Question about 1998 Oldsmobile 88

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Brakeline sizes? I want to replace the brake lines on olds 88 LS 1998. I wanted to know what the line sizes were? 3/16 the smaller one?

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6ya6ya
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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: 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; www.inlinetube.com.
Check out the great tech info from FEDHILL website, www.fedhillusa.com
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.

Posted on Aug 07, 2008

  • 28 Answers

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Call 323-767-6030 and I will go through with you.

Posted on Dec 09, 2008

junkman1249
  • 552 Answers

SOURCE: Flare nut wrench size?

try metric size. a flare wrench is an closed end wrench with a little **** in big enough to to slide over the line and then around the bolt its grabs mor of the bolt than a regular wrench

Posted on Dec 13, 2008

  • 14036 Answers

SOURCE: replaceing brake caliper on driver side

remove the banjo bolt with deep socket and ratchet.

Posted on Mar 22, 2009

  • 99 Answers

SOURCE: Brake line burst 1999 ford expedition

Which brake line are you talking about?. The metal steel ones,or the rubber ones. Doesn't matter. If you are buying the rubber ones, then just ask for them by year and model of truck.

If you are working with the steel ones, they are either going to be 5/16 or 1/4 depending which line it is. the 5/16 ones are usually attached to the master cylinder or the ABS unit. The fittings sometimes if you don't find the right one have to be re used, in which case you will need to flare the tubing. (Double Flare) Or you can go to the dealer, pay an arm and a leg, but you don't have to flare the tubing, which takes the fun out of the job.

Posted on Apr 07, 2009

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1 Answer

Leaking back break lines


This is a serious problem. Depending on what material you use, and who works on this car, will directly reflect on the price of the repair.

Many of the replacement parts have to be hand fitted. Some preformed lines are available, but they are often sold as a complete set.

There are special tools needed to create a brakeline out of a coil of material. Each end of brakeline would need to be crimped with the correct fitting for the individual inlet hole. Using different sizes of fitting is the Manufactuers method to insure that the brakeline fits in only the correct place.

This made more sense when replacements were bolt on parts and readily available. Today though, it is a complication to buy different size ends for each brakeline.

You are going to want to go either to a Brakeshop or someone who has done this work before. Consider this, all Brakelines were installed the same day on the Assembly line. If 2 leak now, it won't be long before all 4 leak. If you do not know the History of the car, and what was replaced earlier, you need someone to inspect the brakes.

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No one actually answered the question. What size it is??

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Replacing brakeline on 2000 blazer LS


You will have to figure that out yourself,
measure it, etc

Almost all brake tubing used in the last 50 years is 3/16"

Some places you may find 1/4"

Got to get under there & remove the rusted stuff anyway
& take some measurements & fittings your will be needing

Jul 11, 2012 | 2000 Chevrolet Blazer

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Replacing brakeline on 1999 300m


you can replace brake lines if you have done mechanic work before,you can buy brake lines already bend and fabricated at dealership or you can buy brake lines at auto parts stores bend them to the correct shapes your self.

Nov 20, 2011 | Cars & Trucks

1 Answer

Need to patch a brakeline


You cannot patch a brake line. Brake lines carry very high pressure and any patch will fail (extremely dangerous). You can section in a short piece but only if you have the proper flair tool to prepare the ends of the cut lines to accept the proper fittings in order to do that the line needs to be rust-free and straight. You'd also need an additional pair of line fittings that come installed on replacement lines. Therefore, you will be best served by replacing the entire line. The new line does not need to exactly follow the old route but needs to be well secured so it does not vibrate, pass over any sharp edges and is away from any moving parts including the suspension, axles etc. It must not pass near any exhaust components that will overheat the fluid.

Sep 19, 2011 | 1998 Ford Expedition

1 Answer

How do I replace a rear brake line on a 98 Ford Windstar?


Hello, If you can do plumbing it is not difficult. You may need the help of a small tube bending tool if you buy straight line. You would need to remove the current line, catch the brake fluid, and then take the old line to the Autoparts store.

The Autoparts store may be able to reshape a new line for you. Call ahead to ask if they can do this service. The ends of the new line may or may not have the correct size fittings, so attention to detail is important. The fittings can be purchased separately.

There is "bulk" line in coils which have to be fitted with the end fittings. To install AUTOMOTIVE type fittings, you need a flaring tool capable of what is called a double inverted flair. Not all flaring kits have this improved shaping capability.

You may try Ford to buy a preformed brakeline. They may have it, but Ford stopped stocking stuff like this so when backstock is gone, you will need to custom make the line as I described. The Autoparts stores do have some aftermarket brakelines, usually the type with rubber hoses crimped into an assembly. The entire brakeline assembly has several jointed sections so it keeps the replacement costs down.

The last bit of advice I have is the hanger system Ford uses. At various sections, the joint between two separate pieces is part of one line or the other. Ford uses "C" clips to position the lines when they go through any mounting bracket. The brakeline may have a machined surface to accomodate the clip. So what I am struggling to say is the brakeline may be harder to remove than just by unscrewing a fitting. The line may be clipped to a mounting bracket.

I hope my solution is very helpful to you.

Sep 17, 2011 | 1998 Ford Windstar

1 Answer

The brake line is leaking and I need to see how the brake line runs so I can trace the leak down


You replace Brake lines, you do not patch them. You need to go under the vehicle and follow the line with your hands and eyes. You need the Year and Model of the vehicle and if it is a truck, the wheelbase.

There are a few connection joints which are in areas where smaller sections of hose can be replaced. Some lines are a real chore to replace. Most of today's Brakeline has to be handmade or custom copied with factory prints by specialty shops. Ford does not supply much of the replacement brakelines.

I just went through this on my 99' F150. Several things to consider are the age of the vehicle, if it is suppose to last or be scrapped, and where you drive it. Salt used on roads or not.

Once you have a Brakeline leak, they were all installed the same day, theres' more leaks coming.
You can get a nice set of Stainless Steel lines preformed, by checking out the Internet. There are also coiled Steel lines in Factory, Stainless and Powercoat (different colors) materials. The best Factory lines are made to Volvo specification, a Copper-Nickel alloy which is suppose to survive 15-17 years of a Salt bath.

I used the Volvo alloy on my F150 and hand-formed each line from coils of material. There were no blueprints for Prefab Stainless for 1999 and newer F150's. I would have lucked out with the factory being 45 Miles from my home, and only 24 hours to custom make. Stainless was cheaper and easier with factory fittings and shapes. But at least I know my brakelines will outlast my truck.

When I started bending the rest of the non-leaking lines to put in the trash, some of them shattered from rust. If I would have replaced only 1 leaking line, I would have been working on the brakelines constantly and risk an accident with each failure.

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1 Answer

Replace rear passenger brake line on 1993 cutlass oldsmobile, line rusted in the middle of the car frame and blew a leak.


If you want to do this yourself, just remove the brakeline. Go to a parts store and buy the length of brake line that you need. Most brake lines are 3/8" or 1/4" so get the right size. Get the brake line fittings. You will need tubing cutter, tubing bender, and flairing tool. Just cut it to the right length, bend it to the right shape, and install it. Presto!!! New brake line! Hope this helps. Good luck.

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1 Answer

Brakeline


It is possible to replace a bad portion of brake line using compression fittings,and alot of parts stores do fabricate and sell brakeline if you take the old piece(s) in for a reference.If you do pull the line from the resevoir your going to have to bleed the entire system incuding the master cylinder,If you have the means I would reccomend taking it to a shop that specializes in brakes,they have the tools and experience to do the job correctly and it really shouldn't be to expensive.If you are going to DIY write me back and I'll give you a walk through on the procedure.

Apr 10, 2009 | 2001 Kia Sportage

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; www.inlinetube.com.
Check out the great tech info from FEDHILL website, www.fedhillusa.com
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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