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#4510320 - 09/07/17 07:17 PM What gives ATF its distinctive scent?
fdcg27 Offline


Registered: 09/25/09
Posts: 15687
Loc: OH
We all know that ATF is little more than a light oil with a light add pack that's usually dyed red.
We also all know that it has a very distinctive scent.
Why?
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#4510350 - 09/07/17 07:49 PM Re: What gives ATF its distinctive scent? [Re: fdcg27]
69GTX Offline


Registered: 09/23/15
Posts: 3815
Loc: Connecticut
How about the special friction modifiers? Sulfur is found in gear oils and ATF's....probably not so much in motor oils. That could be the stink factor.
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#4510384 - 09/07/17 08:19 PM Re: What gives ATF its distinctive scent? [Re: fdcg27]
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
Amines:

1) Oxidation inhibitor

2) Friction modifiers

3) Metal deactivators

Phosphorus;

1) Anti-wear

2) Phosphorilated Boron


Edited by MolaKule (09/07/17 08:29 PM)

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#4510419 - 09/07/17 08:59 PM Re: What gives ATF its distinctive scent? [Re: fdcg27]
DB_Cooper Offline


Registered: 10/01/07
Posts: 401
Loc: Ga
Valvoline MaxLife ATF must have a lot of something in it..it really stinks..but a great ATF

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#4510434 - 09/07/17 09:19 PM Re: What gives ATF its distinctive scent? [Re: DB_Cooper]
Kira Offline


Registered: 08/19/10
Posts: 5208
Loc: Champlain/Hudson Valley
I was just inhaling MaxLife Dex/Merc LV today. Full synthetic (base?).

Wolf's Head ("The Finest of the Fine since 1879")-BEAT THAT!-Super Universal Synthetic Transmission Fluid barely smells at all.

I don't recall the Mobil3309 smelling. Kira

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#4510478 - 09/07/17 10:18 PM Re: What gives ATF its distinctive scent? [Re: fdcg27]
Merkava_4 Offline


Registered: 01/30/07
Posts: 17501
Loc: Clovis, CA
Maybe they should give it a strawberry scent. Everything else in the world has a scent added, why not ?

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#4510514 - 09/07/17 11:59 PM Re: What gives ATF its distinctive scent? [Re: Merkava_4]
L_Sludger Offline


Registered: 10/04/09
Posts: 3947
Loc: Ohio
Originally Posted By: Merkava_4
Maybe they should give it a strawberry scent. Everything else in the world has a scent added, why not ?
Foul odors, as we humans and most animals perceive them to be foul, are a crucial safety feature now of many poisonous chemicals, especially automotive lubricants.
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#4510694 - 09/08/17 09:05 AM Re: What gives ATF its distinctive scent? [Re: L_Sludger]
MotoTribologist Offline


Registered: 02/03/16
Posts: 562
Loc: NJ, USA
Originally Posted By: L_Sludger
Originally Posted By: Merkava_4
Maybe they should give it a strawberry scent. Everything else in the world has a scent added, why not ?
Foul odors, as we humans and most animals perceive them to be foul, are a crucial safety feature now of many poisonous chemicals, especially automotive lubricants.

We had a customer many years ago chug some engine oil. It was scented like bubblegum I believe and he said "It smelled so good I just couldn't resist". duh

Directed to poison control......

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#4510699 - 09/08/17 09:11 AM Re: What gives ATF its distinctive scent? [Re: Merkava_4]
mightymousetech Offline


Registered: 04/03/17
Posts: 1444
Loc: Ontario, Canada
Originally Posted By: Merkava_4
Maybe they should give it a strawberry scent. Everything else in the world has a scent added, why not ?


And this is how stupid people end up drinking the stuff.

Although....

https://www.amazon.ca/Allstar-ALL78124-Cherry-Fuel-Fragrance/dp/B007ZQS1US


Edited by mightymousetech (09/08/17 09:13 AM)
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#4510811 - 09/08/17 11:55 AM Re: What gives ATF its distinctive scent? [Re: DB_Cooper]
Chester11 Offline


Registered: 04/13/17
Posts: 125
Loc: PA
Originally Posted By: DB_Cooper
Valvoline MaxLife ATF must have a lot of something in it..it really stinks..but a great ATF


Noticed this too - it really smells bad.....

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#4511014 - 09/08/17 04:19 PM Re: What gives ATF its distinctive scent? [Re: fdcg27]
dlundblad Offline


Registered: 09/30/13
Posts: 10002
Loc: Indiana
I think ATF smells good.

Maxlife, 3309, ATF+4.. It all smells good.
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#4511082 - 09/08/17 06:15 PM Re: What gives ATF its distinctive scent? [Re: Merkava_4]
01rangerxl Offline


Registered: 04/08/06
Posts: 9246
Loc: Birmingham, AL
Originally Posted By: Merkava_4
Maybe they should give it a strawberry scent. Everything else in the world has a scent added, why not ?

ACDelco 75W90 is "grape" scented.
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#4512255 - 09/10/17 11:43 AM Re: What gives ATF its distinctive scent? [Re: 01rangerxl]
MolaKule Offline


Registered: 06/05/02
Posts: 19042
Loc: Iowegia - USA
Originally Posted By: 01rangerxl
ACDelco 75W90 is "grape" scented.


No doubt an excellent differential lube but it is dyed and scented for product differentiation for warranty purposes.

Rarely do GM dealers use this lube for fluid replacement after warranty because of cost. In fact, they use a Valvoline product after warranty.



Edited by MolaKule (09/10/17 11:44 AM)

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#4516214 - 09/14/17 03:20 PM Re: What gives ATF its distinctive scent? [Re: 01rangerxl]
Bgallagher Offline


Registered: 04/17/12
Posts: 3159
Loc: Boston, MA
Originally Posted By: 01rangerxl
Originally Posted By: Merkava_4
Maybe they should give it a strawberry scent. Everything else in the world has a scent added, why not ?

ACDelco 75W90 is "grape" scented.


+1 It is a pleasure using that stuff versus other gear oils. Gear oils have to be one of the worst smelling fluids out there.
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#4517642 - 09/16/17 08:19 AM Re: What gives ATF its distinctive scent? [Re: fdcg27]
NoNameJoe Offline


Registered: 06/03/15
Posts: 414
Loc: New York
I noticed Honda ATF has a nice slightly bitter smell to it, then I tried some Dex/Merc stuff for another car, Castrol multi-import ATF smelled awful like fish. Then I tried Valvoline and that smelled like [censored]. Spilled some Mobil 1 75W-90 gear oil and it smelled like rotten eggs due to sulfur.

Quote:
ACDelco 75W90 is "grape" scented.
I just looked it up, I'm amazed. They actually used it as a bulletpoint for the item description:
Quote:
Improved formula includes a grape scent for a more pleasant application experience
That's cool.

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