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#4460753 - 07/16/17 09:39 AM Magnetic drain plug failure.
Vladiator Offline


Registered: 01/04/16
Posts: 728
Loc: NC
Long story short - cheap magnetic drain plug from Amazon failed after 8 oil changes. Lost all oil in the oil pan.

Details:
I bought a magnetic drain plug from Amazon, but seems like it is made from a very soft metal that failed fairly quickly. I was out of state. On a straight and empty road I heard my engine getting gradually louder and oil light came on. Immediately I put the car in neutral, shut off the ignition, and coasted to the shoulder. Upon inspection I saw that the drain plug freed itself and got lost at some point, so all the oil drained out. As some of you remember - I had Mobil 15w50 in the sump. (more info here:
https://bobistheoilguy.com/forums/ubbthreads.php/topics/4457582/Re:_Mobil_15w50_in_0w20_engine#Post4457582) I was far away from my stash, so could not top it off with more 15w50. So I requested an Uber to the closest AutoZone and bought 5qts of STP 0w20 and STP Extended Life oil filter, along with a new drain plug. Then Ubered back to my Scion on the side of the road. Put the new drain plug in, and added 4qts of 0w20. That got it to the FULL line. Full capacity is 4.7qts, so I guess not all of the oil drained out. Left the old filter on the engine.
Started the vehicle, no abnormal noises were noticed. After a few minutes I checked the oil level again and it was still on the full line. Then I returned the extra quart and oil filter back to AutoZone as I did not need it anymore. So I finished my trip without any more issues, and learned my lesson - never buy cheap magnetic drain plugs again. Oh and always have a set of tools in your car. My small toolcase saved my and many of my friends' cars multiple times.
In other thread I promised to do a UOA of 15w50 after 7k miles, but obviously that wont happen now. I will however do a UOA in 5k-7k miles on this fill of .7qt of 15w50 and 4qts of STP 0w20 synthetic to see how the oil loss affected the engine. I am glad that I had 15w50 in the engine, because as we know - oils with higher viscosity form a thicker film on engine surfaces. Hopefully that myth will be confirmed in my case. A UOA will show I guess.

Enjoy your Sunday!!!
_________________________
Thicker oils give protection for severe operations such as driving in mountains, pulling a boat, dusty conditions, short trips, high rpm, overloading, overheating and overcooling. Thin oils give MPG.

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#4460756 - 07/16/17 09:45 AM Re: Magnetic drain plug failure. [Re: Vladiator]
demarpaint Offline


Registered: 07/03/05
Posts: 29745
Loc: NY
That sucks. I have one here from PB I was planning on using next OCI in my Liberty. I might scrap that idea.
_________________________
God Bless Our Troops


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#4460758 - 07/16/17 09:47 AM Re: Magnetic drain plug failure. [Re: Vladiator]
Vladiator Offline


Registered: 01/04/16
Posts: 728
Loc: NC
This is the drain plug that failed.
Upstream M12x1.25mm Magnetic Oil Drain Plug for Infiniti, Lexus, Nissan, Scion, and Toyota(Red) https://www.amazon.com/dp/B017SV5C9W/ref=cm_sw_r_cp_apap_ogZywjeQ9XEMe
_________________________
Thicker oils give protection for severe operations such as driving in mountains, pulling a boat, dusty conditions, short trips, high rpm, overloading, overheating and overcooling. Thin oils give MPG.

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#4460764 - 07/16/17 09:52 AM Re: Magnetic drain plug failure. [Re: Vladiator]
4WD Offline


Registered: 09/21/10
Posts: 6366
Loc: Texas
Bummer - they made it look better than it is. I'm using a couple Gold Plugs but kept OEM plugs stashed in the vehicle or tool box on my truck

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#4460787 - 07/16/17 10:14 AM Re: Magnetic drain plug failure. [Re: Vladiator]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Do you really expect us to believe a steel drain plug, TORQUED TO THE PROPER SPEC, loosened itself?!?!?!!?
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4460788 - 07/16/17 10:14 AM Re: Magnetic drain plug failure. [Re: Vladiator]
Astro14 Offline


Registered: 10/10/10
Posts: 8533
Loc: Virginia Beach
"Freed itself and got lost" doesn't sound like a part failure...

Sounds more like a problem with the installation...particularly the torque...
_________________________
32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Valvoline

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#4460791 - 07/16/17 10:17 AM Re: Magnetic drain plug failure. [Re: Astro14]
bubbatime Offline


Registered: 03/18/08
Posts: 5622
Loc: South Florida
Originally Posted By: Astro14
"Freed itself and got lost" doesn't sound like a part failure...

Sounds more like a problem with the installation...particularly the torque...


Bingo. Most likely the plug was not torqued properly, but it's always easier to blame the part than ones self.
_________________________
17 Chrysler Pacifica Mobil 1 5W30
13 Yamaha XT250 Valv MC 10W40
12 Suzuki S40 Rotella 15W40
10 Acura TSX 2.4 PZL Plat 5W30
06 GMC Sierra Nextgen 10W30



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#4460794 - 07/16/17 10:19 AM Re: Magnetic drain plug failure. [Re: Vladiator]
ammolab Offline


Registered: 01/16/06
Posts: 995
Loc: Ruidoso, NM USA
It fell out? Is that a "plug failure"...or failure to instal properly?

If that plug was put in by a quick lube shop who would you blame?
_________________________
2009 Honda CR-V
2011 BMW R1200R
2005 Kaw Ninja 250
1994 Jeep Wrangler 2.5L
2016 Chevy SS Sport Sedan

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#4460795 - 07/16/17 10:21 AM Re: Magnetic drain plug failure. [Re: Astro14]
ecotourist Offline


Registered: 07/09/08
Posts: 1067
Loc: British Columbia, Canada
The plug itself was aluminum (looks like it had a magnet glued into it). I'm not sure I'd trust an aluminum drain plug.
_________________________
2000 BMW 528i 5MT
2007 Honda Accord EX-L 4Door V6 6MT

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#4460799 - 07/16/17 10:26 AM Re: Magnetic drain plug failure. [Re: Vladiator]
Vladiator Offline


Registered: 01/04/16
Posts: 728
Loc: NC
Yes, I do not use a torque wrench. I always use exactly the same small socket wrench to tighten the plug and know the right force to apply. Never had a plug failure until this cheap plug. All I know is that once I looked under the car - plug was not there and there was oil dripping from all underneath the car behind the drain hole. I'm just glad it did not mess up my oil pan threads. New drain plug went in and felt a lot less fragile during tightening.
_________________________
Thicker oils give protection for severe operations such as driving in mountains, pulling a boat, dusty conditions, short trips, high rpm, overloading, overheating and overcooling. Thin oils give MPG.

Top
#4460804 - 07/16/17 10:34 AM Re: Magnetic drain plug failure. [Re: Vladiator]
Blokey Offline


Registered: 02/21/03
Posts: 1027
Loc: GA, USA
Get yourself a Gold Plug (http://goldplug.com). Stainless steel, strong magnet and made in Bozeman, MT. I've been using them on my cars for years.
_________________________
Running CAM2 because "you know it's tough and you love it"

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#4460817 - 07/16/17 10:45 AM Re: Magnetic drain plug failure. [Re: Blokey]
Kira Offline


Registered: 08/19/10
Posts: 5214
Loc: Champlain/Hudson Valley
Is this logical?

Someone told me "name brand" lug bolts can actually tighten themselves whilst in service.
The someone was a dealership parts counterman.

Therefor, could it be that cheap bolts would do the opposite?

I'm climbing into my _____proof suit now.

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#4460827 - 07/16/17 10:59 AM Re: Magnetic drain plug failure. [Re: Vladiator]
aquariuscsm Online   content


Registered: 12/30/06
Posts: 18151
Loc: Dallas,Tx USA
Originally Posted By: Vlad_the_Russian
So I requested an Uber to the closest AutoZone and bought 5qts of STP 0w20 and STP Extended Life oil filter, along with a new drain plug. Then Ubered back to my Scion on the side of the road.


That was some GOOD thinking! thumbsup Uber was like your guardian angel that day! I'm glad everything worked out,whew!
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 0W20



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#4460829 - 07/16/17 11:00 AM Re: Magnetic drain plug failure. [Re: Kira]
aquariuscsm Online   content


Registered: 12/30/06
Posts: 18151
Loc: Dallas,Tx USA
Originally Posted By: Kira
Is this logical?

Someone told me "name brand" lug bolts can actually tighten themselves whilst in service.
The someone was a dealership parts counterman.

Therefor, could it be that cheap bolts would do the opposite?

I'm climbing into my _____proof suit now.


I've actually heard that very same thing too.
_________________________
1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Pennzoil Platinum 0W20



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#4460839 - 07/16/17 11:13 AM Re: Magnetic drain plug failure. [Re: Vladiator]
simple_gifts Offline


Registered: 07/26/04
Posts: 11943
Loc: Middlesex County CT
Had he had his oil changed @ a quiky lube, the entire thread would have been about.....
_________________________
2004 Prius; 92K ML Syn 5W-30
2007 Yaris 68K 0w-40 Castrol
2006 B2300;130K;ALM


Was driving an ox cart; Now on the USS Enterprise

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