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Where can I find original replacement transmission lines for my 99 Camaro with the 4l60 automatic transmission? One of them blew today. I have both hard lines coming from the transmission then connect to two rubber hoses that goes into aftermarket transmission cooler. When I did a search it only seems like the oboe transmission line that goes to the radiator, but I need two lines as I have it connected to aftermarket trans cooler. Thanks for the help.
From: Halfway back on the Highway to Hell...again!
If it blew where the rubber lines are, I suggest just repairing them utilizing compression fittings to AN line. I do it all the time for people using Pushloc stuff
1. It will only cost you about $80 or so for everything from Summit.
2. Will never leak or blow again
Just takes a common pipe cutter and some hand tools.
Part number list
4ea - SUM-260690B
4ea - SUM-2200077B
VPE-16316 ( I used Vibrant hose. Summit is out of stock on their house brand)
Listen to what SAPPER said and repair your existing lines; it is NOT fun wrestling ATF lines in and out of a vehicle!
His recommendation is the "classy" way of doing it; you can also just cut off the factory compression fittings, replace the sections of hose, and use hose-clamps.
It doesn't look as fancy, but it works just the same.
From: Halfway back on the Highway to Hell...again!
If you really want to get fancy, You can delete two of the compression fittings and get two AN-06 to 5/8x18 inverted flare and thread the directly into the radiator. The you will need to know what angle hose ends you will need.
Make sure to use steel fittings though.
p/n RUS-640380
As long as you are good for some DIY modifications that are easy to do...
Go for it!
I tend to do this, when I have found the new replacement lines to start leaking at the Crimp locations in a short amount of time.
It makes no sense to me; to keep replacing the lines over and over again.
Here is a set of lines that I made for an Engine Oil Cooler:
From: Halfway back on the Highway to Hell...again!
Yea, GMs great design of their shitty crimps. We replace so many Oil cooler and Trans cooler lines, it's unreal. Our Oil changers up sale them daily. Now if GM can get our orders to us, we can do more. Even here at the dealer, we can't get parts.
Here are the cooler lines I made from 3/8 stainless tubing for my 69 Camaro. The ends go into a double "P" clamp setup on the front cross member then go stainless soft line to the cooler. All 37* AN fittings.
Note: No, I did not use that transmission pan with the jack under it. Its only used for mock purposes.
Here are the cooler lines I made from 3/8 stainless tubing for my 69 Camaro. The ends go into a double "P" clamp setup on the front cross member then go stainless soft line to the cooler. All 37* AN fittings. Note: No, I did not use that transmission pan with the jack under it. Its only used for mock purposes.
Those look beautiful!
What type of Tubing Bender did you use?
Did you use a Hydraulic Tube Flaring Tool?
The Engineers over at Brake-Systems turned me on to this Kent Moore Tool below:
Wow! Thank you everyone for the great responses. Much appreciated. There’s a hole in the metal transmission line right up around the power steering rack area. I was thinking of cutting that part off and fixing it from there. I think I will take the info provided here and just repair it. May tackle this project tomorrow after work or over the weekend.. I’ll keep you all posted. Thanks again everyone. And lastly I’ll have to get some engine degreaser and give the engine Bay Area a good cleaning considering it got a little sprayed with ATF lol
Wow! Thank you everyone for the great responses. Much appreciated. There’s a hole in the metal transmission line right up around the power steering rack area. I was thinking of cutting that part off and fixing it from there. I think I will take the info provided here and just repair it. May tackle this project tomorrow after work or over the weekend.. I’ll keep you all posted. Thanks again everyone. And lastly I’ll have to get some engine degreaser and give the engine Bay Area a good cleaning considering it got a little sprayed with ATF lol
Installing -AN Lines are rather simple...
As they do NOT require the Tubing/ Metal-Line to be Flared (inexperience flaring Metal-Lines makes for a bad time dealing with LEAKs).
The -AN Lines can be attached to the Tubing/ Metal-Lines with Ferrules and Compression Fittings; like in the image below:
From: Halfway back on the Highway to Hell...again!
I'm a GM tech and we have the Kent-Moore at work. It is good and handy. But way over priced. There are many similar kits for much cheaper. Just search brake flaring kit. I have my own kits at work and some at home. And honestly, for AN 37* flares, The Summit kit has never failed me. Had it about 20 years and used it thousands of times. Tube nuts are so much better but only if your'e willing to buy the flare tool and use it.
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Transmission lines 
