This manual concerns about the step for removing and installing the fuel pump for 2004 Audi A4 L4-1.8L Turbo (AMB) vehicle.
Removing And Installing Fuel Pump
CAUTION: To remove the Fuel Pump (FP), the fuel tank may only be filled to a maximum of 3/4. Empty fuel tank if necessary.
Empty fuel tank
Observe safety precautions.
Observe rules for cleanliness.
CAUTION: Observe safety precautions when disconnecting the battery.
Disconnect battery Ground (GND) strap with the ignition switched off.
CAUTION: Secure Ground (GND) wire of VAS5190 to a blank portion of the chassis.
Pull cone piece -2- from shaft piece -1- of VAS 5190.
Using insulating tape, apply a mark -arrow- on hose at length a = 1465 mm from end of suction hose.
Remove fuel filler cap from fuel filler tube.
Screw shaft piece -1- of VAS 5190 fuel siphoning device on to fuel filler tube of fuel tank.
Now slide suction hose as far into fuel tank until the mark applied earlier -arrow- stands on shaft piece.
NOTE: If using a siphoning device without shaft piece, proceed principally in the same manner.

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