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  #1  
Old 08-07-2010, 09:57 PM
davew833 davew833 is offline
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Trans cooler LINE question

I've searched and not found a definite answer-- for the stock trans cooler that's internal to the radiator, which line comes from the tranny and which is the return line? One line attaches to the right side of the bottom of the radiator and one to the left. Mine's a '94 with no external filter, so no help there!
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  #2  
Old 08-08-2010, 06:37 AM
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svxcess svxcess is offline
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Re: Trans cooler LINE question

.


The line FROM the transmission connects to the radiator on the passenger side.

The return line FROM the radiator TO the transmission connects to the radiator on the driver's side.





Just disregard the external ATF filter as external cooler

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Last edited by svxcess; 08-08-2010 at 06:39 AM.
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Old 08-08-2010, 09:44 AM
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svxfiles svxfiles is offline
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Re: Trans cooler LINE question

The diagram that John posted can be misleading.
The important part is that the fluid out of the transmission comes from the line that exits the transmission just behind the bell housing.
The line that returns fluid to the transmission goes back farther along the transmission on the drivers side near the tail housing.
The only way to be sure of your cars CURRENT routing is to start at the transmission, and follow the lines.
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Old 08-08-2010, 10:13 AM
davew833 davew833 is offline
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Re: Trans cooler LINE question

Thank you SVXfiles-- That's more helpful since I think my lines into the cooler may have been switched when the previous owner had the tranny rebuilt. I was about to ask the question again in reference to where the lines connect to the tranny, but you beat me to it! (and John, thanks for the diagram, too)
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Old 08-08-2010, 10:32 AM
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Re: Trans cooler LINE question

Quote:
Originally Posted by davew833 View Post
Thank you SVXfiles-- That's more helpful since I think my lines into the cooler may have been switched when the previous owner had the tranny rebuilt. I was about to ask the question again in reference to where the lines connect to the tranny, but you beat me to it! (and John, thanks for the diagram, too)
You are welcome.
Any time a person installs a one way only transmission filter, they have to follow it from the transmission lines because its very easy to switch them at the rubber connections.
More than one transmission has been starved of oil because of this easy mistake.
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  #6  
Old 08-08-2010, 03:34 PM
davew833 davew833 is offline
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Re: Trans cooler LINE question

Ok, so here's my follow-up question: My research on the site seems to be that it's best to install an aftermarket cooler in between the tranny and the stock cooler so that fluid goes from the tranny, into the aftermarket cooler, then into the stock cooler, and back to the tranny. Is that correct?
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