Battery relocation

Phillc

Love is....Yellow
Apr 23, 2007
4,170
20
Pershore, worcestershire
Well i have had my relocation for quite a while now and the only thing that bothered me was not having a spare, i didn't want to mount the battery in the boot space so that wasn't an option. When Tim (Ronin-225) broke his S3 and i noticed it had a space saver and this started me thinking. I had originally fixed the battery towards the back of the wheel well so would need to find a way to locate it in the middle but that would mean removing the locating bracket for the original spare, but i need to see if the space saver would A, fit over my brakes as i have 330's on the front and 308's on the rear. I decided not to bother with the front , if i had a front puncture i would swap it for a rear one, it did fit but only with the 15mm spacer without it no chance, but if your running your normal rear discs you wont have a problem.

So started by cutting a hole in the middle of my battery tray, so it would fit over the lump in the well floor,

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I was doing this to make sure the space saver fitted over the battery and sat inside the well and not stick up into the boot, after a test fit it fitted perfectly.

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I now set about removing the metal lump,

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Its held in place by 6 spot welds so i drilled them out, i also drilled some holes around the hole i had cut out of the battery tray, i had decided that i would rivet the tray to the floor, I did this buy using a small drill bit then using a step drill that cuts a bigger hole the further down the drill bit you go, this is what i ended up with i then used a flat head screwdriver to prize the part away from the floor.

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I then filled the holes with a silicon,

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Then riveted the tray to the floor, i totally filled the hole in the middle with silicon when i fitted the battery back in.


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The next thing to do was work out a way to stop the wheel moving around to much, i thought i could use the old bit that i had removed from the floor, the only problem with this was that it sat to high , so i cut the bottom of it and cut the threaded bar down on the top fitting, i have test fitted it and it looks right i now need to get it welded onto the to bar on the battery box.

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It was still a bit high so i made a spacer.


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This is what it looks like in position, i just need to get it welded on.

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I am really happy with this, the wheel doesn't come into contact with the battery, which was a concern, even unsecured the wheel doesn't move around to much, and it is flush with the top of the floor. The main problem with this is getting hold of a space saver, which i have to Thank Tim for his generosity, but if you can get one it removes the one problem people have with the battery relocation.
 
Last edited:

Dozer360

mk1 Seat Leon 20v T
Jun 1, 2010
1,026
1
southampton
Nicely done mate. One question, did you run an negative cable to the front or did you fix it to the boot somewhere and use the metalwork as a ground?
 

Phillc

Love is....Yellow
Apr 23, 2007
4,170
20
Pershore, worcestershire
No you don't run the earth to the front, you use the stock earth from the chassis to the engine, i then earthed the battery to the floor of the wheel well and then onto the rear sub frame.
 
Last edited:

ReDBull

Every day's a school day.
Nov 21, 2006
2,991
14
Lincoln
Top work. You've got me thinking about weight saving now. How much does a donut weigh?
 
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