Q: Something is draining the new battery

asked by on

My dad replaced the alternator then battery in my car, We hooked the car up to a battery charger again, for a couple of days. When I got in the car, initially it drove fine, then, same day, it hesitated to start, but started. Next day It drove for about a block, then would barely accelerate, then died. I had it jumped repeatedly, but car would barely go forward, then it would die. Had it towed home, back on charger. Starting so far, but afraid to drive anywhere. We cant seem to pinpoint why the car wont hold a charge.

My car has 146600 miles.
My car has an automatic transmission.

Hi there, thanks for writing in. Once the car’s engine starts, the job of the battery is finished as the alternator takes over the responsibility of powering all components and accessories on the vehicle. In some cases, a new alternator install will forget to replace charging connections to the battery which may cause it to drain quicker than it should. However, you’re also describing issues about having difficulty moving forward; then stalling - which may be an issue with the alternator. To fix this issue, it would be a good idea to contact one of our local mechanics that can inspect the alternator and charging system for any items that may have been missed with the initial alternator replacement.

Was this answer helpful?

Need advice from certified mechanic? Get help now!

Over 1,000 mechanics are ready to answer your question.
The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
  1. Home
  2. Questions
  3. Something is draining the new battery

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing

Get a quote

What others are asking

Q: Buying a high mileage car and I am on a tight budget.

Hi there. When it comes to buying a pre owned vehicle, you will want to check the vehicle out for the condition it is in. Check all of the suspension, steering, brakes, running condition, and the tires. If the engine...

Q: Car sounds like belt is loose

It may be possible that the belt that was installed was an incorrect size for the vehicle. I would have your vehicle tested to see if the belt on the vehicle is the correct one or if the noise is...

Q: 2012 Nissan Altima rpm after an hour stays below 2500, already put new maf sensor what else could be the problem?

Hello. It sounds like a loss of power. I would scan the computer for codes to see if something comes up and then I would monitor the sensor reading to know for sure if everything is reading right. If all...

Related articles

What Causes Hoses to Leak?
While the largest part of your engine is mechanical, hydraulics plays a significant role. You’ll find fluids at work in a number of different areas. Your car's fluids include: Engine oil Transmission...
How to Avoid Back Pain in a Car
If you have back problems, sitting in a car for an extended period of time can be excruciating. Even without back problems, you could experience discomfort and soreness from...
P2428 OBD-II Trouble Code: Exhaust Gas Temperature Too High Bank 1
P2428 code definition A P2428 trouble code signifies that the PCM has detected a problem in the exhaust gas temperature sensor circuit in bank 1, which subsequently contains the number one...