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Brake line install (1998 S70)

posted by  Boobaka on  Thu Apr 13 07:01 CST 2006
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Hello, next week im planning on replacing my front brake calipers and front & rear pads. While im at it, im thinking about replacing my brake lines with the SS ones sold by FCP groton. Has anyone here used these lines? If so, im looking for any feedback on the installation procees. Good or bad. Im just trying to find out in advance if theres any particular problem I might run in to or anything to look out for. Oh and what type of wrench do you use for brake lines? I dont think its a standard wrench. I think its the kind that look like a box-end wrench, only with a slot so you can slip it over the brake line. Is this right? Anyone know exactly which size wrenches ill need?

Thanks in advance, Matt








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    Brake line install (1998 S70)

    posted by  someone claiming to be markoman on  Mon Apr 17 02:59 CST 2006 [RELATED]

    not usre which wrench size you need, but I did this job using a set of flare end wrenchs (from seras) which are like open end wrenches but have a more narrow opening and profvide better grip on the barkae line fitting. I clean the line connections, esp. the joint that connects to the brake line (not the capliper side) and I put some penetration oil on it overnight. As you will see, you need to hold the nut on the brake line side while you tutn the brake hose line to loosen. Not too hard to do, just takes a little patience...make sure you do not force it, as you do not want to twist or bend the metial brake line.

    Fairly easy to do and my hoses looked pretty bad, given my car has over 200K miles on it.

    good luck








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    Brake line install (1998 S70)

    posted by  someone claiming to be ksg on  Mon Apr 17 02:53 CST 2006 [RELATED]

    Flare nut wrenches are needed. Must be very close fit. Can be very hard to free the nuts and you may need heat and lots of patience.

    Why replace the lines? It seems like lots of work and chance for headaches unless you have a specific problem or reason.








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      Brake line install (1998 S70)

      posted by  Elbert on  Tue Apr 18 08:37 CST 2006
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      Metric flare nut wrench is what you will need. I just did mine a month ago. I used PB Blaster several times for a few days to be sure it will be loose when I do the project. Take it easy and slow. You do not want to round the nuts. The hose is fairly inexpensive so I went ahead and replaced them for safe measure. While you are at it, you might as well bleed the brake fluid.








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        Brake line install (1998 S70)

        posted by  Boobaka on  Mon Apr 24 05:07 CST 2006
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        I found out sizes 11 & 14mm are needed for this job. So I bought a set of SK flare nut wrenches that has both of these sizes. Ive also been spraying PB Blaster on the fittings every now & then for the past week. I intended to do this last week, but a back sprain & incomplete parts shipments prevented it. So it will have to wait until next weekend. Do you have an S70/850? And did you replace the rear lines also? They look dang near impossible to get too. Ive heard that you can cut the old rubber lines, then use a deep well 14mm socket on the line fitting to remove them. Anyone ever tried it?








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          Brake line install (1998 S70)

          posted by  Elbert on  Mon Apr 24 09:17 CST 2006
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          I have a '98 S70. I only did the front wheels. I'm almost positive the rear brake lines that connect to the caliper are not rubber hoses so no replacements are necessary-- I may have to look again.







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