Which side is the COLD tranny line on a 04 TB with the I6? - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2002 - 2009 TrailBlazer/Envoy Tech > 02-09 Vortec 4.2L I-6 Engine and Drivetrain > Transmission Mods

Transmission Mods Performance Transmission Modifications

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  #1  
Old 09-11-2018, 03:49 PM
JTX JTX is offline
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2004 Chevy TrailBlazer LS
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Which side is the COLD tranny line on a 04 TB with the I6?

I've used the search and nobody directly addresses it that I could find.

It appears to be the driver-side, but someone that knows would save me having to re-attach it if its the passenger side.

This is for a transmission cooler for towing.
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Old 09-11-2018, 05:28 PM
miketexas miketexas is offline
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Quote:
Originally Posted by JTX View Post
I've used the search and nobody directly addresses it that I could find.

It appears to be the driver-side, but someone that knows would save me having to re-attach it if its the passenger side.

This is for a transmission cooler for towing.
Both sides will have hot fluid flowing through them especially after the trans warms up. You probably mean you want to use the return line to connect to your cooler. Using the Return line means that the fluid going to your cooler has already passed through the radiator. I have never checked but I have been told the return line is on the driver side of the radiator.
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Old 09-11-2018, 05:52 PM
JTX JTX is offline
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2004 Chevy TrailBlazer LS
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Originally Posted by miketexas View Post
Both sides will have hot fluid flowing through them especially after the trans warms up. You probably mean you want to use the return line to connect to your cooler. Using the Return line means that the fluid going to your cooler has already passed through the radiator. I have never checked but I have been told the return line is on the driver side of the radiator.

Thats what I'm seeing. Yes the return.

Because, when I flushed it, I took off the one on the right/pass side and pumped out the transmission.
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Old 09-11-2018, 08:32 PM
JTX JTX is offline
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E Trailer replied to me and said its the driver side.
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  #5  
Old 01-09-2019, 09:50 AM
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Lynch Lynch is offline
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4l60e cools from bottom up. Look on passenger side of trans and follow the bottom line. Thats the one flowing to the trans.
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