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Which 75/90 gear oil for AWD ATS? #5420278 05/03/20 08:42 PM
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Dd3 Offline OP
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Hi guys. I have a 2014 ATS AWD. It’s time to change the front and rear gear oil. I don’t THINK I have LS due to it being AWD. Can I use off the shelf stuff like M1 or Valvoline 75/90 that contains the friction modifier or will that be a bad thing if I, in fact, do NOT have LS? I didn’t know whether I could use Mobil 1 or Valvoline or if I HAD to get the Delco stuff from the dealer.
Thanks

Last edited by Dd3; 05/03/20 08:51 PM.

2014 Cadillac ATS 2.0T AWD
Re: Which 75/90 gear oil for AWD ATS? [Re: Dd3] #5420287 05/03/20 08:51 PM
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Your owners manual should have recommended fluids listed. If you don't have the manual, check on the tag on the driver's door column. It's the one with tire pressures and should have other information about the car. It should have a bunch of codes including ones for the axle type. If you can find that, you can google for it to see if you have limited slip.

Re: Which 75/90 gear oil for AWD ATS? [Re: ripcord] #5420294 05/03/20 08:56 PM
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Originally Posted by ripcord
Your owners manual should have recommended fluids listed. If you don't have the manual, check on the tag on the driver's door column. It's the one with tire pressures and should have other information about the car. It should have a bunch of codes including ones for the axle type. If you can find that, you can google for it to see if you have limited slip.

I had this saved to my phone already to have the vin handy, lol. Is this the one?

18982B03-9780-4DD4-9C19-AFAAF1E07638.jpeg
Last edited by Dd3; 05/03/20 09:22 PM.

2014 Cadillac ATS 2.0T AWD
Re: Which 75/90 gear oil for AWD ATS? [Re: Dd3] #5420296 05/03/20 08:59 PM
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Here is your owners manual.

https://my.cadillac.com/content/dam...adillac/ats/2014_cadillac_ats_owners.pdf

You might also consider doing the transfer case.


Cadillac ATS.JPGCadillac transfer case.JPG
Last edited by Snagglefoot; 05/03/20 09:03 PM.

If you want the job done right......do it yourself.
Re: Which 75/90 gear oil for AWD ATS? [Re: Snagglefoot] #5420303 05/03/20 09:09 PM
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Thank you, sir. Yes, good idea while it’s up in the air. I’m at 65k or so so I’m just in between the “normal” and “severe” conditions schedules.


2014 Cadillac ATS 2.0T AWD
Re: Which 75/90 gear oil for AWD ATS? [Re: Dd3] #5420305 05/03/20 09:10 PM
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I believe Valvoline and Castrol make suitable products if you don't want AC Delco.

Last edited by Snagglefoot; 05/03/20 09:12 PM.

If you want the job done right......do it yourself.
Re: Which 75/90 gear oil for AWD ATS? [Re: Snagglefoot] #5420310 05/03/20 09:16 PM
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Dd3 Offline OP
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Thanks guys. I’m thinking about having this done at a trans shop only bc it’s so tight to get under my car even on ramps. I’d imagine those guys have the correct fluids being that they do this all day long, but do you guys think I should grab all the fluids from the dealer and take it to them?


2014 Cadillac ATS 2.0T AWD
Re: Which 75/90 gear oil for AWD ATS? [Re: Snagglefoot] #5420311 05/03/20 09:17 PM
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I did actually read that the synthetic Valvoline Gear oil met an even tighter spec than did the M1.


2014 Cadillac ATS 2.0T AWD
Re: Which 75/90 gear oil for AWD ATS? [Re: Dd3] #5420315 05/03/20 09:20 PM
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Originally Posted by Dd3
Thanks guys. I’m thinking about having this done at a trans shop only bc it’s so tight to get under my car even on ramps. I’d imagine those guys have the correct fluids being that they do this all day long, but do you guys think I should grab all the fluids from the dealer and take it to them?


It a nice car. I would take it to a GM Dealer. Its not like you have to do this every 6 months.
smile


If you want the job done right......do it yourself.
Re: Which 75/90 gear oil for AWD ATS? [Re: Snagglefoot] #5420332 05/03/20 09:54 PM
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75w90
Originally Posted by Snagglefoot
Here is your owners manual.

https://my.cadillac.com/content/dam...adillac/ats/2014_cadillac_ats_owners.pdf

You might also consider doing the transfer case.


Funny neither part number is in the AC Delco website:
https://www.acdelco.com/parts/oils-fluids

But in Summit Racing, it is a conventional GL-5 lube
https://www.summitracing.com/int/parts/ado-10-4061/overview

75w90 GL-5? Can always go with Amsoils SVG 75w90


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Re: Which 75/90 gear oil for AWD ATS? [Re: Dd3] #5420337 05/03/20 10:01 PM
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Originally Posted by Dd3
I did actually read that the synthetic Valvoline Gear oil met an even tighter spec than did the M1.


Source?

Re: Which 75/90 gear oil for AWD ATS? [Re: Dd3] #5420345 05/03/20 10:11 PM
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Just get brand name gear oil should be sufficient for your ATS.

For sensors and electrical parts, you need to buy ACDelco OE parts but not necessary for oil.


  • 2017 Toyota Sienna
  • 1995 GMC Suburban 6.5L Turbo Diesel


Re: Which 75/90 gear oil for AWD ATS? [Re: Snagglefoot] #5420373 05/03/20 10:56 PM
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I appreciate that. Thanks. Sounds like a plan


2014 Cadillac ATS 2.0T AWD
Re: Which 75/90 gear oil for AWD ATS? [Re: JHZR2] #5420376 05/03/20 11:01 PM
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As far as the source of where I’d read about the Valvoline gear oil meeting a certain spec that the others didn’t cant find it now that I’m looking for it, but it was a post somewhere on this forum about it, actually.

Last edited by Dd3; 05/03/20 11:03 PM.

2014 Cadillac ATS 2.0T AWD
Re: Which 75/90 gear oil for AWD ATS? [Re: Dd3] #5420385 05/03/20 11:30 PM
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Originally Posted by Dd3
As far as the source of where I’d read about the Valvoline gear oil meeting a certain spec that the others didn’t cant find it now that I’m looking for it, but it was a post somewhere on this forum about it, actually.

MIL-PRF-2105E?


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