Fuel Pump Control Module -J538-, Removing And Installing: Removing

WARNING: This page is about a different car, the 2015 Audi A7 Quattro and 2014 Audi A7 Quattro. However, it is still accessible from the selected car via links, so may be relevant.

-- Follow all safety precautions, refer to SAFETY PRECAUTIONS .

-- Follow the guidelines for clean working conditions, refer to CLEAN WORKING CONDITIONS .

CAUTION:

Risk of damaging electronic components when disconnecting the battery.

Complete the steps for disconnecting the battery.

-- Disconnect the Ground (GND) cable from the battery terminal, refer to BATTERY, DISCONNECTING AND CONNECTING .

WARNING:

Risk of accident due to the weight of the fuel tank.

The fuel tank must be empty when it is lowered.

-- Drain the fuel tank, refer to FUEL TANK, DRAINING .

-- Remove the right rear wheel housing liner, refer to REAR WHEEL HOUSING LINER, REMOVING AND INSTALLING .

Vehicles without a Selective Catalytic Reduction (SCR) System

Fig 1: Identifying Bolts

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-- Remove fuel filler tube bolts -1 and 2-.

Vehicles with a SCR System

Fig 2: Reducing Agent Filler Tube for Vehicles with SCR (Selective Catalytic Reduction) System - Tightening Specification

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-- Depending on the vehicle equipment, remove the bolts -2- for the reducing agent tank filler neck.

-- Remove the bolts -1 and 3- for the fuel filler tube.

Continuation for All Vehicles

Fig 3: Identifying Fuel Tank Bolts

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WARNING:

Risk of accident due to the weight of the fuel tank.

The fuel tank must be empty when it is lowered.

-- Remove the bolts -1 through 6-.

NOTE:

The fuel tank lowers onto the subframe.

The fuel tank is shown without the subframe to provide a more clear illustration.

-- Remove the rear bench seat, refer to SEAT BENCH/SINGLE SEAT, REMOVING AND INSTALLING .

Fig 4: Identifying Cover Bolts For Locking Flange

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-- Fold the insulation mat near the locking flange cover to the side.

-- Remove the bolts -arrows- and the locking flange cover.

-- Remove the bolts -1 and 2-.

Fig 5: Locating Bolts

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-- Remove the Fuel Pump Control Module -J538- toward the inside between the fuel tank and the underbody -arrow-.

-- Disconnect the connector -arrow- and remove the Fuel Pump Control Module -J538-.

Fig 6: Installation location Fuel Pump (FP) Control Module -J538-

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