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Passat Sedan V6-3.6L (BLV) (2008)

Engine, Cooling and Exhaust > Engine > Intake Manifold > Component Information > Testing and Inspection > One Piece Intake Manifold > Page 2127

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‹› Use a mirror for testing.

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Disconnect the (VAS 6213) from the vacuum actuator. Operating plunger must spring back into its initial position.

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If the operating plunger does not move as described, replace the actuator.

Intake Air Pre-Heating, Checking

Special tools, testers and auxiliary items required

‹› Chilling Spray (commercially available)

‹› Installed only on cold climate vehicles.

Regulator Flap, Checking:

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Remove the upper air filter housing and filter element. Refer to => [ Air Filter Housing Overview ] See: Service and Repair/One Piece Intake
Manifold.

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Check the position of the regulator flap - 1 -.

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Spray the thermal element - arrow - with the chilling spray.

‹› The regulator flap must close the warm air connection completely at 14 °C (57.2 °F) and above.

‹› Below 0 °C (32 °F), the regulator flap must open the warm air connection completely.

Fuel Pressure Sensor, Checking

Engine, Cooling and Exhaust > Engine > Intake Manifold > Component Information > Testing and Inspection > One Piece Intake Manifold > Page 2127

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