Actuating Leak Detection Pump (LDP) -V144-

WARNING: This page is about a different car, the 2004 Audi A6, 2003 Audi A6, 2002 Audi A6, 2001 Audi A6, and 2000 Audi A6. However, it is still accessible from the selected car via links, so may be relevant.

Press --> button.

Indicated on display

Fig 1: VAG 1551 Scan Tool Display - Actuating Leak Detection Pump (ART)

Courtesy of AUDI OF AMERICA, INC.

The change over valve in the LDP is activated for approximately 1 minute (clicks), unless the --> button pressed to switch to the 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) -V144-, CHECKING .