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Battery *still* smells...
(yes, I've done exstensive searches in the archives, but not really found the solution to my problem..)
I Shot my old battery due to low water level and boiling. Installed a new battery last week. Water-level is confirmed ok, I'm getting a charge of between 13.2 - 13.9V and the battery *still* smells when I take long drives (say, from 45 min and up). It doesn't get hot however (just luke-warm). Here's what might be the trick - the battery is just a 60Ah and I know this is too "small" really, could this be the problem? ![]()
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1986 911 Carrera Cabriolet ************************ |
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Join Date: Jul 2001
Location: Hamden, CT, USA
Posts: 446
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You voltage regulator is going bad. It probably jumps up to 16+ volts occasionally cooking your battery. You might see some symptoms like your headlights going bright for a few seconds or your seatbelt buzzer coming on for no reason.
Tim |
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Join Date: Nov 2000
Location: Fairfax, VA.
Posts: 323
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Don't know if 60Ah battery is too small, but your voltage regulator is the reason for boiling the water out of old battery and will boil it out of the new one as well.
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Bad VR, just like Tim and Don said.
Jerry M '78 SC |
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Hmm...
I *was* actually wondering about the seatbelt buzzer, since it does indeed come on occationaly - I assumed that it was doing this because of a bad connection or something, up until now.... Silly question ![]()
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1986 911 Carrera Cabriolet ************************ |
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What?
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I agree with Don and Tim. I had the same problem, old battery died, replaced with new, went for 3+ hour drive and cooked the new battery because the voltage regulator was overcharging the system.
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Tom J. 911SC Cab SCWDP CaymanS |
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Quote:
Jerry M '78 SC |
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,190
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I replaced the VR in my '88 for $30 US a couple of months ago.
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa ![]() |
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