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2009 Sienna starting funny

7 messages,  Last post on Jul 12, 2012 at 5:37 PM

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What is this discussion about? Toyota Sienna, Van

Messages Page 2 of 2

#5 of 7 Re: 2009 Sienna starting funny [apmemo] by fibber2

Jul 12, 2012 (4:39 am)

Replying to: apmemo (Jul 08, 2012 8:48 pm)
The OEM battery is pretty marginal for the application (575 CCA), and ours started giving us problems recently as well. Basically, it had no reserve capacity. If you simply turned the van off and left it until the next day undisturbed, it would start up fine. If you opened and closed the doors a few times (especially the motorized sliding doors) while it sat, it might not start the next day. Jump it or use a charger, and it was just fine. After a few weeks of nursing it that way to make sure there was no other electrical system issues that needed attending, I replaced the battery with a 700 CCA unit from Autozone.

#6 of 7 Re: 2009 Sienna starting funny [fibber2] by apmemo

Jul 12, 2012 (9:34 am)

Replying to: fibber2 (Jul 12, 2012 4:39 am)
That makes sense! I use mine for business and we are constantly opening and closing the motorized side doors, maybe 20 times each in between starts, plus leaving them open for long periods of time (even though the overhead turns off after a while). I ended up buying one from Sams, though I don't know how many CCA it has.

#7 of 7 Re: 2009 Sienna starting funny [apmemo] by fibber2

Jul 12, 2012 (5:37 pm)

Replying to: apmemo (Jul 12, 2012 9:34 am)
You'll be fine. I'm convinced that most of these batteries come out of the same factory with just different labels!
 
The first time it happened to us, the kids remained in the van listening to the radio and with the blower fan on for a little ventilation. 10 minutes later, she was dead. The second time it was thru use of the doors - maybe a dozen cycles.
 
Just changed the battery on Monday, so hopefully we won't see this for another half dozen years.

Messages Page 2 of 2

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