Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSVOLKSWAGEN2010GOLF (5K1) L5-2.5L (CBTA)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEVAPORATIVE EMISSIONS SYSTEMSERVICE AND REPAIREVAP SYSTEM SCHEMATIC OVERVIEWVIEW 2
2010 Volkswagen Golf (5K1) L5-2.5L (CBTA)
View 2
2010 Volkswagen Golf (5K1) L5-2.5L (CBTA)SECTION View 2
EVAP System Schematic Overview
1 Leak Detection Pump (V144)
• Installed location: Under the liner in the right rear wheel housing.
• Checking, refer to the vehicle diagnostic tester.
• Removing and installing, refer to => [ EVAP Canister ] Service and Repair.
2 Connecting Line
• From the leak detection pump to the Evaporative Emission (EVAP) canister.
• Attached to the bracket.
3 Evaporative Emission (EVAP) Canister
• Installed location: On the bottom of the spare tire wheel well.
• Vehicles with engine code CBUA have an additional filter - item 1 - in the => [ EVAP System Component Overview ] EVAP System Component Overview installed.
• Removing and installing, refer to => [ EVAP Canister ] Service and Repair.
4 Separating Point
• On the back of the fuel tank, on the right side.
5 Throttle Valve Control Module (J338)
6 EVAP Canister Purge Regulator Valve 1 (N80)
• Checking, refer to the vehicle diagnostic tester.
7 Vacuum Line
• Connected to the intake manifold.
8 Separating Point
• In the front of the engine compartment on the right side, under the coolant expansion tank.
9 Vent Line
• White
• From the EVAP canister to the EVAP canister purge regulator valve 1.
• Installed position: On the right side of the underbody.
• Attached to the fuel tank.
10 Vacuum Line
• Green
• From the engine to the leak detection pump.
• Installed position: On the right side of the underbody.
• Attached to the fuel tank.
11 Separating Point
• In front of the fuel tank on the right side, near the fuel filter.
12 Filler Tube
13 Vent Line
• From the filler tube to the EVAP canister.
14 Air Filter
• For the leak detection pump.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.