Volkswagen Workshop Manuals
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
‹› Use a mirror for testing.
Disconnect the (VAS 6213) from the vacuum actuator. Operating plunger must spring back into its initial position.
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:
Remove the upper air filter housing and filter element. Refer to => [ Air Filter Housing Overview ] See: Service and Repair/One Piece Intake
Check the position of the regulator flap - 1 -.
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
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