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how to: repair a transmission, oil, or fuel line for cheap
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- Опубліковано 5 кві 2015
- how to fix a hard line for your transmission cooler. also works great for oil cooler, or fuel line. i used a compression fitting which cost $3.89 at pepboys. only tools needed are two wrenches and a brake line cutter.
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I've worked in hydraulics and fluid conveying products industry for 15 years and these compression fittings will not leak. 50 psi is NOT that high of pressure!! Compared to a carb yes, your water pressure at your home is 60 on average, think about that for a sec. These compression fittings if brass will easily withstand 200psi. The No.1 most common reason these leak is from over tightening. Less is more with these, you do not tighten these up to the nut!! Hand tight and 1 full turn is all that is required. Your seal is made on the ferrule with these, when you overtighten you deform / crush that ferrule causing a leak. Also make sure the ferrule is facing in the right direction when installing! This is just my $.02 but I've been doing this for quite some time working with Aeroquip in both their high performance and industrial lines so tend to think I know what I'm talking about. Hydraulics 3,000 psi with this style connection, they work!
Why do some compression fittings come with little stems/tubes that slide into the line that you are joining....I've always wondered why some have them and others dont.
Awesome thanks for the knowledge
This video saved me like $450 in repairs. Thank you so much!
Thanks for the video. I helped save me a lot of money and I was able to resolve my issue. In my case, the cutter didn't work so I had to use a Dremel to cut through the steel lines, regardless, this was a great idea!
Very useful my 2002 Chevy trailblazer has a leak in low spot on transmission cooler lines that part makes sense. instructions for replacement include dropping the tranny and part of the exhaust insanity, I can barely get my hand in there forget about fishing for C clips. Much easier to take lines from radiator to last leaky point of lines they are pretty rusted and I’d like to get as much good line in as possible then install the compression fittings. Many thanks for pointing me in the right direction 👍🏻
So you don't need to flair the ends of the lines?
i just used one to repair an ac line on my car. i didn't use the little collars though. instead i flared my lines and used o-rings. reason i flared the lines is because it was the high pressure line so wasn't taking any chances of it coming undone
i just used one to repair an ac line on my car. i didn't use the little collars though. instead i flared my lines and used o-rings
also, you get what you pay for, so going name brand is definitely a better option for these. the inner collars are metal on the better ones, as opposed to plastic for cheapie stuff.
We use them on steam tracing so if they will hold steam they'll hold anything
I went through 100 video to find yours..Thank You!
how come you didn't show the repair? Steel line too long?
Good video I have a hole in my trans lines. New subscriber here 👍
BIG Help! Thank you very much.....
thanks for this I needed it
great video lots OK info thanks
How you supposed to find the right one for you vehicle?
That’s just a plumbing compression union. Great idea to fix my tranny lines now with same size copper pipe!
Answered my question, thanks!
I really wish people would stop clamping hydraulic lines on radiator with hose clamp. It’s 1000% failure rate. My friends truck is here now and we can’t even get the lines hence why I’m considering compression fittings as it needs to be tight. I’ve seen so many like this and it ends in a puddle. I normally buy new lines but this vehicle id have to custom make them so im thinking this is better than spend a ton and it should be secure. Kinda getting ideas. Long as it’s actually tight for these people. Young family, they can’t be getting stuck like that. Bad enough I had to pour in 3 qt fluid and tighten that clamp enough to ease over to my yard to fix it. Poor family was devastated would not move as fluid poured and smoked.
Thanks, nice solution.
That is 3/8 fitting. Can that be used on a 10mm tube? 5/16 on 8mm too? With that compression sleeve.
Smart choice, why do people use clamps for trans and risk it leaking and burning up a very expensive trans compression fittings are the best
ray ray. I here all though ive used rubber transmission line to fix power steering amd tranny lines with 2 clamps on each end amd never had any issues
Yeah I’m dealing with one for a friend that it pop off with hose clamp. I’m considering compression fittings as they don’t make the lines even in aftermarket on this vehicle so was told to go have custom made lines. Too much money. Kicking around ideas here tonight as to what fitting system I want. Even junkyard they don’t have lines. I’m pretty close! Want everything threaded and locked so this don’t pop in future. Fix it once and done. They were kinda sad it pop off and 3 quart fluid spewed out and it wouldn’t move so I came to rescue. I had that exact same issue myself on a Jeep couple years back again someone cut the factory ends and use clamps. Should be outlawed! Lol. Horrible how often it’s done they clamp to the radiator and it never lasts.
Hate to tell you compression fittings should not be used
Just replace the lines...It might be a pain in the ass but it'll hold up indefinitely
A compression fitting is literally stronger then the rest of the lines if you aren't using hydraulics...🤣.. why replace the entire rest of the line that hasnt failed, when you can replace a the damaged segment and be done with it?🤷🤦
Do they ever work themselves loose over time or start to leak?
mrsemifixit I dnt think so
this is NOT a quality fix, its a quick-fix to get you by. Replacing the entire line is a better option. It's illegal in my state to use these on braking systems! Great for other systems though, like power steering or transmission cooler lines. I have had one of these kicking around in my glovebox before, and it saved me from being stranded! (Tranny line pin hole) :)
lol he specifically stated that in his video! (these are not to be used for brake lines they just cant hold up to that amount of pressure) , and it is a quallity fix when you have a 1980 datsun that no longer has steel tranny lines available
Replacing the entire line is a better option. you can get a flare tool and make any line you need!
Well, do ya have money to give to this lad so he can do the entire line?
No? Nobody cares then. The entire line ain't cheap. You do what you have to to get by sometimes.
8 bucks?
brake line is cheap
This is the most fucked up explanation I've ever experienced in my life
This video is rather dangerous to have posted and lacks needed information, compression fittings are NOT for use in ANYTHING with high pressure that means transmission lines too, the average trans mission fluid pumps at 300PSI at only 1500RPM
I've worked in hydraulics and fluid conveying products industry for 15 years and these compression fittings will not leak. 50 psi is NOT that high of pressure!! Compared to a carb yes, your water pressure at your home is 60 on average, think about that for a sec. These compression fittings if brass will easily withstand 200psi. The No.1 most common reason these leak is from over tightening. Less is more with these, you do not tighten these up to the nut!! Hand tight and 1 full turn is all that is required. Your seal is made on the ferrule with these, when you overtighten you deform / crush that ferrule causing a leak. Also make sure the ferrule is facing in the right direction when installing! This is just my $.02 but I've been doing this for quite some time working with Aeroquip in both their high performance and industrial lines so tend to think I know what I'm talking about. Hydraulics 3,000 psi with this style connection, they work!
Why not just by a new line for less than $20 , and $6 for a new quick connector. It probably won't take much longer than the cheesy job.
SmOoThYwOoDy because a new line costs $250 and another $250 for labor.
Yupp, about $350 plus taxes was the quote I get for 2003 F150 tranny cooler line.
$100 at a minimum
2023' 2014' F150 STX new line. Cheapest is $175. Out of stock. Only place in stock $327 , 3 weeks for delivery.