Dead battery. - Page 2 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

N1rve · 11-23-2014, 01:05 AM

Battery could have a bad cell and not be holding a charge properly. Perform a load test on it.

navanodd · 11-23-2014, 03:42 AM

Quote:

Originally Posted by Foobar

My 13 BRZ doesn't do that. I left the dome light on far hours once.

Sent from my Nexus 5 using Tapatalk

Interesting, either I misread the manual or it lied. Now I'm gonna have to dig that up again.

ntron1 · 11-23-2014, 07:42 AM

Quote:

Originally Posted by ckkone

Really, why do you need an Internet post to help you determine if your battery is bad. Go to an auto parts store and get it tested.

I went and had mine tested. I won't post the results and the rest of the story because it might upset ckkone.

Foobar · 11-23-2014, 11:07 AM

Quote:

Originally Posted by navanodd

Interesting, either I misread the manual or it lied. Now I'm gonna have to dig that up again.

I think the 20 minute auto shutoff only applies to headlights.

bcj · 11-23-2014, 03:08 PM

Yeah, only shuts off the headlights.
The trunk button got pushed while in my pocket one evening just after I got mine.
Next day the battery was flattened by the trunk light.
It recovered with a battery tender and is still working fine today.

taiguy · 11-27-2014, 05:47 PM

Also in CO, also came out to find a dead battery however, mine was sitting for several weeks while I was out of town.

Left it on a charger for a few hours. Came back after another week and it's reading 11.75 V

I have it on the charger again but I fear that it may be too far gone.

BRZlimited · 12-05-2014, 11:58 AM

This is actually very interesting, it's happened to me twice already as well. The last time it happened I drove from work to my girlfriends house. The car sat there for 30 minutes with nothing on what so ever and wouldn't start, once we gave it cables it started right up. We must have defective or weak batteries.

YEAHdams · 12-07-2014, 07:57 PM

Mine sat for a week and is now dead. I took the battery out and ran it to Auto Zone and they said it has 3 bad cells. Bought the car band new a year ago. Lightweight battery here I come if the dealer wont warranty it.

radroach · 12-07-2014, 08:10 PM

Dang, guys, I get antsy if I leave my car alone for more than one day.

Yep this battery is weak if you leave it for more than a couple days.

Also, does anybody know if it's necessary to top off the OEM battery after a couple years? And if so does anybody have a tutorial.

BRZnut · 12-07-2014, 08:22 PM

the stock batteries have caps on the top to add distilled water to each cell when it gets low. It is hard to tell what the water level is but there is an upper and lower line on the outside of the battery. I just can never get a clear view of where the water line is. Anyone have a trick to tell?? (on my old cars I would bounce them and see how the water moves, but the BRZ is too stiff to bound up and down by pushing on it, plus you run the risk of denting in the sheet metal!)

carma143 · 12-07-2014, 08:59 PM

Mine had a bad alternator. Sputtered and died while in neutral. Lights would flicker whenever the car would try to start.

Ultramaroon · 12-07-2014, 09:21 PM

Quote:

Originally Posted by BRZnut

the stock batteries have caps on the top to add distilled water to each cell when it gets low. It is hard to tell what the water level is but there is an upper and lower line on the outside of the battery. I just can never get a clear view of where the water line is. Anyone have a trick to tell?? (on my old cars I would bounce them and see how the water moves, but the BRZ is too stiff to bound up and down by pushing on it, plus you run the risk of denting in the sheet metal!)

Never bounce or otherwise whack a wet lead-acid battery.

Inside the inspection/fill hole, there is a split tube that reaches down to the top of the fill line. You can see the meniscus touching it when you have the proper fluid level.

Someone else said it - use only distilled water.

BRZnut · 12-07-2014, 11:07 PM

Quote:

Originally Posted by Ultramaroon

Never bounce or otherwise whack a wet lead-acid battery.

Inside the inspection/fill hole, there is a split tube that reaches down to the top of the fill line. You can see the meniscus touching it when you have the proper fluid level.

Someone else said it - use only distilled water.

I'll have to look down the fill hole next time! Thanks

kiichiro · 12-08-2014, 12:46 AM

R u running a tune?

11-23-2014, 01:05 AM	#15
N1rve Senior Member Join Date: Oct 2013 Drives: 2019 BMW ///M4 Location: Los Angeles, CA Posts: 2,332 Thanks: 102 Thanked 1,167 Times in 714 Posts Mentioned: 28 Post(s) Tagged: 0 Thread(s)	Battery could have a bad cell and not be holding a charge properly. Perform a load test on it. __________________ N1rve 2019 BMW ///M4 - Alpine White \| Sakhir Orange/Black Leather \| M-DCT \| Executive Package \| 19" Black 437M Wheels \| Carbon Fiber Trim \| Sunroof \| Active Blind Spot \| Heated Steering Wheel \| Adaptive M Suspension

12-07-2014, 07:57 PM	#22
YEAHdams Senior Member Join Date: Oct 2013 Drives: 2013 frs 10series Location: Wv Posts: 140 Thanks: 63 Thanked 7 Times in 6 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	3 bad cells Mine sat for a week and is now dead. I took the battery out and ran it to Auto Zone and they said it has 3 bad cells. Bought the car band new a year ago. Lightweight battery here I come if the dealer wont warranty it.

12-08-2014, 12:46 AM	#28
kiichiro corolla specs/GTR looks Join Date: May 2013 Drives: ooh oooh pretty tail lights Location: slower than a accord V6 Posts: 490 Thanks: 229 Thanked 113 Times in 79 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	R u running a tune? __________________ SOLD THEM BOTH Hers: 2007 987S Mine: 2012 991S That was fun, thanks Hachi

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11-27-2014, 05:47 PM	#20
taiguy Senior Member Join Date: Feb 2014 Drives: 2013 Black BRZ Limited Location: Denver Posts: 129 Thanks: 54 Thanked 55 Times in 35 Posts Mentioned: 2 Post(s) Tagged: 1 Thread(s)	Also in CO, also came out to find a dead battery however, mine was sitting for several weeks while I was out of town. Left it on a charger for a few hours. Came back after another week and it's reading 11.75 V I have it on the charger again but I fear that it may be too far gone.

12-05-2014, 11:58 AM	#21
BRZlimited Member Join Date: Mar 2014 Drives: 2013 Subaru BRZ limited Location: United States Posts: 72 Thanks: 3 Thanked 17 Times in 11 Posts Mentioned: 1 Post(s) Tagged: 0 Thread(s)	This is actually very interesting, it's happened to me twice already as well. The last time it happened I drove from work to my girlfriends house. The car sat there for 30 minutes with nothing on what so ever and wouldn't start, once we gave it cables it started right up. We must have defective or weak batteries.

12-07-2014, 08:10 PM	#23
radroach Senior Member Join Date: Feb 2013 Drives: car Location: usa Posts: 2,162 Thanks: 1,028 Thanked 867 Times in 530 Posts Mentioned: 35 Post(s) Tagged: 1 Thread(s)	Dang, guys, I get antsy if I leave my car alone for more than one day. Yep this battery is weak if you leave it for more than a couple days. Also, does anybody know if it's necessary to top off the OEM battery after a couple years? And if so does anybody have a tutorial.

12-07-2014, 08:22 PM	#24
BRZnut Senior Member Join Date: Oct 2012 Drives: BRZ DGM Limited Location: USA Posts: 1,237 Thanks: 5 Thanked 431 Times in 250 Posts Mentioned: 8 Post(s) Tagged: 0 Thread(s)	the stock batteries have caps on the top to add distilled water to each cell when it gets low. It is hard to tell what the water level is but there is an upper and lower line on the outside of the battery. I just can never get a clear view of where the water line is. Anyone have a trick to tell?? (on my old cars I would bounce them and see how the water moves, but the BRZ is too stiff to bound up and down by pushing on it, plus you run the risk of denting in the sheet metal!)

12-07-2014, 08:59 PM	#25
carma143 Senior Member Join Date: Jan 2014 Drives: Toyota Highlander; Subaru BRZ (SWP) Location: California Posts: 431 Thanks: 137 Thanked 156 Times in 95 Posts Mentioned: 1 Post(s) Tagged: 2 Thread(s)	Mine had a bad alternator. Sputtered and died while in neutral. Lights would flicker whenever the car would try to start.

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