So, it is day 8 with Mobil1 synthetic ATF and there is absolutely no change in my tranny's behavior.
01-30-2005, 02:59 PM
#1
AudiWorld Super User
Thread Starter
So, it is day 8 with Mobil1 synthetic ATF and there is absolutely no change in my tranny's behavior.
My car still shifts smooth and there is no hunting. I drove it for over a week, three cold starts a day, over 350 miles mostly city driving only 50 miles HWY. Every time I or others changed something, it took 4-5 days for the TCU to learn and then the hunting came back. If you guys wait one more week, I will confirm that the hunting is related to the fluid. BTW, before I switched to Mobil 1 synthetic ATF, I had Audi fluid with less than 1000 miles and it was hunting like hell.
01-30-2005, 03:43 PM
#2
AudiWorld Super User
Thread Starter
I just changed the fluid in the tranny, 8 q. It still had 4 q in the TC.
I didn't know it will be much better so I did not flush the whole thing. I only changed to Mobil 1 because I ruined the fluid and it was Sunday, no Audi fluid available.
01-30-2005, 05:03 PM
#4
AudiWorld Super User
Thread Starter
All the fluid going though the TC.
It is always mixing and re-circulating, but you are not able to drain the TC, not even if you taking it out.<ul><li><a href="http://www.nemco.mb.ca/pds/mobil1_atf.pdf">http://www.nemco.mb.ca/pds/mobil1_atf.pdf</a</li></ul>
01-30-2005, 05:40 PM
#7
AudiWorld Super User
We should be able to figure out a way to do a complete flush. I've done it on other...
trannys by disconnecting the line at the radiator
and cranking/starting the engine while filling thru the dipstick. If you had another person using some sort of a power pump to keep filling (I used one on my drill for the last change) why wouldn't that work ?
Bob
and cranking/starting the engine while filling thru the dipstick. If you had another person using some sort of a power pump to keep filling (I used one on my drill for the last change) why wouldn't that work ?
Bob
Trending Topics
01-30-2005, 06:16 PM
#8
AudiWorld Member
Join Date: Dec 2004
Location: Minnetonka, MN
Posts: 261
Likes: 0
Received 0 Likes
on
0 Posts
Re: tozoA8 - I also changed my fluid 1500 miles ago to
Pennzoil Multi Vehicle Synthetic blend ATF fluid (7 quarts). My transmission immediately started shifting better and with reduced thumping. But I now am using tiptronic all the time. It will still thump in 4thand 5th after the back off-coast-apply light throttle situation. I am tuesday installing a new TPS and cleaning the MAF, then leaving on 4K mile trip. I will be bringing 10 qt Pentosium. filter, gaskets, instructions with me in case it gets really bad in Podunk. It is the torque converter that is locking-unlocking being told by the TCM to do so. I might try a new TCM if the TPS and MAF don't work. Even a new/rebuilt trnasmission is not a guarantee.
01-30-2005, 06:37 PM
#10
AudiWorld Super User
Thread Starter
I am just telling my experience. I did not tell anyone to change it.
although so far I would recommend it. I will drop the pan sometime next week to see what's going on. Just like I posted earlier, manufactures like to tell to customers that nothing else would work. They coloring the fluid blue,yellow (VW Audi )and so on. It will void the warranty if you change the fluid to a different type. The tranny is an expensive part of the car, so people afraid to switch to a different fluid ( especially if the dealer telling them, that it will ruin the tranny ). I have two trannys and I have free access to a lift and I didn't have Audi fluid on Sunday. I did not wanted to switch either, but my friend told me that he has a really tough time to believe that synthetic fluid will ruin the tranny.