New GM Spec Oil
DIY oil changes have faced challenges over the years. Some cities considered banning DIY oil changes to prevent disastrous pollution from used oil. Strong public support for DIY oil changes has led to good solutions, like education and mandatory oil recycling, in most places.
The latest challenge could be coming from General Motors. Traditionally, car manufacturers specify different oil weights (5W30) or broad categories like synthetic, but they all use the same oil standards (currently ILSAC GF-5 for gas engines) and leave it up to the vehicle owners or repair shops to choose their favorite oil brands.
Now GM is changing the status quo by requiring their proprietary, Dexos™ oil be used in new GM cars beginning in 2011. GM says Dexos™ offers more miles between oil changes. Skeptics say Dexos™ is probably very similar to GF-5. This proprietary oil will certainly bring licensing fees and royalties to GM. However, it might also alienate new GM car owners who discover a Dexos™ oil change is more expensive and initially only available at new car dealerships. Exclusive oil does not offer owners much cachet.
Car manufacturers have required special, secret-formula transmission, power steering, and other fluids in the past. After a few years, the fluid manufacturers often figured out how to create a fluid that met both the single car manufacturer’s testing standards as well as the standards everybody else was using. Proprietary, dealer-only fluids might be accepted in Europe or other parts of the world, but DIY and independent repair shop fluid changes just have too much support in the United States. I am guessing the Dexos™ standard will eventually just be another footnote on an oil bottle label.
I spent a couple hours looking for any oil in the local auto supply stores, and found NOTHING. I ended using the Mobil 1 (GM4718M) that I use in the vette, and trailblazer ss. I'm a bit angry, still, that they made this a requirement of the vehicle before the oil is available.
If you dont use it and have a failure in the engine, then the claim will be denied. GM will (well, most likely will require the oil sent off for inspection. No different if you had a Toyota, Nissan, or Mitsubishi with a CVT transmission and used the wrong fluid (not reg ATF and can not cross fluids from diff manufacture) they will deny any repair.





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If you dont use it and have a failure in the engine, then the claim will be denied. GM will (well, most likely will require the oil sent off for inspection. No different if you had a Toyota, Nissan, or Mitsubishi with a CVT transmission and used the wrong fluid (not reg ATF and can not cross fluids from diff manufacture) they will deny any repair.
But I see this and all the changing laws are very soon going to put all of us who want to do anything to our cars making it illegal, or forcing us to use GM or any manufacturer Only service dealer's. SEMA is trying to fight for us, but the damn government is constantly changing the laws. I just had County Corvette Inc. swap out my stock exhaust for a Corsa 'Pace Car' cat back system and I'm sure in a few years they are going to force that changing it is illegal. One state I think it's RI that outlaws aftermarket exhaust already. Around here as it is, you cannot have a vehicle on your property if it's immobile, unregistered. or uninspected. Even if your working on your car on your property out in the open, it's still illegal. I'm lucky as I have three garages, I keep the vette in one and rent out the other two.
God D&^% country is going to all hell. Ya gotta get a permit to flush the damn toliet pretty soon !
Last edited by killain; Dec 21, 2010 at 06:15 PM.
Current list: http://www.gmdexos.com/licensedbrands.html
Magnuson-Moss Warranty act of 1975
I certainly will be sitting on the sidelines laughing my butt off while GM or any manufacturer for that matter steps in the dog poo over this.
Now IF they provide all services free of charge, that's legal. BUT thats part of the warranty act requirements.
http://www.impalaclub.com/naisso/magmoss.htm
You would think they would be smart enough to know the laws.....but I forgot that they still don't even know how to run a business.....
Last edited by sfc rick; Dec 21, 2010 at 06:18 PM.
dumb VW. They change required specs for different years and individual engines. Only place to get oil for the turbo diesel is the dealer or online.
Current list: http://www.gmdexos.com/licensedbrands.html
-Alex






















