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#1
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Brake Fluid Leak - Drivers Side
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2022 X6///M - Toronto Red, Silverstone Full Merino Leather, Executive Package w/Remote Engine Start, Soft-close doors, Heated & Cooled Cupholders, Front Ventilated Seats, Front & Rear Heated Seats, Front Massaging Seats, Carbon Fiber Trim. 2002 X5 3.0i, Sport Premium, Titanium Silver, Grey Dakota, Cold Weather Pkg, Xenons, DICE, LED Tails, just a winter vehicle... 2007 550i, Sport Premium, Silver Grey Metallic, Grey Dakota, Nav, Cold Weather Pkg, Comfort Access, HD Radio, Xenons. |
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#2
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i'm willing to bet it's coming from your controller unit (aluminum block where all the lines meet, under the coolant expansion tank).
w/out looking at it of course ;p i really hope it's not that though, trust me i had to drive 2 miles on hilly roads with just manual switching and using ebrake and to change it you have to pull out driver's headlight, a pita to change since space is limited and unlike every other car on the road the placement of it is horrible... did i mention they run for 2k from dealer, about $600 from junk yards? |
#3
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If someone just did a flush have it towed to them at their expense so that they can fix it. Odds are someone made a mistake and left something loose, and you do NOT want to be driving if the fluid in the master cylinder runs out leaving you unable to stop.
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"When you do things right, people won't be sure you've done anything at all" (Bender, futurama) You make something idiotproof, they'll make a better idiot You think professional is expensive, just wait until you pay for amateur. Never let your sense of morals prevent you from doing what is right. Examine what is said, not who speaks. X5 pics RIP 4.6is..... 2003 4.6is |
#4
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Weasel; please take a look at this diagram. It appears the leak is occurring in the area with part #2, (where #1 & #3 come together) looks to be just behind the driver’s front wheel. If a flush was performed, would they disconnect this section in order to do so and is it possible they didn't tighten properly? I dropped it off tonight to my Indy (who did the brakes and flush) and he'll take a look at it in the am. The "check brake fluid" and "DSC inactive" message came up while I was driving to the shop. I hope it's an easy fix and inexpensive repair.
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2022 X6///M - Toronto Red, Silverstone Full Merino Leather, Executive Package w/Remote Engine Start, Soft-close doors, Heated & Cooled Cupholders, Front Ventilated Seats, Front & Rear Heated Seats, Front Massaging Seats, Carbon Fiber Trim. 2002 X5 3.0i, Sport Premium, Titanium Silver, Grey Dakota, Cold Weather Pkg, Xenons, DICE, LED Tails, just a winter vehicle... 2007 550i, Sport Premium, Silver Grey Metallic, Grey Dakota, Nav, Cold Weather Pkg, Comfort Access, HD Radio, Xenons. |
#5
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That is not taken loose for a brake flush, only the bleed screws at the calipers really. Hopefully it is just a matter of tightening the lines in the connector and maybe a quick bleed of that line from the caliper end.
__________________
"When you do things right, people won't be sure you've done anything at all" (Bender, futurama) You make something idiotproof, they'll make a better idiot You think professional is expensive, just wait until you pay for amateur. Never let your sense of morals prevent you from doing what is right. Examine what is said, not who speaks. X5 pics RIP 4.6is..... 2003 4.6is |
#6
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I had leak in the same location, behind driver front wheel. Mine failed suddenly. Turns out the lines whent through an area where the plastic bottom protectors was holding water against the lines causing them to rust from the outside. My Local tech put in a patch.
I also have a failed master cylinder, but its not leaking. I have not yet bothered to replace it. At this point, i see no reason I should. Brakes work fine, just need a little extra travel. |
#7
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That can indicate a failure on one of the circuits in the master cylinder, meaning you have less braking. Not a good idea to keep driving it. When the second circuit fails you have nothing to stop you except the car in front.
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2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue |
#8
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isn't the master just for power assist?
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#9
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No, the master cylinder applies the brakes when you press the pedal. Two separate circuits, and when the seals fail in one it bottoms out and still works the other circuit. That is why the pedal goes further to apply the brakes. However, the corrosion that failed the first seal can also fail the second seal. Then you have no brakes.
The booster is for power assist, it is a separate component.
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2007 X3 3.0si, 6 MT, Premium, White Retired: 2008 535i, 6 MT, M Sport, Premium, Space Grey 2003 X5 3.0 Steptronic, Premium, Titanium Silver 2002 325xi 5 MT, Steel Grey 2004 Z4 3.0 Premium, Sport, SMG, Maldives Blue |
#10
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Msammy: did you fix this? I have the EXACT same problem and my indy mech says the salt and snow bundles up against the plastic and causes the line to rust out. He said he can patch it with pressure fitted lines, about a couple hundred dollars and he has done a few before.
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