Is it another bad alternator , do i need a new battery? do i just need to drive it for a few days to re charge the battery? Why is the low battery light stay on right after i start my car until i touch the gas pedal?
I just changed the alternator on m y 99' jetta and now the low battery light is on until i touch my gas pedal?
Have your belt re tensioned. the tensioner is old and when they removed the radiator they took the belt loose. Re tension it you will be fine
I just changed the alternator on m y 99' jetta and now the low battery light is on until i touch my gas pedal?
Check the engine speed . It might be running so slow that the alternator is not charging at the present idle speed. You might need to adjust the cable between the pedal and the carburetor.
you might need to change the wiring behind the alternator i had the same problem and it may take a day or two for the car to react to the new part so give it or day or so if not then change the wire behind the alternator
It could be that the belt is too loose on your alternator. Make sure it is tight.
It could be the pulley is bigger, doubtful, or the belt is slipping, doubtful, or it's just idling too slow. That would be my bet.
This will get better as the battery charges up.
Your idle speed may be a little slow.
Some higher output alternators need more rpm to start them.
They usually charge well at lower rpms after they are %26quot;started.%26quot;
This is normal.
check your alternator belt
the first thing I would check is the belt. make shure it was tightened. This is what it sounds like to me.
Tell your mechanic that if it doesn't stop doing that in a few days you would like him to replace it again, preferably at no cost to you.
Most parts suppliers will replace the defective part and pay your mecanic a %26quot;labor claim%26quot; to cover his time.
check the voltage at the battery with car running it should be more than 12 volts if not the alt connections should be checked if they appear good the alt is bad also check belt tension. when you give it gas it speeds up alt which makes it charge more could be loose belt or alt.
This is a normal thing for VW`s as they get older , don`t worry about it . Just start the car and give the motor a rev after a few seconds. As we age we all need a little extra push to get us going at first.
Does the new alternator have a larger pulley? If it does then that could be the problem.
Check for a voltage drop in the B+ cable.
The cable that runs from your fuse box on the battery to the alternator. I've seen that problem before when I worked at the dealer.
Make sure your belt is properly tightened. Also, put your battery on a charger over night. Once you have done that if the issue still persists you may need a new battery. The light is saying that your battery is not fully charged, which is normal after starting a car, but normally the light would should go out quickly. Since it is, you likely only need to get the battery back to a full charge. As long as it is not to old and was not run down over and over again, that should be easy. If it does'nt solve the issue try a new battery.
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