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General E46 Forum
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Old 01-02-2015, 02:18 AM   #81
Blademan
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Good advice on feeling for the hot and cold cooler lines.
BaliDawg method is disconnecting at the cooler end, near the #1 in the realoem link.
Lugerhead is your method to also disconnect the colder cooler line at the heat exchanger end? #1 in the realoem pic?
Confirming NOT to disconnect lines at the transmission.
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Old 01-02-2015, 02:39 AM   #82
Blademan
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On the realoem pic, are the hoses labeled "OIL COOLING PIPE INLET" and "OIL COOLING PIPE OUTLET" from the transmission perspective or the cooler perspective?
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Old 01-02-2015, 01:23 PM   #83
Lugerhead
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Yes, disconnect the cooler line at the cooler, I think it's the passenger side, and leave the other one connected. That will leave you a nice nipple on the cooler itself to slip the hose on that goes in your bucket / jug, what ever you are using. Don't mess with the hose connection at the transmission. The real oem parts list does not say which is outlet inlet. That's where the feeling of the lines comes into play. The one that is the hotter needs to stay connected to the cooler and remove the cooler line.
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Old 01-02-2015, 03:14 PM   #84
BaliDawg
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Quote:
Originally Posted by Lugerhead View Post
...disconnect the cooler line at the cooler...and leave the other one connected. That will leave you a nice nipple on the cooler itself to slip the hose on that goes in your bucket...
Good idea. I was always disconnecting both hoses. Doh! But obviously it's easier to just disconnect one.

Some time ago when I was figuring out this flush methodology I searched around for a DIY and found none. One of us should do one and post it on this forum.
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Last edited by BaliDawg; 01-02-2015 at 03:15 PM.
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Old 01-02-2015, 05:11 PM   #85
DEADF15H
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Quote:
Originally Posted by BaliDawg View Post
Good idea. I was always disconnecting both hoses. Doh! But obviously it's easier to just disconnect one.

Some time ago when I was figuring out this flush methodology I searched around for a DIY and found none. One of us should do one and post it on this forum.
Please do!
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Old 10-28-2016, 12:34 PM   #86
EthanFreedlund
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Links of great info.

Video of this trans flush on an Opal. 1 of 2
https://youtu.be/tno0NfJmsSo

And this is the entire sheet on this transmission.

http://pro-ht.mbnet.fi/Kuvat/automaattilaatikko/5L40E.pdf

Two perfect tools to flush this transmission at home.
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Old 10-29-2016, 02:41 AM   #87
EthanFreedlund
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Lugerhead, any idea on the size of tubing you used to slip on to the heat exchanger? I know it's been a while since this post but I am about to go buy some tubing and was just curious if you remembered the size? Mahalo!
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