Components of the EVAP system, servicing

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2005 Volkswagen GTI, 2004 Volkswagen Jetta, 2004 Volkswagen GTI, 2003 Volkswagen Jetta, and 2003 Volkswagen GTI. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Checking EVAP system for leaks → EVAP system, checking for leaks .
Components marked with an are checked by On Board Diagnostic (OBD): → 01 ON BOARD DIAGNOSTIC (OBD)
Components marked with are checked by output Diagnostic Test Mode (DTM): → 01 ON BOARD DIAGNOSTIC (OBD)

Fig 1: Exploded View Of Evaporative Emissions System Components

Courtesy of VOLKSWAGEN UNITED STATES, INC.

1 - Breather line

White
Check seated securely
Press together at front to release

2 - Seal

Replace if damaged

3 - Breather line

Black
Check seated securely

4 - Junction piece

5 - Connector

Black, 3-pin

6 - Vacuum line

7 - Leak Detection Pump (LDP) V144 ^/

In rear right wheel housing, behind wheel housing liner
Valve will be activated by engine control module (pulsed)
Checking resistance → Leak Detection Pump (LDP) V144 , checking

8 - Connecting hose

Pressure side

9 - 3 Nm

10 - Air filter for LDP

11 - Connecting hose

Suction side

12 - Bracket

13 - 10 Nm

14 - EVAP canister

In rear right wheel housing, behind wheel housing liner