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Originally Posted by Y_K We cannot really verify the proper fill level for an alternative fluid as the level depends on temperature, and WS is [in]famous for quite different thermal expansion coefficient. Make this one parameter just another crazy variable. Good to hear that you can enjoy your...

Originally Posted by clinebarger Thanks for the update! Absolutely! Drives me nuts when someone doesn't report back. Originally Posted by Rhymingmechanic Thanks for the update, OP. As somebody still living in the ATF dipstick days, I'm curious if this has one of the more fussy "sealed" trans...

Car is all good after many more miles testing the trans out. Must've been acting up from only a half quart low out of 12. Interesting.

Originally Posted by doitmyself I agree with JTK (great minds.......) Originally Posted by Bulletbling The fluid level was checked by the tech (who is always assigned to me whenever I come in as I'm picky with my cars) prior to the change and it was fine apparently. Your outcome throws a...

Originally Posted by hallstevenson Seems like the Maxlife might have been just fine for this transmission after all.... If filled to the proper level (which was emphasized over and over and over to be checked before dumping the fluid). When it was stated the fluid level was checked, it was...

Originally Posted by clinebarger Many fast/hard accelerating vehicles have issues with the Filter/Pick-up becoming uncovered. The 6L90E in the CTS-V & ZL1 is a perfect example of this phenomenon.....We overfill them by 1/2 to a full quart. Another thing to be mindful of, Did the filter get...

It seems to be fine now, but I'll report back at some time in next several days to confirm. He said most vehicles won't be picky over half a quart and he wouldn't give it a second look if that was the case on a vehicle, but that if the fluid being less than a quart low was causing the issue...

Shop is looking at it now. Topped off fluid with what was said to be less than a quart and it's being test driven now.

We'll, I spoke too soon. The transmission slipped out of gear for a good ten seconds today on my way into town and transmission went into limp mode. Now I don't know if it was the fluid or the flush that did it, or if it was low. She only has 43k miles on her. I'll keep everyone updated. The...

Originally Posted by cpayne5 Originally Posted by Bulletbling Originally Posted by cpayne5 Originally Posted by GZRider Maxlife is a very good fluid, but I would not use it in the new GM 8 speed, which has been having studder issues with a variety of quality ATF's. I think Mobil1 and Castrol...

Car is behaving normally again with the WS-type fluid from ACDelco. I guess MaxLife isn't the best option for a WS-type application for anyone wondering. The transmission operated and didn't fail or anything, but it didn't operate as smoothly as it could and it didn't give me confidence in the...

Originally Posted by cpayne5 Any update, OP? New fluid is going in today or tomorrow. Just got back from vacation and appointment is scheduled for today. I'll keep you posted. Originally Posted by cpayne5 Originally Posted by GZRider Maxlife is a very good fluid, but I would not use it in the...

Originally Posted by alchargo As slacktide and E150gt have already pointed out, I doubt the problem is with the fluid and instead an issue with the transmission itself. There are numerous complaints about the 8L80E and 8L90E describing your exact symptoms. There's even a class action lawsuit...

Originally Posted by RyanY Originally Posted by Bulletbling The transmission was completely flushed, with 15 quarts used in total. If the flush was done with a flush/exchange machine the level should be close, assuming it was correct before. However it is still a good idea to verify the fluid...

Originally Posted by SubieRubyRoo Originally Posted by JustN89 Maxlife has the correct viscosity for WS fluid, so I'm going to side with clinebarger and others here- the most likely culprit is that your fluid level is wrong. Did you service this yourself or did you take it somewhere? Correct...

What's weird is I actually called Valvoline and they said that their fluid was compatible with the WS spec for Cadillac. I think by compatible, they meant that the trans would not fail. Lol. Anyways, everybody on the Cadillac forum loves this transmission, and in my opinion, it's the best...

Hey all, I just had my 2014 Cadillac CTS VSport with the Aisin 8-speed serviced with MaxLife ATF and now the transmission is acting funny. Only 44k miles on the car and the transmission calls for GM WS-type fluid. I read on this very forum that WS fluid can be replaced with ATF such as MaxLife...

What's interesting is that a little over a week ago I added the regular blue STP oil additive into the crank with my Rotella T6 5w40. I knew the stp oil additive wasn't really an additive and didn't work as one but just an oil thickener (viscosity improver according to the container which is the...

Originally Posted By: Garak I've never found a magic bullet for a vehicle that burns oil, other than fixing the issue, which isn't always cheap, either. The best band aid is to minimize the cost of the oil going in, since it's also going out at an accelerated rate. I understand what you mean...

Originally Posted By: Garak Originally Posted By: Bulletbling I am a pizza delivery driver so i start my engine several times per day and a 15w seems like itd cause a lot of wear for what i do but ive read that my 1.8L 1ZZFE doesnt really wear out. The engine isn't going to get significantly...