Evap Canister And Leak Detection System; Overview - Evap System - Audi Q7 2007 Repair Manual

4 EVAP Canister and Leak Detection
System
⇒ "4.1 Overview - EVAP System", page 61
⇒ "4.2 EVAP Canister, Removing and Installing", page 62
⇒ "4.3 EVAP Canister and Leak Detection System Hose Routing",
page 63
⇒ "4.4 Leak Detection System", page 63
⇒ "4.5 Leak Detection Test, Performing", page 64
⇒ "4.6 Leak Detection Pump V144 , Removing and Installing",
page 66
4.1

Overview - EVAP System

1 - Vent Line
❑ To the EVAP Canister
Purge Regulator Valve
1 - N80- .
2 - Vent Line
❑ To the fuel tank.
3 - Vacuum Line
❑ Diagnostic pump/en‐
gine.
4 - Bolt
❑ 1.2 Nm
5 - Seal
6 - Leak Detection Pump -
V144-
❑ Component location:
under the wheel hous‐
ing liner inside right rear
wheel housing.
❑ Checking in
Guided
-Vehicle Di‐
Functions
agnostic Tester- .
❑ Removing and instal‐
ling. Refer to
⇒ "4.6 Leak Detection
Pump V144 , Removing
and Installing",
page 66 .
7 - Connecting Hose
❑ Leak diagnosis pump/
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air filter.
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8 - EVAP Canister
❑ Component location:
under the wheel hous‐
ing liner inside right rear wheel housing.
9 - Rubber Grommet
10 - Bushing
11 - Bolt
❑ 9 Nm
Audi Q7 2007 ➤
Fuel Supply System - Edition 10.2018

4. EVAP Canister and Leak Detection System

61