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2007 Escalade Ext AWD Gear Oil #4530473
09/30/17 05:41 PM
09/30/17 05:41 PM
Joined: Sep 2017
Posts: 27
canada
apollo18 Offline OP
apollo18  Offline OP
Joined: Sep 2017
Posts: 27
canada
hey guys! im confused about the gear oil in my truck. its supposed to be 75w90 but GM says that we are NOT supposed to use LS additives/Friction Modifiers. I have seen that some oils already have those additives inside. Is that ok If i use that? I will NOT be adding any extra additives, im just gonna drain and fill. Local availability in canada here has Amsoil and Royal Purple so im gonna go with one of the two. Do i need to buy the GM fluid that apparently doesnt have those additives or can I just drain and fill with amsoil or royal purple

thanks

Re: 2007 Escalade Ext AWD Gear Oil [Re: apollo18] #4530475
09/30/17 05:48 PM
09/30/17 05:48 PM
Joined: Sep 2017
Posts: 13
Oregon
OilyMember Offline
OilyMember  Offline
Joined: Sep 2017
Posts: 13
Oregon
No need for GM fluid run either Royal Purple or Amsoil

Re: 2007 Escalade Ext AWD Gear Oil [Re: OilyMember] #4530486
09/30/17 05:56 PM
09/30/17 05:56 PM
Joined: Sep 2017
Posts: 27
canada
apollo18 Offline OP
apollo18  Offline OP
Joined: Sep 2017
Posts: 27
canada
so the additives present in those two fluids are fine? and just not to add anything more which i would never do

Re: 2007 Escalade Ext AWD Gear Oil [Re: apollo18] #4530824
10/01/17 03:08 AM
10/01/17 03:08 AM
Joined: Sep 2015
Posts: 2,260
Malaysia
zeng Offline
zeng  Offline
Joined: Sep 2015
Posts: 2,260
Malaysia
Yes.

Re: 2007 Escalade Ext AWD Gear Oil [Re: apollo18] #4531703
10/02/17 12:05 AM
10/02/17 12:05 AM
Joined: Jun 2017
Posts: 388
Western usa
Ammofirst Offline
Ammofirst  Offline
Joined: Jun 2017
Posts: 388
Western usa
What fluid does the transfer case take in that truck?

Re: 2007 Escalade Ext AWD Gear Oil [Re: apollo18] #4531704
10/02/17 12:06 AM
10/02/17 12:06 AM
Joined: Jun 2017
Posts: 388
Western usa
Ammofirst Offline
Ammofirst  Offline
Joined: Jun 2017
Posts: 388
Western usa
What fluid does the transfer case take in that truck?

Re: 2007 Escalade Ext AWD Gear Oil [Re: apollo18] #4531865
10/02/17 08:44 AM
10/02/17 08:44 AM
Joined: Feb 2011
Posts: 6,719
Hudson, NH
LeakySeals Offline
LeakySeals  Offline
Joined: Feb 2011
Posts: 6,719
Hudson, NH
I use M1 75w90 front and rear. Cheapest at AZ. The Walmarts around me don't sell it. Check your manual for proper fill height. Mine was not fill till it drips out. It was lower (5/8" below fill hole front, 5/8 - 1-5/8 below rear) If you had to choose between the two, no doubt do the front diff. I'm changing that once a year, always dirty, always kind of silver which is bad. The rear was done for the first time at 100k. Came out almost perfect.


06 Escalade 6.0L LQ9 AWD 165k M1 5w30
03 Maxima 3.5L POS 152k ST HM 10w30

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