05-01-2023, 05:23 PM | #1 |
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ZF8 transmission initial fluid fill amount?
Soooo while doing the front driveshaft I decided to also change my transmission and diff fluids.
For the initial fill of the transmission I could only get in about 2.7l before fluid started coming out. Is that normal? I put a level on the transmission pan front to back and side to side and it’s level af 😉 |
05-01-2023, 07:56 PM | #5 |
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Thanks, I’ve found things that varied from 4L to 6.5L if you loosened the solenoid.
I think about 4L total came out when I drained it. With the front diff fluid I had a total of around 4.5L or thereabout |
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08-01-2023, 09:29 PM | #6 |
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Trans temp fluid
How were you able to measure the temperature of the transmission fluid ? per the FCP video the temp is supposed to be between 40-50 C then topping it off your fluid once it was in this operating range
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08-01-2023, 10:21 PM | #7 |
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You will need a wifi/enet cable. There is no native in iDrive/Cluster way of doing it.
If you are trying to stick to a budged, get yourself a ENET cable and a free copy of ISTA. ISTA will give you the reading. Do a quick search, you should be able to find instructions on how to use ISTA and see that value. Alternatively you can use android apps (+wifi dongle/enet) to see the temp via something like Bimmerlink/Torque. or you can use like a dedicated scanner like a NT530. Personally the 530 is a waist of money, get yourself a ENET/wifi dongle and you will get more use out of it. |
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08-01-2023, 10:21 PM | #8 |
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08-02-2023, 12:45 AM | #9 | |
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Quote:
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08-02-2023, 01:10 AM | #10 | |
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Granted I do have it rolling around in the trunk, in case of emergency. |
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08-02-2023, 03:04 PM | #11 | |
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Just start it up and top off and put the plug in. Worst case, the trans is overfilled by a couple ounces. No big deal. |
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08-02-2023, 03:49 PM | #12 |
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08-02-2023, 03:57 PM | #13 |
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08-02-2023, 04:14 PM | #14 | |
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Was this meant as tongue-in-cheek? |
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08-02-2023, 04:55 PM | #15 |
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08-02-2023, 06:18 PM | #16 |
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Transmission fluid has a massive volume expansion as temperature rises. That advice amounts to telling somebody they don’t need to pay attention to the manufacturer of a very expensive transmission.
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08-02-2023, 10:37 PM | #17 | ||
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Here's a sample quote I found on internet. Quote:
The extra oil in the pan acts as a reserve. So the fluid level going up or down a bit has zero effect on function. |
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08-02-2023, 11:32 PM | #18 |
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08-03-2023, 12:20 AM | #19 |
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I'm not trolling. I'm just someone who's rebuilt transmissions before, and knows how they work, and I'm asking you why the fluid level is so critical?
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08-03-2023, 12:27 AM | #20 |
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Alright, friend. We obviously have different opinions on what constitutes helpful advice.
This is the advice from the manufacturer... https://aftermarket.zf.com/en/afterm...assenger-cars/ Last edited by Tomcat_F15_STL; 08-03-2023 at 12:38 AM.. |
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08-10-2023, 06:37 AM | #21 |
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Drives: 545i,2017XC90,2018F15 X5 35iM
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How on BimmerLink do you see transmission oil temps?
I have BimmerLink and B code but haven’t been able to see the fluid temps anywhere?
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08-10-2023, 06:46 AM | #22 |
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One of the things in BimmerLink is “sensor values”. You can choose various ones to monitor
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