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#2824110 - 12/04/12 07:29 PM Is DEXRON LS 75W-90 synthetic ?
VQ35DE Offline


Registered: 07/23/03
Posts: 117
Loc: UNION CITY, TN
Does anyone know for sure (one way or another) if DEXRON LS 75W-90 Gear Lube is synthetic, semi-syn or dino base gear lube ? The GM / AC-DELCO bottle it comes in does not say it is or isn't , but it does say it is on their 75W-90 Synthetic Gear Lube. Just need to know for 100% certainty.
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#2824132 - 12/04/12 07:39 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
oilboy123 Offline


Registered: 12/05/03
Posts: 6975
Loc: Everett, Washington
Dexron is normally reserved for the GM auto trans fluid.

Normally if something is a partial syn or full syn fluid any bottle will tout it as such. I would think it's just a non syn is my guess.
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#2824158 - 12/04/12 07:53 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
MolaKule Offline


Registered: 06/05/02
Posts: 19161
Loc: Iowegia - USA
If it is GM part number 88862624 (DEXRON LS GEAR OIL 75W-90) it is a Limited Slip Differential lube made by PetroCanada and has GroupII and III base oils.


Edited by MolaKule (12/04/12 07:54 PM)

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#2824259 - 12/04/12 09:13 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: MolaKule]
VQ35DE Offline


Registered: 07/23/03
Posts: 117
Loc: UNION CITY, TN
Originally Posted By: MolaKule
If it is GM part number 88862624 (DEXRON LS GEAR OIL 75W-90) it is a Limited Slip Differential lube made by PetroCanada and has GroupII and III base oils.


That is the part# , so it is not synthetic ?
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#2824291 - 12/04/12 09:40 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
martinq Offline


Registered: 07/22/05
Posts: 1041
Loc: ON, Canada
If it's a mix of group II/III oils then I'd say it's a synth-blend at best.

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#2824802 - 12/05/12 12:08 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: martinq]
Whitewolf Offline


Registered: 10/05/06
Posts: 2912
Loc: MI, USA
50/50.

A complete list can be found on gmpowertrain.com.
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#2824805 - 12/05/12 12:12 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: Whitewolf]
VQ35DE Offline


Registered: 07/23/03
Posts: 117
Loc: UNION CITY, TN
Can you post the link please ?
Thanks.
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#2825142 - 12/05/12 05:27 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
Whitewolf Offline


Registered: 10/05/06
Posts: 2912
Loc: MI, USA
I can but it's already been posted Let me find it for you.
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My definition of an expert in any field is a person who knows enough about what's really going on to be scared.
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#2825153 - 12/05/12 05:40 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
Whitewolf Offline


Registered: 10/05/06
Posts: 2912
Loc: MI, USA
Here it is GM Powertrain .
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#2825246 - 12/05/12 07:03 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
VQ35DE Offline


Registered: 07/23/03
Posts: 117
Loc: UNION CITY, TN
Not much info there.
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#2826551 - 12/06/12 10:34 PM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
VQ35DE Offline


Registered: 07/23/03
Posts: 117
Loc: UNION CITY, TN
I emailed them and got this :

Hi Brad,

Thank you for submitting your question to the Petro-Canada Lubricants website. Dexron LS Gear Oil 75W-90 is a synthetic extreme pressure automotive axle lubricant with limited slip top treat package. It is formulated for GM Axle Service Fill applications.

I hope that helps.

Regards,

Michael Kaufman
Technical Services Advisor
Petro-Canada Lubricants Inc.
Tel 1-888-877-6522
[email protected]
http://lubricants.petro-canada.ca/
Suncor Energy is the proud owner of Petro-Canada
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#2827935 - 12/08/12 07:32 AM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
Whitewolf Offline


Registered: 10/05/06
Posts: 2912
Loc: MI, USA
That's just a link to show you others that can provide that same product.
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My definition of an expert in any field is a person who knows enough about what's really going on to be scared.
~ PJ Plauger

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#2830109 - 12/10/12 11:05 AM Re: Is DEXRON LS 75W-90 synthetic ? [Re: VQ35DE]
VQ35DE Offline


Registered: 07/23/03
Posts: 117
Loc: UNION CITY, TN
I asked for some clarification and got this email reply :

Hi Brad,

Yes. Dexron LS Gear Oil 75W-90 is fully synthetic.

Please do not hesitate to contact me if you have any further questions.

Regards,

Michael Kaufman
Technical Services Advisor
Petro-Canada Lubricants Inc.
Tel 1-888-877-6522
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