With winter coming, cars tend to suffer, the most general situation is to have difficulties starting your Volkswagen Passat 7 in the morning with very low temperatures. Generally speaking this is related to problems recharging the battery of your Volkswagen Passat 7 . There are some factors that can describe why your battery does not recharge effectively anymore, and today we will try to help you to fix this issue that can prevent you from using your car. To achieve this, first we will describe how recharging your car battery works, then the different problems of recharging a Volkswagen Passat 7, and at last how to recharge an empty car battery.
How does recharging the battery of a Volkswagen Passat 7 function?
Before we detail the different problems of recharging the battery on a Volkswagen Passat 7 , we will describe to you how its recharging system functions so that you can discover the problems you are facing. A car battery works like a phone battery, it will store energy to start your Volkswagen Passat 7 , turn on your headlights, play music, lower your power windows… Nevertheless all these actions will consume energy and it might deplete the energy reserve that your battery can store. To handle this issue, the engineers have produced a element called the alternator , this element will use the energy generated by the engine of your Volkswagen Passat 7 to produce energy thanks to a copper coil and a magnet. This energy will recharge the battery of your car . Nevertheless, bear in mind that this process can just work when your car is running, using electrical components of your car when it is stopped will decrease 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 Volkswagen Passat 7’s battery
We will now describe the different battery charging problems on a Volkswagen Passat 7 you might be victim of. If your battery is not recharging because there is necessarily a issue in your electrical set up, we will now see the different situations.
Battery charging problem on Volkswagen Passat 7: My battery is discharging regardless if I am recharging it with a particular charger
In this first circumstance, it is quite possible that your alternator is dead , in truth, if you manage to recharge your battery with a charger and your Volkswagen Passat 7 to start, the problem most certainly comes from your alternator which should not be able to produce any more current.
Battery charging issue on Volkswagen Passat 7: My car shuts off and does not start regardless if I have charged the battery
If you have recharged your battery and you have been able to start your Volkswagen Passat 7 but it switches off although you are driving and then does not start, the trouble with recharging the battery of your Volkswagen Passat 7 is that your battery no longer holds the charge .
Battery charging issue on Volkswagen Passat 7: 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 come from your battery, which is new and therefore holds the charge. The second possibility is that you have a ground somewhere in your electrical system.
How to fix the issue of battery charging on Volkswagen Passat 7?
We will now give you the solutions according to the issue you are facing. Here are the different problems and their solutions:
- Defective alternator: You can try with basic mechanics to verify it with a pressure gauge to see if it’s producing power. If it doesn’t, replacing it is the best remedy, 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 just realistic remedy. In actual fact, if you have already recharged it but it is still empty because it is good to be changed, count between 60 and 100 euros depending on your engine.
- Ground in the electrical circuit: If you cannot start your Volkswagen Passat 7 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 verify by a car electrician is in such a case required.
How to recharge an empty battery of a Volkswagen Passat 7
At last, to recharge the empty battery of a Volkswagen Passat 7 there are just few solutions, using a battery charger is the most efficient remedy, you can discover some for 50 to 100 euros at vendors like Oscaro. Otherwise you can use cables that will just provide the energy needed to start.
To get more tips on the Volkswagen Passat 7, take a look at the Volkswagen Passat 7 category.
