clamps - 2 - and - 4 - and remove the air filter housing.

Combination Valve, Checking|Page 3327 > < Vehicle Speed Sensor|Testing and Inspection|Page 3320