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Home >> Audi >> 2009 >> Q7 4.2 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 15 (3.0L - Fuel Supply System - Engine Code(S): CATA & CNRB) >> 20 Fuel Supply >> Fuel Tank >> Fuel Tank With Attachments, Removing And Installing >> Fuel Tank, Removing And Installing, 6.0L (V12) Engine >> Installing

Fuel Tank, Removing And Installing, 6.0L (V12) Engine: Installing

WARNING: This page is about a different variant/trim than selected.
Fig 1: Fuel Tank, Tightening Specifications and Sequence
GWWA20-10103Courtesy of AUDI OF AMERICA, LLC

-- Position the fuel tank with mounting straps and support plate on the underbody using Engine/Gearbox JackVAG1383A and the Subframe SupportT10031.

-- Make sure the fuel tank is positioned so that the filler tube can be correctly guided into the opening of the body.

-- Fuel lines clipped on the fuel tank.

-- Tighten the bolts in the sequence described to secure the fuel tank to the vehicle underbody. Refer to Installing .

-- Mounting plate -9, 10, 11 and 12-.

-- Rear left and right tensioning band -1, 4, 5, 8-.

-- Front left and right tensioning band -2, 3, 6, 7-.

-- Tighten the bolts -2- and -3- on the fuel filler tube.

Fig 2: Installation position of Ground (GND) connection
GWWA20-10187Courtesy of AUDI OF AMERICA, LLC

-- Check if the ground (GND) wiring -1- and the contact show signs of oxidation. If necessary, remove.

WARNING:

Danger 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.

-- Tighten the bolts -arrows- on the fuel filler tube.

Fig 3: Identifying Fuel Filler Tube Tightened In Place -Arrows-
GWWA20-10155Courtesy of AUDI OF AMERICA, LLC

Install in reverse order of removal. Note the following:

-- Install the fuel filler door insert, refer to Hood, Lids .

-- Install the rear axle, refer to [For engine(s) BAR, CTWB, BHK, CATA, CNRB, CTWA, CJWE, CJWC, CJWB] Rear Suspension .

-- Tighten the left and right floor panel trim in the center, refer to Exterior Equipment .

-- Install the right rear wheel housing liner, refer to Exterior Equipment .

-- On a vehicle with air suspension, deactivate vehicle lift mode, refer to [For engine(s) BAR, CTWB, BHK, CATA, CNRB, CTWA, CJWE, CJWC, CJWB] Self-Leveling Suspension .

-- Install the locking flange covers Figure.

-- Install the left single seat and the left 2/3 seat bench seat cushion in the second row of seats, refer to Seat Frames .

-- Install the right rear single seat in the second row of seats, refer to Seat Frames .

-- Vehicles with parking heater: Bleed the fuel supply line to the metering pump, refer to FUEL SUPPLY LINE TO METERING PUMP, BLEEDING, VEHICLES WITH PARKING HEATER .