Q7 Quattro V6-3.6L (BHK) (2007)
Variable Induction Control Actuator: Testing and Inspection
Intake Flap Vacuum Actuator, Checking
Only perform test if there were complaints about reduced torque, elasticity or engine power.
Special tools, testers and auxiliary items required
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Hand vacuum pump VAS 6213
Work procedure
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Start engine.
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Accelerate abruptly and observe linkage on back side of vacuum actuator when doing so.
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Linkage must move - arrow -.
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If linkage on vacuum actuator does not move, check the following:
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Vacuum system for leaks,
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Change-over mechanism linkage for ease of movement.
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Vacuum hoses for correct connection,
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Vacuum hoses for leaks.
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If no malfunctions are found, remove vacuum hose on vacuum actuator.
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Connect Hand Vacuum Pump VAS 6213 to vacuum actuator connector - arrow - as shown in illustration.