white powdery corrosion around battery terminals - Nissan Murano Forum
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post #1 of 19 Old 04-07-2019, 06:30 PM Thread Starter
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white powdery corrosion around battery terminals

Hi All,
Its ongoing story, I keep cleaning but it always comes back, usually I clean them with brush and apply anti electric grease.

Now I have it in both sides, which is strange to begin with.

Any idea what to do? Mo is 2015, maybe I need new battery?




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post #2 of 19 Old 04-07-2019, 09:32 PM
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Originally Posted by dand. View Post
Hi All,
Its ongoing story, I keep cleaning but it always comes back, usually I clean them with brush and apply anti electric grease.

Now I have it in both sides, which is strange to begin with.

Any idea what to do? Mo is 2015, maybe I need new battery?
Two things:


First get the red and green felt rings that go on the battery posts under the battery terminals.


Remove both terminals, starting with the Negative one. Clean both terminals and posts so that they are shiny, clean and dry. Coat both terminals and posts with Vaseline jelly. Place the felt rings on the posts and install the terminals, starting with the Positive, pressing down as far as possible. You might need to loosen the terminal bolts a little so the they can go down farther down the post. Tighten securely.


Second, remove the Battery cell covers. Be sure to use gloves and glasses or a face shield. Place a used rag over the covers when removing. Discard all rags when done and avoid fluid on skin and clothes.


Fluid level should be less then 1/2" below the visible slit in the openings. From 1" to 1/2" below the openings, use Osmosis or Distilled water to bring the cell levels up 1/2" below the openings.


If the cells are extremely low, more then 1" below the slit, you can't add just water. It will kill the battery, diluting the battery acid too low to effectively recover. You must go to your local auto parts store and get a Battery Acid refill kit. Using that, fill the cells to the proper level 1/2" below the slits. Use only a new clean funnel if needed. Place battery on a trickle charger over night before starting the car.


If the corrosion continues, have the system checked for an over/under-charging state.


I've done this for years and never have had a corrosion issue on any of my batteries.


Have a good day.
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post #3 of 19 Old 04-08-2019, 05:44 AM
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Originally Posted by dand. View Post
Hi All,
Its ongoing story, I keep cleaning but it always comes back, usually I clean them with brush and apply anti electric grease.

Now I have it in both sides, which is strange to begin with.

Any idea what to do? Mo is 2015, maybe I need new battery?




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I have the exact same issue. Never had this problem with any of my other cars. I have no clue why it keeps coming back. The vaseline and felt ring will work but I've never had to do that with other cars. So makes me think cheap batteries installed from factory.
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post #4 of 19 Old 04-08-2019, 05:53 AM
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Factory battery died on me a little after 30k miles. For the record, I had a lot of corrosion issues on the terminals as well.

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post #5 of 19 Old 04-08-2019, 08:17 AM
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Originally Posted by vortex View Post
I have the exact same issue. Never had this problem with any of my other cars. I have no clue why it keeps coming back. The vaseline and felt ring will work but I've never had to do that with other cars. So makes me think cheap batteries installed from factory.
I believe that it's an issue with the sodium chloride that is being used on the roads now a days, much worse the than the salt/sand mixture that was used previously. As the road dries, the SC mixes with road dust and is sucked up thru the engine compartment. Batteries tend to have a slight top coating from venting acid fumes and SC infected dirt will stick to it. Along with the battery acid fumes venting out while charging, you have a prime condition for battery corrosion.


The Vaseline keeps the air off (no oxygen, no reaction), while the felt pads are two forms of acid neutralizers. Adding the plastic terminal post covers will also keep road dust off the terminals.


Not cheap batteries, but may have been sitting for some time. Batteries do dry out and if not filled properly will cause all kinds of issues before outright dying. It's usually checked last in the process and then people tend to add just water when it's too low for that solution, not realizing battery acid is needed at this point to save the battery.


A car parked on a 5 degree slope with the battery vent openings on the lower side will corrode and dry out faster then a car parked level. The caps have little vent channels with tiny openings on the bottom outer edge to condensate the battery acid fumes and suck it back in as the battery cools. If not level, the condensated liquid in the channels has trouble being pulled back into the battery and can weep out the tiny vent holes.

Have a good day.
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post #6 of 19 Old 04-08-2019, 11:03 AM
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You may be onto something when mentioning the salt. I live in central Arkansas and very rarely is salt used on the roads. I replaced the original battery at 65,000 miles and that was 50,000 miles ago. No red/green felt pads or Vaseline, I just cleaned the battery cables and sprayed them with battery terminal protector once they were connected. There was no corrosion on the cables on the old battery either.

white powdery corrosion around battery terminals-battery1.jpg

white powdery corrosion around battery terminals-battery2.jpg
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post #7 of 19 Old 04-08-2019, 01:38 PM
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Yes, definitely cheap battery, poor battery construction. I don't think it has anything to do with the car.


I have also a 2015, but I changed my battery after the 1st year of ownership to an Optima (8040-218). It's been now 3 years and never seen any corrosion on the terminals.


Also, make sure you make good contact with the battery terminal, I used this product to brush the battery terminal and the connector so they look nice and shiny, or you can use a wire brush





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post #8 of 19 Old 04-08-2019, 06:25 PM
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I have lived in the same city all my life. I've owned plenty of vehicles. I've driven the same streets during all seasons. This Murano battery is the first one to show this much sign of corrosion. I had less corrosion on my 7 year old Mazda battery then I have on my 2 year old Nissan battery.

On a side note. My work cars do not have this much battery corrosion. They are Fords...
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post #9 of 19 Old 04-08-2019, 07:56 PM
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It is a bad battery. Has nothing to do with the vehicle itself. I always replace the cheap factory batteries after two years because they often fail prematurely. Has happened in domestic and foreign brands alike.
Yes, the manufacturer should put in better batteries, but they donít because they can save a few bucks.
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post #10 of 19 Old 04-09-2019, 06:22 AM
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Originally Posted by vortex View Post
I have lived in the same city all my life. I've owned plenty of vehicles. I've driven the same streets during all seasons. This Murano battery is the first one to show this much sign of corrosion. I had less corrosion on my 7 year old Mazda battery then I have on my 2 year old Nissan battery.

On a side note. My work cars do not have this much battery corrosion. They are Fords...
Yeah, it's just the rest of their cars that fall apart around the battery...
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post #11 of 19 Old 04-09-2019, 08:21 AM
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Originally Posted by vortex View Post
I have lived in the same city all my life. I've owned plenty of vehicles. I've driven the same streets during all seasons. This Murano battery is the first one to show this much sign of corrosion. I had less corrosion on my 7 year old Mazda battery then I have on my 2 year old Nissan battery.

On a side note. My work cars do not have this much battery corrosion. They are Fords...
Yeah, it's just the rest of their cars that fall apart around the battery... <img src="https://www.nissanmurano.org/forums/images/smilies/tango_face_grin.png" border="0" alt="" title="Big Grin" class="inlineimg" />
Haha. Actually, to be honest with you. I've had less issues with all my other cars combined then I've had with my Murano. I'm sure I got a bad example and allot of them are fine. I also cannot get over all the rattles in this thing. My other cars never had this many issues. Dont get me wrong, I like the Murano, but I'm convinced that its overall quality is not where it should be. Way too many shortcuts taken by the engineers and assembly.
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post #12 of 19 Old 04-09-2019, 01:00 PM Thread Starter
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Thank you all for participation in this.

Im leaning towards replacing the battery, Mo is 2015 so battery probably was made in 2014, about 4-5 years now. And I have to disconnect all terminals anyway.

Thinking to get the following, looks like its direct swap.

http://www.batteriesplus.com/battery...-585cca/sli35m




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post #13 of 19 Old 04-09-2019, 04:49 PM
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Dand, you might consider an Optima or similar glass-mat battery. They eliminate this problem.

For those of you who use Optima, and other glass mat batteries...

If they become deeply discharged (below 10.5 Volts) you need either a battery charger with a glass-mat cycle or a special battery charge process. Otherwise the battery cannot be charged. I've learned this the hard way.

Optima's directions are here: https://www.optimabatteries.com/en-u...harged-battery

You don't have to memorize the process, but you should be aware that it exists so you can look it up if you need it.

I now have a charger that will let me recharge using option #1 , but I have been forced to use option #2 in the past.

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post #14 of 19 Old 04-09-2019, 09:53 PM
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[QUOTE=dand.;739230]Thank you all for participation in this.

Im leaning towards replacing the battery, Mo is 2015 so battery probably was made in 2014, about 4-5 years now. And I have to disconnect all terminals anyway.

Thinking to get the following, looks like its direct swap.

http://www.batteriesplus.com/battery...-585cca/sli35m

(If you're a member) Costco has the Interstate battery (Group 3, Item# 850242) for $75. Costco has better warranty (42-month no-question-asked refund/re-buy).
Even within the 100% replacement period, other places may ask people to wait for them to re-charge & test the battery (happened to me, while my car was on the side of the road @#$%#^).
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post #15 of 19 Old 04-10-2019, 12:26 AM Thread Starter
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[quote=maxfan;739242]
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Originally Posted by dand. View Post
Thank you all for participation in this.



Im leaning towards replacing the battery, Mo is 2015 so battery probably was made in 2014, about 4-5 years now. And I have to disconnect all terminals anyway.



Thinking to get the following, looks like its direct swap.



http://www.batteriesplus.com/battery...-585cca/sli35m



(If you're a member) Costco has the Interstate battery (Group 3, Item# 850242) for $75. Costco has better warranty (42-month no-question-asked refund/re-buy).

Even within the 100% replacement period, other places may ask people to wait for them to re-charge & test the battery (happened to me, while my car was on the side of the road @#$%#^).


Good point, looks like decent quality batteries. Thank you.



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