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  #1  
Old 02-08-2006, 06:36 PM
dwd1985 dwd1985 is offline
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Tranny fluid supply lines

Finally got around to installing my permacool tranny filter, and in the process, ran into a small problem. The instructions say, quote, "Locate the transmission fluid lines. They can be found running from the transmission to the bottom or the side of the radiator. Determine which is the supply line (pressure hose) by starting the engine and feeling both transmission fluid lines. The warmer line is the supply line." Well while under the car, looking forward towards the bumper, there are 3 lines going into the radiator. I really did not feel like sitting under the car with the engine on, and I tired letting it run, and then jacking it up again, but felt no significant difference in temperature. So can someone who has put on their own filter let me know which hose they figured it out to be? Looking forward towards the bumper, is it the drivers side, the center hose, or the passenger side?
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  #2  
Old 02-08-2006, 08:16 PM
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Quote:
Originally Posted by dwd1985
Finally got around to installing my permacool tranny filter, and in the process, ran into a small problem. The instructions say, quote, "Locate the transmission fluid lines. They can be found running from the transmission to the bottom or the side of the radiator. Determine which is the supply line (pressure hose) by starting the engine and feeling both transmission fluid lines. The warmer line is the supply line." Well while under the car, looking forward towards the bumper, there are 3 lines going into the radiator. I really did not feel like sitting under the car with the engine on, and I tired letting it run, and then jacking it up again, but felt no significant difference in temperature. So can someone who has put on their own filter let me know which hose they figured it out to be? Looking forward towards the bumper, is it the drivers side, the center hose, or the passenger side?
Did it have the factory filter? if so the supply line is the one going into the filter from the tranny. If not, there should be only 2 small rubber lines coming off the bottom of the radiator. Take one off and watch it as someone starts the car for just a sec. and if fluid comes out of the radiator it's the return line, if it comes from the line, then that is the supply line. I would check on my car for you, But it's been snowing all day and the car is covered. good luck
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Old 02-08-2006, 09:55 PM
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ensteele ensteele is offline
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Well, I would bet my pennies to your dollars that you didn't look in the How-To Documents for the answer or you would have found it.

Look at this picture for your answer. The fluid goes from the transmission into the passenger side of the radiator and back out of the drivers side which goes to an external filter, or back to the transmission. Good luck.
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Old 02-08-2006, 10:52 PM
dwd1985 dwd1985 is offline
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Yes, I did look in the how-to's, I always do before attempting to fix something or install something on my SVX. I saw that picture, but until now, did not realize that it was looking down on the path, and not from the side. It hit me all of a sudden as I was looking at it, when I noticed the radiator cap on the pic. That makes sense to me now. Thanks.
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Old 02-09-2006, 03:54 PM
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Quote:
Originally Posted by ensteele
Well, I would bet my pennies to your dollars that you didn't look in the How-To Documents for the answer or you would have found it.

Look at this picture for your answer. The fluid goes from the transmission into the passenger side of the radiator and back out of the drivers side which goes to an external filter, or back to the transmission. Good luck.
Nice diagram, but I again disagree with the placement of the air cooled unit after the radiator. The air cooled unit should be before the radiator to remove the most heat, then run through the radiator to stabilize the temperature to the 80C/176F that the trans needs to operate properly.

With the air cooled unit last, it can cool the ATF lower than 80C/176F. The trans then will unlock the converter, to allow the torque converter to operate, to raise the temperature to the desired 80C/176F. If on a cold day, it cools down to 10C/50F, it will change back to 3rd. So fuel consumption will increase.

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Old 02-09-2006, 05:00 PM
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I used that picture so that it would show the flow. That is one choice of doing the cooler and the others are shown in the How-Tos as well. It shows in series, parallel, and a cople of others.
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1993 25th AE ~107K (02/93) #215
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1994 Laguna Blue Pearl LSi ~144K (10/93) #1484
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  #7  
Old 02-09-2006, 05:57 PM
oab_au oab_au is offline
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Quote:
Originally Posted by ensteele
I used that picture so that it would show the flow. That is one choice of doing the cooler and the others are shown in the How-Tos as well. It shows in series, parallel, and a cople of others.
Ah yes I see them now, unfortunately none, are the way that I suggested.

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  #8  
Old 02-09-2006, 06:36 PM
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I thought I had one pic of that in there. I will look around and find it.
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1992 Claret LS-L ~196K (05/91) #0831
1992 Pearl LS-L ~103K (06/91) #1680
1992 Pearl LS-L ~151K (06/91) #2229
1992 Dark Teal LS ~150K (07/91) #3098 (parts car)
1992 White LS-L ~139K (08/92) #6913
1993 25th AE ~98K (02/93) #164
1993 25th AE ~58K (02/93) #176
1993 25th AE ~107K (02/93) #215
1993 25th AE ~162K (02/93) #223
1994 Laguna Blue Pearl LSi ~124K (1/94) #2408
1994 Laguna Blue Pearl LSi ~144K (10/93) #1484
1994 Laguna Blue Pearl LSi ~68K (10/93) #1525
1994 Barcelona Red LSi ~46K (02/94) #2624
1994 Pearl LSi ~41K (12/93) #1961
1995 Bordeaux Pearl LSi ~70K (02/95) #855
1996 Polo Green LSi ~95K (03/96) #872
1997 Bordeaux Pearl LSi ~55K (08/96) #097
2003 Brilliant Red LS1 Convertible ~29K (04/03) #8951
1999 Magnetic Red LS1 Coupe ~33K (04/99) #6420

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