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      08-18-2016, 04:25 PM   #243
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Thicker as it gets hotter?
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      08-18-2016, 04:36 PM   #244
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I know right? That is what I have read in multiple places in professional literature. It seems to defy logic.
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      08-18-2016, 04:48 PM   #245
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On page 5 of this post, there are some pics of the procedure from what looks like the Bentley manual that state it expands with temperature.

I guess using the word thicker was not necessarily accurate.
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      09-01-2016, 06:31 PM   #246
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Hey everyone, my name is Bob and I am the new guy...so I expect some eye rolling on what I'm going to tell you.

I've been a mechanic most of my adult life, and usually get resistance when I try to inform folks about "real life", outside of the repair manual.

This post has to do with the terrible fluid some of you have been using, through no fault of your own. I'm speaking about GM DEX VI.

This fluid was designed by committee , with a real emphasis on vehicle gas mileage.

Not regarding transmission life, not regarding shift quality.... just MPG.

The stuff is water thin, shears done quickly to get even thinner, and leads to many complaints of transmission and converter shudder.

It also doesn't do much for the life of your hard parts.

The stuff is so bad, Allison Transmission ( a part of GM) forbid its use in their automatics, so they invented their own fluid.

Fortunately, for those with GM tranny's in their BMW's, like my daughters 328i, this fluid is completely compatible with Dex VI fluid, seals, and shift programming.

When you by it from the Allison dealer, its callled Transynd. The keyword here is "TES-295". Thats the coding spec the fluid must meet.


Other fluids are available, that meet this spec.... see below.
http://www.allisontransmission.com/p...highway-fluids

Personally, I run the Mobil "Delvac" in everything I own.. which is 7 GM vehicles and 1 BMW.

In my Duramax trucks, I run it to 85k miles, and when I drain it, it looks brand new, cherry red, with barely anything in the pan. Shift quality is much better than DEX VI too.

To swap it out in the BMW. Drop the pan and swap the filter... refill, and get it close to full. No need to get out the eyedropper, your only going around the block a few times. After you go around the block a few times, drain the pan again... and refill. On the final refill, spend the time to get the fluid level right.

This dump , refill, dump, and refill with get about 90% of the fluid swapped out.

After this, you are good to go. This stuff lasts 100k miles plus in applications like Metro Buses, Trash Trucks, and other extreme enviroments.

It will last forever, in these little, lightly loaded cars.

Hope this helps someone, who is considering servicing their tranny...

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      09-05-2016, 03:46 AM   #247
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Quote:
Originally Posted by hardr85 View Post
I just wanted pass my experience on so it might help others. There are a lot of posts on here with people having trouble with the fluid level/amount they could get back in.

You have to take the fluid temperature into consideration when draining and filling. The tranny fluid gets thicker when it gets hotter.

I did a drain and fill, then a month or two later changed the pan and 5 more quarts. The first drain and fill, I used INPA to monitor temp. The second time, I checked the temp with INPA before I topped it off, but did not monitor.

Cut to several months later, I have a slip going from 5 to 6 over 3K rpm. Normal driving is OK, and I have a delay going into reverse.

Not monitoring the fluid temp during the filter change made the temp go above desired range. it took longer to get the fluid in, and I believe I started with the temp in the 40's C range. I am sure the temp got too hot, because I just checked the fluid yesterday after several months of driving, and it took another quart. This time I started at 30C and ended at 35C.

There is a post somewhere here that has pics of Bentley manual stating that it is best to check fluid level at 30C for it to be most accurate.

Make sure and monitor your temp during the top off/fill procedure to get proper amount in tranny.

I just hope I didn't do any permanent damage.
I've switch to F30 few months ago and I am not reading this thread often

Anyway, this is impossible to put in one quarter just because of temperature, you probably haven't completed procedure properly, check my post where I've comment about 2l more in next post :

http://www.e90post.com/forums/showpo...&postcount=229
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      10-03-2016, 02:56 PM   #248
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Remember to make sure that the car is on a completely level surface and also be sure to overfill the tranny fluid to start out with. Then you know what is going on inside the pan because some nooks in the filter take some time for the oil to seep into. I also recommend using 4 jack stands if you don't have a lift. Although this could be potentially dangerous, it is still very important that you keep the vehicle as level as possible.
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      06-19-2017, 07:31 PM   #249
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Quote:
Originally Posted by Scooterfreeride62 View Post

The best way to get your oil level right is after you install filter/pan and torque the bolts. Is fill the trans until oil comes out the fill plug and loosely install the plug. start the car up and run the trans through the gears with foot on the brake pedal. then shut the car off remove the fill plug and top off the oil level again which could be about two or more liters. loosely install the fill plug and start the car again and run the trans through the gears again. then with car still running check the level again and adjust again if needed. loosely reinstall the plug again. and let the car run until the trans temp is up to the temp written on the trans pan. I used a Non Contact thermometer pointed it at the pan in several locations to get this temp. or if you have device that plugs in the OBD II port and interfaces with the trans ECU and uses the trans temp probe to measure fluid temp. I waited until oil temp was at the upper part of temp scale that is written on the pan then I removed the fill plug and let the excess oil drain out until it was dripping slowly out the fill plug. Then reinstall plug & torque.Take the car for a test drive and warm up trans to operating temps. then check for leaks and if none found you should good to go!!
Tip: make sure the engine is running for the final check on the fill plug.

Story: I just changed my ATF in my 92k mile wagon with Valvoline Synthetic from Amazon ($40 for 6 quarts). I had 5.5 quarts come out, but could only put 4 back in, which made me pretty concerned about driving it. I didn't understand that the transmission would pull fluid in while running. But after reading a ton of posts, and watching some youtube videos, I realized that the engine must be running during for the final check. When I did this, another 1.5 quarts went in! Much smoother shifting now, and no gargling sound. Thanks everyone!
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      06-29-2017, 07:28 PM   #250
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Just did this change today on my 6at. Not sure how much drained, but I refilled it with 7 liters & other than the initial non-running fill, it didn't seep out of the fill hole. Is this ok? What is the oil capacity?
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      06-30-2017, 12:48 AM   #251
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Quote:
Originally Posted by Giggling_Donkey View Post
Just did this change today on my 6at. Not sure how much drained, but I refilled it with 7 liters & other than the initial non-running fill, it didn't seep out of the fill hole. Is this ok? What is the oil capacity?
From what I've read, 10 quarts. 7 litres is more than most people pull out, but if you let it drain overnight or for more than 1 hour, that could make sense. If the engine is on and the car is level, keep filling until fluid comes out of the fill hole...
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      07-04-2017, 04:21 PM   #252
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Question Any ATF Blackstone long term analysis on non- zf Lifeguard oil ?

Has anyone done a Blackstone oil analysis on the non- ZF LifeGuard oil ? I'm sure many of us would like to know the long term results .
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      10-03-2017, 01:40 PM   #253
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Hello everyone. This will be my last post. I am selling my BMW. I just changed the fluid and as always smooth as silk. Good luck and remember check the specs of the fluid to make sure it is an approved oil. Good luck and happy motoring. The car now has 171,000 miles.
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      11-27-2017, 01:49 PM   #254
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I just performed this service, this past weekend. The car only has 104,000km and the fluid was not that dirty but the 1-2 shift is a bit smoother.

I used a ramp and then jacked the rear until the car was level. The best way to check for level is put a magnetic level on the pan, I also checked for level in the trunk as it flat. None of the body panels are level, so those can be misleading.

Tools: 8mm socket for cover, transfer pump, 17mm wrench of fill plug, and hex key 6mm ( I think) for drain.

As others have pointed out, final fill must be done when car is running, that is very important because I added another 2L when it was running.

For those living in Canada, Canadian Tire carries Dexron VI and it states that it is licensed by GM to produce it. It is $7 / L, much better than the $15/L BMW wants.
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