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Actuating Leak Detection Pump (LDP) -V144-

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Indicated on display

Fig 1: VAG 1551 Scan Tool Display - Actuating Leak Detection Pump (LDP)
G03611134Courtesy of AUDI OF AMERICA, INC.

Change-over valve in LDP is activated for approximately 1 minute (clicks), unless the right arrow button pressed to switch to next actuator.

NOTE: The clicking can be heard by listening in the area of the left rear wheel housing.

If valve is not actuated (does not click):

See LEAK DETECTION PUMP (LDP), CHECKING