S6 V8-4.2L (BBD) (2004)
Leak Detection Pump: Vacuum and Vapor Hose Diagrams
Hose Plan, EVAP Canister System / Leak Detection System
1
Throttle valve control module -J338-
2
Evaporative Emission (EVAP) canister purge regulator valve -N80-
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Component location: Front right in engine compartment
3
Vent line
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From EVAP canister to Evaporative Emission (EVAP) Canister Purge Regulator Valve -N80-
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Installation position: Right side, beneath vehicle floor
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secured to fuel tank in fuel tank area
4
Vent line
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to gravity valve on fuel tank
5
EVAP canister
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Component location: Bottom of spare wheel well
6
Connection hose
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Leak Detection Pump (LDP)/EVAP canister
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Pressure side
7
Air filter
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for Leak Detection Pump (LDP) -V144-
8
Leak Detection Pump (LDP) -V144-
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Component location: Under wheel housing liner in rear left wheelhouse
9
Vacuum line
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to Leak Detection Pump (LDP) -V144-