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1997 Saturn SL2 battery problems?

Tiny
WRENCHERGUY
  • MEMBER
  • 1997 SATURN SL2
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 15,000 MILES
I replaced alternator because diodes were bad, charged battery, car started fine. Drove to advance auto parts, had car tested, alternator, starter, battery, and current/amp draw.02 all ok. Battery discharged overnight. Battery is 3 years old. Could the bad alternator have damaged battery cells but let the battery hold a good charge for the test and possibly fooled the testing equipment?
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Friday, September 18th, 2009 AT 10:06 PM

1 Reply

Tiny
SATURNTECH9
  • MECHANIC
  • 30,870 POSTS
Yes u could have a bad battery that tests good but just wont hold a charge over night and its 3yrs old so the alternator could have been the last straw for the battery. Hope this helps let me know how it goes.
Louie
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Thursday, October 8th, 2009 AT 5:28 PM

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