R56 Tranmission fluid fubar
#1
I need a second head on this thought. So I went to fill my transmission, long story short I lost a lot of fluid- I was able to measur out around 2 quarts hot 100+ degrees. So I poured 2 1/2 quarts back in which was slightly warm. Now I'm worried about under filling- but I assume it was more likely over filled, but it's better to run slightly overfilled. Nothing's come out of the breather hose though, when it's all warmed up and moving.
How much tolerance do this aisin autos have?
How much tolerance do this aisin autos have?
#2
Normally if you have the incorrect fluid level it will shift very erratic. Slame shift, shift skip, or not shift at all.. The key to proper level is checking the transmission at the right temp. The Aisin autos are a very good transmission but the way to keep them like that is to do fluid changes!
#3
Normally if you have the incorrect fluid level it will shift very erratic. Slame shift, shift skip, or not shift at all.. The key to proper level is checking the transmission at the right temp. The Aisin autos are a very good transmission but the way to keep them like that is to do fluid changes!
I don't believe it is slam shifting. When accelerating it still shifts somewhat abruptly but I am stage 5 tuned so that seems normal. It is also still shifting. It may be "shift skipping" usually while coasting it's around 2 but now goes to 1.5k- 1k . If it is overfilled it should just come out the breather right? My cvt did that?
#4
Yeah that's what I was going for but unfortunately I dropped the plug and it gushed out
I don't believe it is slam shifting. When accelerating it still shifts somewhat abruptly but I am stage 5 tuned so that seems normal. It is also still shifting. It may be "shift skipping" usually while coasting it's around 2 but now goes to 1.5k- 1k . If it is overfilled it should just come out the breather right? My cvt did that?
I don't believe it is slam shifting. When accelerating it still shifts somewhat abruptly but I am stage 5 tuned so that seems normal. It is also still shifting. It may be "shift skipping" usually while coasting it's around 2 but now goes to 1.5k- 1k . If it is overfilled it should just come out the breather right? My cvt did that?
#5
But in theory though the pan only holds x amount though, and the fluid expands when hot. It seems like the average dump is about 2.5, so wouldn't that mean I lost 1/2 quart, if I poured back in 2.5 nuke warm wouldn't, it be overfilled when hot, which would simply push it out, and it hasn't so Id be okay?
The fluid already mixed for about 20 miles, so do I just leave it open it at about 110 degrees and have it pour out what it's going to pour out by means of that expansion?
Last edited by micromini234; 04-16-2014 at 07:44 PM.
#6
when you check your fluid you want to leave the little stand pipe in place. Once at the correct temp you want just a small stream to come out! Once that does then install the drain plug right away! the temp range should be between 95 to 133 degrees F. That's the temp my repair manual states. Once your in that range you just want a small stream to come out. Ive done a few of these and it has always worked great. But I also change my fluid to a synthetic ATF. Hope this helps!
#7
when you check your fluid you want to leave the little stand pipe in place. Once at the correct temp you want just a small stream to come out! Once that does then install the drain plug right away! the temp range should be between 95 to 133 degrees F. That's the temp my repair manual states. Once your in that range you just want a small stream to come out. Ive done a few of these and it has always worked great. But I also change my fluid to a synthetic ATF. Hope this helps!
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#8
#9
I used redline d4.
So when you say small stream, you mean like dripping, or still steadily coming out just not gushing.
#10
All the ones I have done are a very small stream. Its almost to the point of dripping. Hope that makes sense. Once you have done it a few times it really becomes very easy! I have a scan tool that reads the temp of the transmission.. But im not sure if all scan tools read the temp of the trans. Let me know how it all works out for you. But I think your on the right track! Good luck.
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