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Audi A4 2004 1.8T s-line losing battery all battery power every 3 months or so?

Tiny
ANDYBEE
  • MEMBER
  • 2004 AUDI A4
  • 65,000 MILES
I bought a new battery after my Audi A4 wouldn't start. My friend who is a mechanic fitted the battery for me. After 3 months, I woke up to go to work and the battery was dead. The next day after a couple of jump starts with jump leads my car starts first time and has done for the last 3 months. Yesterday it did the same, wouldn't start! Today, started first time and not had a problem again? Anyone have a clue? Could it be a short circuit? If so where?
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Wednesday, April 4th, 2012 AT 10:07 PM

3 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
The first thing I would do is have the alternator tested. Then the battery tested also have a parastic draw test done if the first two reveal nothing.
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Wednesday, April 4th, 2012 AT 10:20 PM
Tiny
ANDYBEE
  • MEMBER
  • 2 POSTS
Already had both battery and alternator checked. Both working fine!
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Thursday, April 5th, 2012 AT 10:09 AM
Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
Alright then if the battery keeps going dead with the car off you need to have a parstic draw test performed. This will check for excessive draw and they can find the draw with this test.
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Thursday, April 5th, 2012 AT 4:24 PM

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