LEMON Manuals: Even more car manuals for everyone
Home >> Audi >> 2012 >> Q7 3.0 TDI >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Fuel Supply System - Engine Code(S): Bar, BHK, BHL, CJWB, CJWC, CJWE, CTWA, CTWB) >> 20 Fuel Supply >> Description And Operation >> Fuel Tank With Attachments Overview

Fuel Tank With Attachments Overview

WARNING: This page is about a different variant/trim than selected.
Fig 1: Identifying Fuel Tank With Attachments Overview
GWWA20-10231Courtesy of AUDI OF AMERICA, LLC
  1. Left Heat Shield
  2. Vent Line
    • From the EVAP canister to EVAP Canister Purge Regulator Valve 1 -N80-
    • Do not kink
    • To disconnect, press release button on connection piece
    • Clipped in on fuel tank
  3. Vacuum Line
    • Engine/Leak Detection Pump -V144-
    • Clipped in on fuel tank
  4. Fuel Line
    • To engine
    • To disconnect, press release button on connection piece
    • Clipped in on fuel tank
  5. Right Heat Shield
  6. Bolt
    • Tightening specification and sequence, refer to Fig 2
  7. Mounting Strap
    • Observe varying lengths
    • Pay attention to the installed position
  8. Nut
    • Tightening specification: 9 Nm
  9. Protective Plate
    • For fuel delivery connection
  10. Bolt
    • Tightening specification: 9 Nm
  11. Rubber Gasket
  12. Cover
    • Attached to the fuel tank insert with a fastening device
  13. Bolt
    • Tightening specification: 5 Nm
  14. Ground (GND) Connection
    • For discharging electrostatic charge
    • Installed position / check requirements, refer to Fig 4
    • Ensure connector fits securely at metal ring of fuel filler tube
  15. Bolt
    • Tightening specification: 9 Nm
  16. Overflow Hose
  17. Vent Line Bracket
    • Secured to longitudinal member
  18. Carrier Plate
  19. Bolt
    • Tightening specification and sequence, refer to Fig 2
  20. Fuel Tank
  21. Electrical Connectors
    • For electric fuel pump and fuel level sensor
    • Remain on fuel tank when it is removed
  22. Fuel Pump Control Module -J538-
  23. Bolt
    • Tightening specification: 3.5 Nm

Fuel Tank, Tightening Specifications and Sequence 

Fig 2: Fuel Tank, Tightening Sequence
GWWA20-10103Courtesy of AUDI OF AMERICA, LLC

-- Tighten bolts in three stages as follows:

FUEL TANK, TIGHTENING SPECIFICATIONS AND SEQUENCE

Stage Bolts Tightening Specifications
1 -9, 10, 11, 12- 33 Nm
2 -1, 4, 5, 8- 33 Nm
3 -2, 3, 6, 7- 33 Nm

Fuel Pump (FP) Control Module -J538-, Tightening Specifications and Location 

Fig 3: Fuel Pump (FP) Control Module -J538- And Fasteners (For Vehicles From 11.2006)
GWWA20-10326Courtesy of AUDI OF AMERICA, LLC

Installation Position of Ground (GND) Connection 

Fig 4: Installation Position of Ground (GND) Connection
GWWA20-10206Courtesy of AUDI OF AMERICA, LLC

-- Route Ground (GND) connection -2- as shown in illustration.

-- Engage GND wire on EVAP canister -arrow-.

-- Ensure connector of the GND connection fits securely at metal ring -1- of fuel filler tube.

WARNING:

Risk of explosion due to electrostatic charge.

  • After installing, check electrical connection on fuel filler neck metal ring to an empty spot on the body using an Ohm meter.
  • Specified value: Approximately 0 Ω.