Leak Detection Pump (LDP) -V144-

Removing 

-- Remove rear left wheel housing liner. Refer to Removal and Installation .

-- Disconnect the bleed line -2- from the diagnosis pump and disengage it from the bracket -arrow-.

Fig 1: Disconnecting Leak Detection Pump (LDP) V144 Electrical Harness Connector

Courtesy of AUDI OF AMERICA, LLC

-- Disconnect electrical connector -3-.

-- Disconnect vent line -5- by pressing release button.

-- Remove nuts -1 and 4-.

-- Disengage diagnostic pump with bracket.

Installing 

• Tightening specification, refer to EVAP CANISTER AND LEAK DETECTION SYSTEM OVERVIEW .

Installation is carried out in the reverse order while noting the following:

• Vent line -5- must engage audibly.

-- Install left rear wheel housing liner. Refer to Removal and Installation .