With cold weather coming, automobiles tend to suffer, the most general scenario is to have troubles starting your Audi S4 early in the day with very low temperatures. Generally this is associated with problems recharging the battery of your Audi S4 . There are some reasons that can explain why your battery does not recharge effectively anymore, and in this article we will try to help you to fix this problem that can prevent you from using your motor vehicle. To achieve this, first we will explain how recharging your car battery functions, then the different problems of recharging a Audi S4, and finally how to recharge an empty car battery.
How does recharging the battery of a Audi S4 function?
Before we summarize the different complications of recharging the battery on a Audi S4 , we will explain to you how its recharging system operates so that you can discover the complications you are struggling with. A motor vehicle battery functions like a phone battery, it will store energy to start your Audi S4 , turn on your headlights, enjoy music, lower your power windows… Nevertheless all these actions will consume energy and it may possibly deplete the energy reserve that your battery can store. To handle this problem, the engineers have developed a element called the alternator , this element will use the energy generated by the engine unit of your Audi S4 to produce energy thanks to a copper coil and a magnet. This energy will recharge the battery of your motor vehicle . Nevertheless, keep in mind that this process can only work when your motor vehicle is running, using electrical elements of your motor vehicle when it is stopped will decrease the energy reserve of your motor vehicle. It is considered that a battery of a xxx has a life span of 3 to 5 years.
Problems recharging a Audi S4’s battery
We will now describe the different battery charging complications on a Audi S4 you might be victim of. If your battery is not recharging because there is actually a problem in your electrical installation, we will now see the different cases.
Battery charging problem on Audi S4: My battery is discharging even if I am recharging it with a specific charger
In this first case, it is quite possible that your alternator is dead , obviously, if you manage to recharge your battery with a charger and your Audi S4 to start, the problem certainly comes from your alternator which should not be able to produce any more current.
Battery charging problem on Audi S4: My motor vehicle shuts off and does not start even if I have charged the battery
If you have recharged your battery and you have managed to start your Audi S4 but it switches off while you are driving and then does not start, the problem with recharging the battery of your Audi S4 is that your battery no longer holds the charge .
Battery charging problem on Audi S4: My battery is discharged nevertheless it is new
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If you’ve just bought a battery and it discharges while you’re driving, the problem most probably comes from your alternator. It cannot originate from your battery, which is new and consequently holds the charge. The second possibility is that you have a ground somewhere in your electrical system.
How to fix the problem of battery charging on Audi S4?
We will now give you the solutions according to the problem you are struggling with. Here are the different complications and their solutions:
- Defective alternator: You can try with basic mechanics to check it with a pressure gauge to discover if it’s producing power. If it doesn’t, replacing it is the best solution, depending on your motor you will pay a few hundred euros. This repair is feasible in case your alternator is accessible.
- Battery that no longer holds the charge: In such a case, the purchase of a new battery is the only realistic solution. Indeed, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros depending on your engine.
- Ground in the electrical circuit: If you cannot start your Audi S4 but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a check by a motor vehicle electrician is in such a case required.
How to recharge an empty battery of a Audi S4
At last, to recharge the empty battery of a Audi S4 there are only few solutions, using a battery charger is the most efficient solution, you can locate some for 50 to 100 euros at vendors like Oscaro. In any other case you can use cables that will only provide the energy needed to begin.
If perhaps you have any additional questions about the Audi S4, do not hesitate to consult our Audi S4 category.
