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Thread: Loud groan in brakes or suspension? halp!

  1. #21
    Join Date
    Jan 1970
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    Lebanon, OH
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    37,659
    Quote Originally Posted by papa_g View Post
    Isn't it normal to go through sets of pads on one rotor? Or do the BMW performance rotors wear a lot faster than normal?
    I had 1 set of rotors. Several sets of pads.

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  2. #22
    Join Date
    Nov 2017
    Location
    Seattle
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    265
    Sorry Dane, I meant 2 sets of pads. I edited my last post. What I will do is measure my rotors one of these days to see if they are above minimum thickness. If not, I'll just order a whole new set, front and back, of pads, rotors and sensors. Steel brake lines i will leave for another day, as I literally just flushed my brakes, unless you guys think its ok to pump out the fluid I just put in and pour it back in once i put on new steel lines?? (I am assuming not, but hey, worth a shot)

  3. #23
    Join Date
    Dec 2017
    Location
    Lake Wylie, NC
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    333
    I definitely would avoid that, Papa_G. It's just not worth the risk of contamination over $7 to $16 worth of brake fluid. I would just chalk it up to a little waste and not try to re-use it. It wouldn't take much fluid to replace what is lost from the line swap and then just bleed off your brakes and top up your master cylinder. I actually just got in some stainless lines, and I ran to O'Reilly and picked up a combo pack of rubber vacuum caps for less than $4. I was using the tips from a rubber glove and a small o-ring, but it gets slick and hard to manage. The rubber vacuum caps can be quickly placed on the line for minimal loss during the swap. Also, if you use a stick or something to hold down the brake pedal, you won't get much leakage anyway.

    I went with ECS tuning steel lines. They look good.

    Salty
    __________________________________________________ _____
    2005 BMW 330Ci ZHP Jet Black/Black with aluminum cube
    Bone stock at the moment

  4. #24
    Join Date
    Nov 2017
    Location
    Seattle
    Posts
    265
    Quote Originally Posted by SaltyNC View Post
    I definitely would avoid that, Papa_G. It's just not worth the risk of contamination over $7 to $16 worth of brake fluid. I would just chalk it up to a little waste and not try to re-use it. It wouldn't take much fluid to replace what is lost from the line swap and then just bleed off your brakes and top up your master cylinder. I actually just got in some stainless lines, and I ran to O'Reilly and picked up a combo pack of rubber vacuum caps for less than $4. I was using the tips from a rubber glove and a small o-ring, but it gets slick and hard to manage. The rubber vacuum caps can be quickly placed on the line for minimal loss during the swap. Also, if you use a stick or something to hold down the brake pedal, you won't get much leakage anyway.

    I went with ECS tuning steel lines. They look good.

    Salty
    Salty to the rescue! That is actually some very valuable information. If I am going to lose minimal fluid, then I am all for changing the lines right now. I actually still have a good amount of ATE gold left over from my flush, so I would be set! Did you get the dorman caps? I bought a 4 pack and used one to replace the old worn out bigger vacuum cap on the back of the intake manifold.

  5. #25
    Join Date
    Dec 2017
    Location
    Lake Wylie, NC
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    333
    Quote Originally Posted by papa_g View Post
    Salty to the rescue! That is actually some very valuable information. If I am going to lose minimal fluid, then I am all for changing the lines right now. I actually still have a good amount of ATE gold left over from my flush, so I would be set! Did you get the dorman caps? I bought a 4 pack and used one to replace the old worn out bigger vacuum cap on the back of the intake manifold.
    Yep, 8 count Dorman rubber caps for $3.69. The hard line connection is small so you need one of the smaller caps. When I replaced my calipers yesterday, it dripped about one drop per second without the brake pedal being pressed. I would guess I lost no more than half a shot glass of brake fluid even futzing around with the rubber glove fingertip and o-ring tourniquet I made. Very minimal loss. And it won't take much to bleed the new lines. They hold practically nothing because the inside diameter is so small. My new ECS steel lines are 3.2mm ID, so we're talking about a teaspoon of brake fluid to fill that line. Of course, bleeding will burn through a little bit of fluid, but not much.

    Salty
    __________________________________________________ _____
    2005 BMW 330Ci ZHP Jet Black/Black with aluminum cube
    Bone stock at the moment

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