With winter weather coming, automobiles tend to suffer, the most general case is to have difficulties starting your Audi Q7 early in the day with very low temperatures. In general this is associated with problems recharging the battery of your Audi Q7 . 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 issue that can prevent you from using your car. To achieve this, first we will explain how recharging your car battery functions, then the different problems of recharging a Audi Q7, and finally how to recharge an empty car battery.
How does recharging the battery of a Audi Q7 function?
Before we summarize the different problems of recharging the battery on a Audi Q7 , we will explain to you how its recharging system operates so that you can discover the problems you are facing. A car battery functions like a phone battery, it will store energy to start your Audi Q7 , turn on your headlights, listen to music, lower your power windows… However all these actions will consume energy and it may possibly deplete the energy reserve that your battery can store. To overcome this issue, the engineers have developed a element called the alternator , this element will use the energy created by the engine unit of your Audi Q7 to create energy thanks to a copper coil and a magnet. This energy will recharge the battery of your car . However, take into account that this process can only work when your car is running, using electrical elements of your car when it is stopped will drain the energy reserve of your car. It is considered that a battery of a xxx has a life span of 3 to 5 years.
Problems recharging a Audi Q7’s battery
We will now describe the different battery charging problems on a Audi Q7 you might be victim of. If your battery is not recharging because there is actually a issue in your electrical set up, we will now see the different cases.
Battery charging problem on Audi Q7: My battery is discharging regardless if I am recharging it with a specific charger
In this first circumstance, it is quite possible that your alternator is dead , indeed, if you control to recharge your battery with a charger and your Audi Q7 to start, the problem most certainly comes from your alternator which should not be able to create any more current.
Battery charging issue on Audi Q7: My car shuts off and does not start regardless if I have charged the battery
If you have recharged your battery and you have managed to start your Audi Q7 but it switches off although you are driving and then does not start, the problem with recharging the battery of your Audi Q7 is that your battery no longer holds the charge .
Battery charging issue on Audi Q7: My battery is discharged although it is new
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If you’ve just bought a battery and it discharges although you’re driving, the issue most probably comes from your alternator. It cannot originate from your battery, which is new and consequently holds the charge. The second opportunity is that you have a ground somewhere in your electrical system.
How to fix the issue of battery charging on Audi Q7?
We will now give you the solutions according to the issue you are facing. Here are the different problems and their solutions:
- Faulty alternator: You can try with simple 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 fix is feasible in the event your alternator is accessible.
- Battery that no longer holds the charge: In this 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 Q7 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 car electrician is in such a case necessary.
How to recharge an empty battery of a Audi Q7
Finally, to recharge the empty battery of a Audi Q7 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. Otherwise you can use cables that will only provide the energy needed to start.
Whenever you have any additional questions about the Audi Q7, do not hesitate to consult our Audi Q7 category.
