Where is the fuel pump relay located on an Audi A4?

Re: Where is the fuel pump relay located on an audi a4… Behind left side of dash in 9 pin relay carrier.Relay #1 . There are 2 rows, top row 789, under that bottom row 123456. Sorry wrong year.Under left side dash main reay center 6 pin carrier.

Where is the fuel pump located on a quattro?

On Quattro equipped vehicles, the fuel pump is located underneath the rear seat. The rear seat cushion is held in with two clips in the front of the seat on either side of the cushion. You have to pull up on the front side of the seat to unseat the clips from the body.

How do you remove a fuel pump from an Audi?

There are tabs alongside the outside of the fuel pump that lock the pump in place with the fuel tank basket. The fuel pump needs to be rotated counter-clockwise (to the left) to unlock it from the fuel tank basket. Audi makes a special fuel pump removal tool but the fuel pump can be carefully removed without the help of this tool.

Where to install a high output fuel pump?

This job should also be performed in a well ventilated area and away from any source of open flames. The 034 High-Output Fuel pump kit comes with the pump, a new rubber fuel line, new electrical connections, hose clamps and other associated hadware needed for the install.

What are the symptoms of a bad fuel pump in an Audi A4?

Here are the most common symptoms of a bad fuel pump in your Audi A4: One of the most common signs that a fuel pump is going bad is a whining sound. The whining sound can indicate that the fuel pump is going out before there are any performance based issues.