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Removing Battery For Storage?

I will be storing my 370Z for the winter. There is no electricity where it will be stored so I will be removing the battery. What memories will be lost?

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Old 10-11-2020, 01:35 PM   #1 (permalink)
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I will be storing my 370Z for the winter. There is no electricity where it will be stored so I will be removing the battery. What memories will be lost? Is losing the ecm data a big deal?

Last edited by 2string1; 10-11-2020 at 02:25 PM.
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Old 10-11-2020, 04:46 PM   #2 (permalink)
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Not a big deal unless you plan on racing as soon as you start it up. You'll lose radio presets on some year models. Might need to reset the auto-window function. ECM will lose some tuning data but it only takes about 15 minutes to relearn (car may run a little rough at first). Transmission may lose some data but I'm not sure.
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Old 10-11-2020, 06:28 PM   #3 (permalink)
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Is it OK to just start the car once a month and let it get up to temp?
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Old 10-11-2020, 07:27 PM   #4 (permalink)
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Is it OK to just start the car once a month and let it get up to temp?
That'll work. Let it run for a few minutes after the engine warms up so that the exhaust pipes get hot enough to boil off the water.

IIRC, there is also a shipping "switch" in the fuse block that kills power to a lot of stuff to reduce battery drain. FSM will tell you how good my memory is and exactly where the switch is (if it actually exists). Link to FSM in my sig.
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Old 10-12-2020, 06:20 AM   #5 (permalink)
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In my experience, the Z doesn't use that much electricity when not in use. I would just leave it alone (instead of running the engine for a few minutes monthly) during winter. How long is it going to hibernate?
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Old 10-12-2020, 06:47 AM   #6 (permalink)
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4-5 months. Are you saying just leave the battery in?
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Old 10-12-2020, 07:33 AM   #7 (permalink)
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If you have/use Syncho rev match feature, be sure to turn Sport mode back on.
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Old 10-12-2020, 07:43 AM   #8 (permalink)
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4-5 months. Are you saying just leave the battery in?
Purchase a Battery Tender if you donít already have one. Your battery will lose charge in the 4-5 months. A Battery Tender will prolong the life of your battery. Face it batteries are expensive to replace.
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Old 10-12-2020, 08:42 AM   #9 (permalink)
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Purchase a Battery Tender if you donít already have one. Your battery will lose charge in the 4-5 months. A Battery Tender will prolong the life of your battery. Face it batteries are expensive to replace.
I have a battery tender. There is no electricity where it's being stored. Hence the question, Should I remove it and bring it home and hook it up to my tender? Sounds like I should remove it.
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Old 10-12-2020, 10:38 AM   #10 (permalink)
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I have a battery tender. There is no electricity where it's being stored. Hence the question, Should I remove it and bring it home and hook it up to my tender? Sounds like I should remove it.
You definately could remove it and tend it at home. Wouldn't hurt. It's just a pita to carry. Haha.

I've stored mine in cold storage for the past 6 years. You will lose radio presets, windows will need to be reset, and the clock on the gauge will be gone. That's it. All nav presets and other stuff will work like normal.

Let the car idle for a solid 5 minute sminimum upon first startup in the spring to get rid of any moisture buildup, let fluids circulate properly, and allow the ecu to relearn stuff. I've personally never had the car act weird after sitting for 6 months, but it doesn't hurt to just let it run.

I replaced the OEM battery last year with an interstate one. The OEM was 10 years old. And 6 of those 10 years have been in cold storage. (-20f) during winter. I've never had to jump the car or anything upon initially startup in the spring.
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Old 10-13-2020, 06:35 AM   #11 (permalink)
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I have a battery tender. There is no electricity where it's being stored. Hence the question, Should I remove it and bring it home and hook it up to my tender? Sounds like I should remove it.
Yes definitely bring it home with you and leave your battery on your Battery Tender to preserve the life of your battery. Batteries for our cars are not inexpensive to replace. I just replaced my battery last winter and got three years of service out of my last battery. Hopefully you can get longer life from your battery than I did. The Genuine Nissan batteries are the longest lasting batteries I have seen so far.
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Old 10-23-2020, 11:28 PM   #12 (permalink)
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Be sure to put steel wool in your exhaust tips so critters don't mistake your muffler for a nice home.

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Old 10-24-2020, 06:47 AM   #13 (permalink)
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Be sure to put steel wool in your exhaust tips so critters don't mistake your muffler for a nice home.

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Thanks. My storage is pretty secure from Varmits.
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Last edited by 2string1; 10-24-2020 at 06:54 AM.
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Old 10-24-2020, 07:25 AM   #14 (permalink)
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Be sure to put steel wool in your exhaust tips so critters don't mistake your muffler for a nice home.

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This is the truth you could come back to rats making a new home out of your Z! Cover any opening a specially exhaust tips.
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