Question about 1995 Buick LeSabre

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How do i know which diameter steel brake line to get?

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Cut it off and take it to the parts store to compare. Should be able to set you up with the right steel line.

It's a good idea to be liberal when changing steel lines in a car from the 1990s which is still being used now.

Try to change as much of the line as possible.

Posted on Oct 08, 2010


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I need transmission lines for a 1996 chevy 1500. do you know where i could find them

Pre-bent lines won't be available, but any parts store should have replacement lines for your tranny. Steel brake lines are used for this,they are sold in various lengths and diameters, so you should remove a section so they an match it with the correct diameter for the new lines. You can get connectors to join different lengths, and you will need any existing connections to radiator or trans. to match up with adapters or similar fittings. You will have to bend them to go where they need to. Measure the present lines so you will know how many sections and lengths it will require. If you just have a small section to replace, you can use rubber fuel line w/ a couple of small clamps. I've done that many times when I needed to get back on the road quick, and they hold up for a long time. Good luck!

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Need to remove rusted lines and splice new in. I need to know what size the steel lines are?

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Hello i have a 1988 jeep cherokee. i wanted to know how do i fix the vacuum line toe the heater control valve so i can get heat in the cabin?

If line is really old, remove it and replace it. If you don't need to replace the entire length, put a short piece of small diameter steel brake line or other tubing in line where you wish to splice it. You can likely find a coupler made by a company called "help". Easy job!!

Feb 26, 2009 | 1998 Jeep Cherokee

1 Answer

2 issues...Brake tube rusted and random cylinder misfire

1. What is the OEM diameter of the tubing? I plan to use plain steel, not stainless. If they use salt on the roads stainless is better, TUBING IS 3/16"
2. Once I get the tube bent, would it hurt anything to paint them with rust bullet? No for mild steel, stainless won't rust though, no paint req'ed
3. So I know what flaring tool to get, what kind of flares are on the ends of the tube? U will need a tool that does double flares, around $60 US, if u have ever used a double flare tool read the instructions carefully.
As far as OD of line, take the old to the parts store and match it, but I think it is 3/16"

The engine issue, best u have a trouble code test run and go from there, any Kragen or Autozone will do it for free, if nothing shows clean the inside of the MAF sensor with CRC brand MAF cleaner, water could not get in the line because there is over 40 pounds of pressure, u would see allot of gas on the ground under the truck.


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I am looking for steel brake lines for my car

To find pre formed (bent) brake lines for a 18 year old car will be a real challenge. I don't think u will be able to find them. All parts stores do, however carry different lengths and diameter steel brake lines that u can put together to replace yours. Take out a section of the old at a time, u can bend the new lines by using the old as a pattern. You will have to 'tweek' them a bit to fit perfectly, but it'll work, I've done it many times.

Oct 25, 2008 | 1991 Cadillac DeVille

1 Answer

My rear wheel brakeline on durango 1998 blew

Depends on your mechanic ablilites. Steel brake line is basically 0.188 inch diameter line, and the metric 6mm line dia is very closely same.
Dodge uses ISO bubble flare , and not the American standard double flare at the end of the steel tube line. This ISO bubble flare on the steel line then fits into its mate female end which is the rubber hose connector end.
So, easiest way to get rid of the ISO bubble flare and change to American double flare end is:
Some automotive stores such as Parts Plus Auto Stores carry the brass brakeline adapter which has one end being the male end that fits nicely into the rubber hose with its ISO bubble female fitting, while the other end of the brass line adapter is the female end which has the double flare so you can then insert the steel line replacement with standard double flare into this end of the adapter.
Steel line , bungy brake line or equivalent is fine, and has the brake line nuts already on it, and is flared for you too. If you want to stay with ISO bubble line fittings you can get that in bungy brake line lengths too but it is less common for some stores to carry, and that is why the conversion brake line fitting adapter mentioned is so easy a way to change from ISO bubble flare to a double flare for easier use of all steel line being standard American double flared brake line. The brake lines come in straight lengths, 2ft 4ft, and 6ft, so you can use them to fit your necessary total length by connecting them with tubing couplers which the steel tube lines brake line nut gets threaded into.
My same year Durango had its rear line blow thru last year, due to the rusting of the steel brake line. I just got done last week, doing a entire steel line replacement myself. It was a medium sized effort for sure. You should check the other lines for the entire brake system to see if you need to replace more than just that section which failed for you, as my lines showed heavy corrosion at many other locations in the brake line system.
It is easy to double flare brake line tubing , and Sears sells its craftsman brand of brake line double flare tool kit for that purpose at about 60 bucks if I recall it right.
One thing you should do when doing your own double flaring, is to use a dial caliper to measure the diameter of the flare at its widest flared end, to insure you are within the required diameter of flare to insure proper sealing when you tighten down the tube flare nuts. I recall the flare diameter is supposed to be 0.272 inches , plus or minus 0.006 inches ( so range of dial caliper measuring of that formed flare should be between 0.266 inch and 0.278 inch) to insure the right diameter of flare for good sealing.
You can also get steel galvanized tubing line in coils of 20ft and more, with a bunch of brake line nuts ( all this is standard american brake line nuts, for double flared line fitting) from Inline Tube company;
Check out the great tech info from FEDHILL website,
Good luck, I did it so you can do it and feel satisfied and safe for the family with solid and sound steel line that is much better than chancing an accident via leaving the rusted line in place.

Aug 02, 2008 | 1998 Dodge Durango

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