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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSVOLKSWAGEN1999GTI (1J1) V6-2.8L (AFP)REPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEVAPORATIVE EMISSIONS SYSTEMLEAK DETECTION PUMPSERVICE AND REPAIR
1999 Volkswagen GTI (1J1) V6-2.8L (AFP)
Leak Detection Pump: Service and Repair
1999 Volkswagen GTI (1J1) V6-2.8L (AFP)SECTION Service and Repair
Evaporative Emissions System Components, Repairing
1 - O-Ring
- Replace if damaged
2 - Vent line
- Black
- Make sure tight fit
- From the switch valve on the fuel tank, item -10-
- Press release tabs on the connecting piece to remove from flange
3 - Vent line
- White
- Make sure tight fit
- From the pressure retention valve on the fuel tank, item -12-
- Press release tabs on the connecting piece to remove from flange
4 - Retaining screw
5 - Discharge hose
- Make sure tight fit
6 - Connector
- Black, 3-way
7 - Vacuum line
- To upper intake manifold, item -4-
8 - Leak detection pump (V144)
- Checking
9 - Air filter for leak detection pump
10 - Intake hose
- Make sure tight fit tight fit
11 - Mounting plate
- Clipped onto the charcoal canister
12 - 10 Nm
13 - Activated charcoal canister
- In the rear right wheel housing underneath the liner
- Fastened to the body
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.