Last replacement for my 2003 996 i went to an endurance braille grp 48 agm.
Car battery venting steam.
I would buy an agm gel or a sealed no maintenance battery before i would replace with a vented battery.
The old battery did not have a vent tube connection the new battery came with some vent tube accessories a 90 degree elbow and a flat plug.
The steam smelled really acrid like battery acid.
If it s not a maintenance free battery and therefore has some spots on top where you can open the battery there ll be six holes when the plugs are removed it s necessary to check the battery s specific gravity as a periodic service and ensure that all cells are maintained full of distilled.
The main reason for a car to emit steam is normally that is has overheated causing water or other fluids to become too hot.
However if the charge amperage exceeds 33 of the total amp hours of the battery then excess pressure will cause the battery to hiss vent out steam and undergo outgassing.
Bill allen owner of mechanics plus in casselberry florida says that air flows through a heater core and an evaporator core before exiting the vents.
But your battery can serve other purposes beyond starting the car.
Contrary to popular belief the battery doesn t provide power for the car s electrical systems while the car is running.
If you re worried autozone offers free battery testing and charging service to check out your current battery.
When it s time for a replacement we ve got the right battery to get you back on the road.
An overheating battery can present an extremely hazardous situation for anyone near the vehicle as well as the vehicle itself.
Specifically the battery feeds the starter which then activates the engine.
So i just replaced the battery in my parent s 2010 chevy malibu.
Attached to the car battery is.
All electrical items work in the car.
The water lost during such an event cannot be replaced on a sealed battery and your battery is being irreversibly damaged.
If there s a smell to the steam or if it s actually smoke you have a larger problem on your hands.
I started the car and it starts fine.
I got back in the car and checked the voltmeter and it was rock steady just under 13.
If your battery is 4 years old or older your car or truck battery is at risk.
The alternator does that.
Car steam usually is not a good sign.
I opened the hood and there i could see that the battery was venting steam.
The battery has been allowed to run low on water.
If an alternator s voltage regulator is beginning to fail or has failed the alternator can begin to send too much voltage back to the battery which in turn causes the battery to overheat.
After fighting rust in the battery boxes on my 1970s and 1972t.
If there s a small pinhole which is a small leak typically caused by corrosion in the heater core drivers may have steam coming.
