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Valvoline
by Koncrete_Cam - 12/06/19 01:32 PM
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28 registered members (Char Baby, Danno, clinebarger, czbrian, 69 Riv GS, adams355, 3 invisible),
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Forums67
Topics298,392
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Back seat battery
#4783587
06/11/18 05:57 AM
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Joined: Jan 2016
Posts: 1,089
Duffyjr
OP
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OP
Joined: Jan 2016
Posts: 1,089 |
Are batteries lasting longer when they're located outside the engine bay away from the heat?
89 GMC Sierra Advanced 5w30/51036 Wix 08 Lucerne CX Advanced 5w30/1040 Gold 18 Toro Super Recycler VWB SAE 30
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Re: Back seat battery
[Re: Duffyjr]
#4783595
06/11/18 06:16 AM
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Joined: May 2005
Posts: 11,949
Char Baby
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Joined: May 2005
Posts: 11,949 |
Well, I am going to say, NO! When they're in the engine compartment, they are right in the way of cooling air coming into the engine bay. As were the batteries that are located in the trunk or backseat area, or even the wheel well of the car(Chrysler), don't seem to show any benefits for longevity. I think the battery placement is for weight balance.
Batteries that are in vehicles living in the HEAT BELT suffer from more earlier failures regardless of their location in the vehicle. Batteries not maintained also fail early regardless of the location in the vehicle.
This is just my opinion.
CB
"Retired" -----------------------------------
'80 Firebird FORMULA V8/4bbl-purchased "NEW" '15 Nissan Altima 2.5 SV '15 Honda Civic 1.8 LX
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Re: Back seat battery
[Re: Duffyjr]
#4783696
06/11/18 08:50 AM
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Joined: Feb 2014
Posts: 3,430
Lolvoguy
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Joined: Feb 2014
Posts: 3,430 |
I'm gonna go with "yes". As the temps are more stable and generally cooler when away from the heat of the engine bay.
06 Lexus IS350- Wife 88 BMW 325is- Mistress Say "no" to Turbo!
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Re: Back seat battery
[Re: Duffyjr]
#4783707
06/11/18 09:01 AM
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Joined: Dec 2002
Posts: 389
Ryan
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Joined: Dec 2002
Posts: 389 |
I’d say the battery being out of the engine bay would be better for it, but I’m sure the engineers don’t care about the longevity of your battery. They are probably doing it because of less room under the hood.
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Re: Back seat battery
[Re: Char Baby]
#4783781
06/11/18 10:08 AM
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Joined: Mar 2015
Posts: 1,745
SeaJay
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Joined: Mar 2015
Posts: 1,745 |
Batteries not maintained also fail early regardless of the location in the vehicle.
This is just my opinion.
CB I thought batteries in today's cars were maintenance free? If not, I better start doing some maintaining, after I figure out what needs to be done.
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Re: Back seat battery
[Re: Duffyjr]
#4783791
06/11/18 10:20 AM
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Joined: Jun 2002
Posts: 13,406
Kestas
Global Moderator
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Global Moderator
Joined: Jun 2002
Posts: 13,406 |
I agree with Ryan, heat is not the primary reason the battery is moved from the engine bay. Wherever the battery sits, corrosive vapors is a concern. Plus, the longer cables will reduce the power available for starting, unless the cables are thicker.
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Re: Back seat battery
[Re: Duffyjr]
#4783795
06/11/18 10:22 AM
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Joined: Jun 2012
Posts: 762
redbone3
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Joined: Jun 2012
Posts: 762 |
I have owned cars with batteries in all locations. Cooler is better.
2014 Passat Wolfsburg, 1995 Miata.
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Re: Back seat battery
[Re: Duffyjr]
#4783924
06/11/18 12:01 PM
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Joined: Aug 2003
Posts: 14,207
Rand
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Joined: Aug 2003
Posts: 14,207 |
Can definitely help. Its somewhat known that batteries in the 2014+ cherokee live short lives.. due to excessive heat. Many going before the 3 year mark... even in the years previous to having auto start/stop.
2019 Jeep Cherokee Trailhawk 2.0T 2020 Hyundai Elantra "Value Edition"
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Re: Back seat battery
[Re: Duffyjr]
#4783947
06/11/18 12:47 PM
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Joined: Jan 2017
Posts: 3,314
maxdustington
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Joined: Jan 2017
Posts: 3,314 |
Depends on the location. In Canada it might help stabilize the temp for cold starts if the battery is located inside, and less exposure of connections to a corrosive atmosphere. The resistance from the wiring might negate these advantages.
Have you ever seen industrial vehicles where the battery is just hanging off the side of the frame? I do not think it matters one way or the other.
99 Toyota Tercel CE 5EFE/C151
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Re: Back seat battery
[Re: Duffyjr]
#4783986
06/11/18 01:59 PM
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Joined: Nov 2007
Posts: 3,996
mjoekingz28
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Joined: Nov 2007
Posts: 3,996 |
A battery mat to absorb shock, keeping the case clean, the water level proper if it has caps, and of course the terminals clean and corrosion free (and a light film of oil or grease if that's your thing) is all I think is needed in a regular car. Of course regular charging if it is rarely driven or a detached negative cable are good.
A Cobalt I had placed the battery in the spare tire tub/well low in the trunk. It has a vent hose for (hydrogen?) fumes- but dont AGMs solve that issue? I think that is a perfect location for a sporty car for the weight issues. Also, the battery is out of the way for more room in the engine bay and also, smokers and those careless can be safer not having it under the hood when doing work to the car.
As for do they last longer....I would guess they would with all things being equal. But if you treat your underhood battery like royalty then they would probably last equal in time. Its just with the battery inside it probably require alot less attention and that is good for the masses......like sealed non-greasable steering and suspension components.
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Re: Back seat battery
[Re: Duffyjr]
#4788564
06/16/18 07:01 PM
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Joined: Mar 2010
Posts: 92
ENGINEER60
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Joined: Mar 2010
Posts: 92 |
YES they are. Chevy cobalts can easily go 8 years or more on a battery because it is mounted in the trunk out of the temp extremes, vibration, and eposure to liquids dirt, and corrosives.
Last edited by ENGINEER60; 06/16/18 07:02 PM.
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Re: Back seat battery
[Re: Duffyjr]
#4788605
06/16/18 07:53 PM
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Joined: Jun 2003
Posts: 34,974
eljefino
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Joined: Jun 2003
Posts: 34,974 |
MIL's lesabre got 12+ years from the stock battery under the rear seat and wife's HHR was sold at year 10 (11?) with its OE trunk battery.
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Re: Back seat battery
[Re: Duffyjr]
#4790714
06/19/18 06:05 AM
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Joined: May 2018
Posts: 557
HYUNDAIFAN0001
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Joined: May 2018
Posts: 557 |
Are batteries lasting longer when they're located outside the engine bay away from the heat?
If having 3 batteries (includes the original) in 18 years for my 2000 E320 Mercedes is any indication...the answer is yes...having a battery away from outside elements helps longevity.
Always taking care of my rides.
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