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5W20 walmart Full Syn bad smell #5136497 06/17/19 10:18 AM
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ragtoplvr Offline OP
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Funny Smell on Walmart 5W20 full syn, Dexos 2 certified

Opened the container and it smelled somewhat like sulfured gear lube. It had all appearances of factory sealed, and was very thin, viscosity similar to transmission fluid, so I do not think someone put in gear lube. Is this normal now?. I have been using the dexos 2 5W30 in my car. Changing by the oil life monitor, it gets changed once a year or so. I have that container with the extra ½ quart in it, and it does not have that smell. Is this normal?

Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5136500 06/17/19 10:26 AM
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jbutch Offline
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Since it's 5w20, I think you mean Dexos 1 Gen 2, Dexos 2 is a different animal.

What color is it?

I've seen users on this forum that had suspicious Supertech oils. Can't remember which thread.

Last edited by Kestas; 06/17/19 12:31 PM. Reason: no need to completely quote the first post in the second post

2015 Forester XT @ 104k km
Current fill: Pennzoil Euro LX 0w-30 with Fram Ultra XG7317
Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5136513 06/17/19 10:41 AM
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skyactiv Offline
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Likely a formula difference between the two.

Transmission fluid has a similar viscosity to a 5W20 I thought. There are some oils that have a distinct smell.
I remember about 12 or so years ago, some oils having a pungent or a different smell to them. I wasn't around here at the time. Nothing harmful.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 18' Elantra Sport 6 speed manual
The rude guy that points out reality


Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5136514 06/17/19 10:41 AM
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Linctex Offline
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Originally Posted by ragtoplvr
it smelled somewhat like sulfured gear lube. ..... was very thin, viscosity similar to transmission fluid,


You just perfectly described Harley-Davidson Primary case & sportster transmission lube.

It's a thin oil that won't be much thicker than ATF, to be honest. You are probably smelling some "extreme pressure" additives.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: 5W20 walmart Full Syn bad smell [Re: jbutch] #5136522 06/17/19 10:53 AM
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ragtoplvr Offline OP
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Yes my bad, Dexos 1 gen 2 It was the normal oil color, same as 5W30 WM Full Syn. I suspect it was factory sealed, it had the screw off seal intact, and the then plastic foil type OE seal correctly applied.

I am using it.

Rod

Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5136549 06/17/19 11:24 AM
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ARCOgraphite Offline
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The 5w20 SUPERTECH from WPp I put in my Rogue smelled nasty too.

It also didn't run too well on that fill but that engine was flaky anyhow,

Was it Supertech of some other supplier?

No Honey mint scent here!

Last edited by ARCOgraphite; 06/17/19 11:30 AM.

2019 VW Jetta S 6MT OCI#2 7378mi-MOTUL Specific VW508.00+VW Service Filter; '17 Subaru Crosstrek CVT OC#8 60864mi-Subaru Idemitsu 0W20 + SOA Filter
Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5136603 06/17/19 12:26 PM
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aquariuscsm Offline
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QSUD has a sweet smell to it. Very distinctive. RP Synerlec oil had a rubbery atf type smell to it.


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
Quaker State Ultimate Durability 0W20

Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5136721 06/17/19 02:13 PM
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dave1251 Offline
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I use the 0W20 and it smells like motor oil and pours like motor oil.


make the inside of your engine oil cap white.
don't use.
Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5136739 06/17/19 02:34 PM
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Pinoak Offline
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It's not cologne so I don't think its something to worry about lol.
Valvone maxlife atf has the strongest smell of all but it has been working well for like 150k miles for me.
I don't bother with 20weight motor oil but I do use supertech 5w30 both conventional and synthetic fairly often. It always smells looks and feels like motor oil lol. No problems ever either

Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5136746 06/17/19 02:48 PM
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Silverado12 Offline
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FWIW a little off subject but Merc V transmission fluid smells fishy, so maybe some of the additives WM uses have a funny smell to them too.


12 Chevy Silverado ext. cab LS, 2WD 4.3 auto
18 Mustang GT 5.0 auto
07 Harley Dyna Street Bob 96 c.i. 6 sp.
00 Mustang GT auto
Re: 5W20 walmart Full Syn bad smell [Re: Pinoak] #5136906 06/17/19 05:22 PM
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Mad_Hatter Offline
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Originally Posted by Pinoak
It's not cologne so I don't think its something to worry about lol.


👍

When y'all are done with the SuperTech, maybe we can figure out what's with the bad smell in my home office!😂


Last edited by Mad_Hatter; 06/17/19 05:22 PM.
Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5137844 06/18/19 06:58 PM
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ZZman Offline
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Can't say I ever remember smelling motor oil.


2007 Hyundai Santa Fe AWD.
2005 Toyota Avalon XLS
Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5138669 06/19/19 05:28 PM
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GaryPoe Offline
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You should smell the factory "Warren Distribution". Its normal, most people dont know what oil really smells like. You may have ever driven past an oil field, smells like rotten eggs and gunpowder.


2014 F150 STX 4x4 Sport, Super Cab 5.0L Coyote, OZ Omega Tuned, Leveled with 35" BFG TKO2, Banks Power Monster exhaust, jlt oil seperator 5w20 PPPP, Motorcraft fl-500-s
Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5139129 06/20/19 09:31 AM
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KevinP Offline
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Fully synthetic gear oil smells like arse too. As does the Valvoline ATF Maxlife. Don't get that stuff on your hands before dinner.

Re: 5W20 walmart Full Syn bad smell [Re: ragtoplvr] #5142210 06/23/19 07:48 PM
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Loobit Offline
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So at my Kia dealer shop we use Valvoline bulk oils. The cheap synthetic blend oil kinda has a smokey smell to it, and the full synthetic oil has a sulfur kinda smell to it. It's part of the additive pack. Royal Purple oil has the same smell if that matters lol.

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