Procedures
Fuel Tank with Attachments Assembly Overview
1 Cap
2 Seal
• Replace if damaged
3 1 Nm
4 Fuel filler door unit
• With rubber gasket
5 Ground connection
• Ensure seated tightly
6 O-ring
• Replace
7 Breather valve
• To remove valve unclip sideways out of support
• Before installing, unscrew cap
• Checking => [ Checking Breather Valve ]
8 6 Nm
9 Protective cover
• Note installation position
10 Vent line
• Ensure seated tightly
11 Lock washer
12 Heat shield
13 Cover for fuel tank
• The rear cover is no longer on the Cabrio
14 20 Nm + 90° (1/4 turn) additional turn
• Replace
15 Securing strap
• Observe varying lengths
16 Fuel tank
• Support using engine/transmission jack (V.A.G 1383 A) when removing
• Removing and installing => [ Fuel Tank ] Removal and Replacement.
17 Seal
• Replace
• To install, place into opening of fuel tank dry
• Only coat inner part with fuel when installing fuel delivery unit.
18 Fuel delivery unit
• Note installation position on fuel tank => [ Installed Location of the Fuel Gauge Sender ]
• Removing and installing => [ Fuel Delivery Unit ] .
• Fuel gauge sender, checking => [ Fuel Level Sensor, Checking ] .
• Fuel pump, checking => [ Tandem Pump, Checking ] Tandem Pump, Checking.
19 Union nut, 75 Nm
• Use ring nut wrench ( 3217) for removal and installation
20 Supply line
• To fuel filter => [ (Item 2) Supply line ]
• Clipped in at fuel tank
• Ensure seated tightly
• Black
• To release the line on the fuel delivery unit, compress the circlip
21 Return line
• Blue
• From the fuel cooler => [ (Item 6) Return line ] Service and Repair or from the fuel filter => [ (Item 1) Return line ]
• Clipped in at fuel tank
• Ensure seated tightly
• To release the line on the fuel delivery unit, compress the circlip
22 Spacer
23 Gravity valve
• To remove valve unclip upward out of support
• Test valve for through-flow
Valve vertical: open Valve angled at 45 degrees: Closed
24 10 Nm
Installed Location of the Fuel Gauge Sender
Marking on flange must align with marking on fuel tank - arrows -.
• After installation, check fuel delivery unit to make sure the fuel supply line - 2 - and the fuel return line - 1 - are still clipped onto fuel tank.
Checking Breather Valve
Lever in rest position: Closed
Lever pushed in direction of arrow: Open
• Before installing bleeder valve, unscrew cap from fuel tank.