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Audi S4 Common Problems and Solutions

Electric window problems

Problem:

If you find that the windows are going to go up, then you most likely have a problem with the window regulator.

Models affected:

Solution:

You can attempt to fix the window regulator. If you want to give this a try, watch the video below. If this does not work, you will need to fit a replacement window regulator, so as to sort it out.

Difficulty level

3

Air conditioning problem

Problem:

If you have begun to notice that the air conditioning is not working as it should, the S4 is known for having problems with the A/C condenser. If the A/C is not blowing out ice cold air, then you may have an issue with the condenser.

Models affected:

Solution:

You will need to fit a replacement A/C condenser, in order to fix the problem.

Difficulty level

4

Headlight condensation

Problem:

If you have noticed that water has condensed on the headlights, this is a known issue on the S4. This problem seems to be more of an issue on cold mornings.

Models affected:

Solution:

There are three options for you here: Either you can leave the condensed headlights, you can drill holes at the bottom of the headlight covers, in order to allow the water to drain out, or you will need to purchase replacement headlights.

Difficulty level

3

Starter motor failure

Problem:

It is known on the S4, to have issues with poor starter motors. If you have a faulty starter motor, then you will notice that there is nothing happening at all, when you try to start the car.

Models affected:

Solution:

Fitting a replacement starter motor will sort the problem.

Difficulty level

2

Part you need

Starter Motor

Part required

Starter Motor

Get a quote for Starter Motor

Coil pack failure

Problem:

These cars are known for having coil pack failures. If this is the case, you would notice the engine idling very roughly and that it could also be misfiring. The coil pack failure is common on several different Audis.

Models affected:

Solution:

You will need to fit a replacement coil pack, in order to resolve the issue. There was a revised coil pack made, which lasts longer than the original coil.

Difficulty level

2

Part you need

Coil Pack

Part required

Coil Pack

Get a quote for Coil Pack

Reading these common Audi S4 problems should help you find out what is wrong with your Audi S4 – or just what to look out for in the future. We’ll also give suggestions on what to do if your Audi S4 does have one of these issues.