2008 Hyundai Tiburon battery continuosly being drained

Tiny
LAJAMARU
  • MEMBER
  • 2008 HYUNDAI TIBURON
  • 4,000 MILES
I drive this car on average of 20 miles per week - sometimes more. I currently have a sears diehard 8 yr battery that is just over 3 years old. I have had the car in to the dealer twice (it is still under warranty). They checked the alternator and starter and said they are ok and that the car draws.02 amps when off. If the car is not used in 2 days the battery is drained but if I charge it the car will start. Last week I drove the car 3 times for a total of approx 60 miles and after sitting for 2 days the battery was drained. I would like to know if there is something that could be sucking the battery dry. The dealers answer both times has been "That I do not drive the car enough". I have had other cars and they have sat for way longer periods of time and never had this problem. The car was new when I purchased it in 2009 but was driven to the dealer from another state and I wonder if that may have caused a problem also as I have no way of knowing how the car was driven or handled.
Wednesday, October 9th, 2013 AT 6:04 PM

6 Replies

Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
.02 amp draw is minor. Anything over. 04amps and then you would have whats called a parasitic draw. Has anyone loadtested the battery? To me, it sounds like the battery is junk, and has been overlooked.
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Wednesday, October 9th, 2013 AT 7:55 PM
Tiny
LAJAMARU
  • MEMBER
  • 4 POSTS
What do you mean by loadtest the battery. I thought searss diehard was a good battery. I don, t understand why they keep telling me I don, t drive it enough. I did the test for a parasitic draw like I saw online and the light meter did light up. Is there anything else I can do to check? I get the feeling the dealer does not want to bother to look further
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Wednesday, October 9th, 2013 AT 8:21 PM
Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
You will need a battery tester to load test your battery. Diehard batterys are not my favorite. Bring your battery to your local parts store, and have it load tested. As far as checking for a draw, what did you read? You will need to have a jumper wire from the battery pos cable to the positive post, then you disconnect the battery cable with your meter inline (on the pos terminal, and other end on cable) then disconnect the jumper cable. Your checking for amps. If u use a test light, it will light up every time. Before I confuse you here, get the battery load tested. Verify its good before checking for a draw.
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Wednesday, October 9th, 2013 AT 8:32 PM
Tiny
LAJAMARU
  • MEMBER
  • 4 POSTS
Does thus have to do with cca of the battery?
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Wednesday, October 9th, 2013 AT 9:03 PM
Tiny
LAJAMARU
  • MEMBER
  • 4 POSTS
If the battery is not the problem do you have any other ideas what could be draining the battery?
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Thursday, October 10th, 2013 AT 7:28 AM
Tiny
MADMIKE1735
  • MECHANIC
  • 951 POSTS
I have no idea whats draining your battery. Thats why you will need to hook up a DMM, and check for a draw as I described. Have you gotten this battery tested yet? I cant really help you until we have somewhere to start.
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Saturday, October 12th, 2013 AT 2:58 PM

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