14B SF DIY drain plug guide

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Jrgunn5150

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I'll post this up here, so maybe someone else can benefit. It wasn't all that hard to do, took me about 30 minutes. All risks are yours, I bear no responsibility, yada yada. They do make these already made if you guy's can't weld or aren't willing to try. This cost me, total, like 35 bucks.

I did this because my stock cover was rusty, ugly, and someone had filled my fill plug with JB Weld. Then punch a hole in the cover and used it to fill the diff, then JB Welded that also.

So I bought a chrome diff cover on Amazon, because it was slightly cheaper than a stock replacement.

https://www.amazon.com/gp/product/B003BQJCSG/ref=oh_aui_detailpage_o04_s00?ie=UTF8&psc=1


I bought some arbitrary oil drain plug on Amazon, and matching bolts at my local home improvement store,

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Then I held it up top the axle and eyeballed the placement of the stock fill plug, and punched a corresponding location on my new bling cover. I flipped it over, made sure that my plug wouldn't interfere with the diff gut's, and busted out my step drill.


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Not exactly rocket science, I just went up in steps until the bolt went through lol. Then I used a 36 grit disc and blew the chrome off the backside where I was going to weld.

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Ran the bolt into the nut, snugly. You can see this particular bolt has a magnet on it, but it won't be submerged, so it doesn't much matter.

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Realized it would probably weld better without the coating lol,

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Turned my welder up and burned it the **** in there for all eternity, no tacks here, I just went full potato on it, as I really don't want it dropping into the diff on me lol.

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And here is the finished product, my chrome got a little discolored, but whatever, it was super easy to put the gallon of oil in this pig it takes,

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Justin S

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I'd be lying if I said that I haven't drilled a hole up high in the cover, guessed how much fluid to put in, then plugged it with a screw and RTV :superhack:
 

Jrgunn5150

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I'd be lying if I said that I haven't drilled a hole up high in the cover, guessed how much fluid to put in, then plugged it with a screw and RTV :superhack:

If you had welded a nut on the other side, it would have been permanent lmao
 

Ironhead

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Good work, a good idea, and thanks for posting. I can't believe they save enough money by not putting in proper drain and fill plugs right at the factory to make it worthwhile leaving them out.
 

Jrgunn5150

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Good work, a good idea, and thanks for posting. I can't believe they save enough money by not putting in proper drain and fill plugs right at the factory to make it worthwhile leaving them out.

I've never understood the logic of the inverse square fitting on them myself, ideally, the stock fill would be external, not internal to get all cruded up.

Glad you guy's could find some utility in this, like I said, my total cost was maybe 35 bucks, and it only took me about fifteen minutes.
 

TylerZ281500

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I've never understood the logic of the inverse square fitting on them myself, ideally, the stock fill would be external, not internal to get all cruded up.

Glad you guy's could find some utility in this, like I said, my total cost was maybe 35 bucks, and it only took me about fifteen minutes.

so put one in there
 

Jrgunn5150

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The stock fill plugs are just NPT plugs, I see no problem with them being a square drive. You could swap them for a external square or any variant thereof, as long as it's NPT thread so it has the taper to seal.

I could if it wasn't full of JB Weld lmao...
 
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