Fuel Tank and Components Assembly Overview
Fuel Tank and Components Assembly Overview
CAUTION!
During all repair procedures on the fuel tank, be aware of the following:
• Route all the various lines (e.g. for fuel, Evaporative Emission (EVAP) system, or vacuum) and electrical wiring so that the original routing positions are restored.
• Make sure that the ground (-) strap between the fuel filler tube and body is securely fastened, to prevent electrostatic charging.
• Ensure sufficient clearance to all moving or hot components.
1 Fuel filler tube
• With connection for ground strap to body.
• Ensure seated tightly.
2 To EVAP canister
3 Fuel tank
• Support using engine and transmission jack (VAG 1383 A) when removing.
• Removing and installing, refer to --> [ Fuel Tank ] Fuel Tank.
• Draining, refer to --> [ Fuel Tank, Draining ] Fuel Tank, Draining.
4 Fuel filter
• Fuel filter assembly overview, refer to --> [ Fuel Filter Assembly Overview ] Fuel Filter Assembly Overview.
• Always replace flange seal
• Replacing, refer to --> [ Fuel Filter ] Fuel Filter.
5 Locking ring, 110 Nm
• Use wrench (T10202) for removal and installation.
• Ensure seated tightly.
6 Suction jet pump
• Clipped into bottom of tank.
• Removing and installing, refer to --> [ Fuel Level Sensor and Suction Jet Pumps ] Fuel Level Sensor and Suction Jet Pumps.
7 Fuel level sensor 2 (G169)
• Left side
• Flat, rectangular float.
• Clipped into bottom of tank.
• Removing and installing, refer to --> [ Fuel Level Sensor and Suction Jet Pumps ] Fuel Level Sensor and Suction Jet Pumps.
8 Suction jet pump
• Clipped into bottom of tank.
• Removing and installing, refer to --> [ Fuel Level Sensor and Suction Jet Pumps ] Fuel Level Sensor and Suction Jet Pumps.
9 Protective cover
• For bottom of fuel tank.
10 Strap
• Note installation position.
• Ensure seated tightly.
11 20 Nm + 1/4 turn (90°)
12 Protective cover
• For top of fuel tank.
13 Fuel delivery unit
• Removing and installing, refer to --> [ Fuel Delivery Unit and Fuel Level Sensor ] Fuel Delivery Unit and Fuel Level Sensor.
• Checking the fuel pump:
Vehicles with a one piece intake manifold, refer to --> [ Fuel Pump Checking, with One Piece Intake Manifold ] Fuel Pump Checking, with One Piece Intake Manifold.
Vehicles with a two piece intake manifold, refer to --> [ Fuel Pump Checking, with Two Piece Intake Manifold ] Fuel Pump Checking, with Two Piece Intake Manifold.
14 Fuel gauge sender (G)
• Right side.
• Round, spherical float.
• Clipped into bottom of tank.
• Removing and installing, refer to --> [ Fuel Delivery Unit and Fuel Level Sensor ] Fuel Delivery Unit and Fuel Level Sensor.
15 Flange
• Right side.
• Always replace flange seal.
• With pressure relief valve.
• Individual components --> [ Individual Components of Flange, Right Side ]
• Note installation position on fuel tank, refer to --> [ Location of Flange on Fuel Tank ]
16 Vent line
• Ensure seated tightly.
17 Expansion tank
18 Gravity valve
19 To pressure retaining valve
Individual Components of Flange, Right Side
1 Fuel pump connector
2 Ground wire
3 Fuel level sensor (G) connector
4 Pressure relief valve
5 Return pipe
6 Separation point for fuel supply line from fuel filter to flange
Location of Flange on Fuel Tank
- Insert flange with marking - arrow - in direction of travel.