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  1. #1
    Active Member Two Rings
    Join Date
    Mar 18 2007
    AZ Member #
    16512
    Location
    Ottawa Ontario Canada

    Can brake fluid leak onto an exhaust component?

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    Hi guys,

    I searched and search but I couldn't find an answer. Here is what's happening.

    - Drive and all is fine BUT

    - if I brake hard I'll start to smell something burning

    - the smell is definitely coming through the vents

    - It almost smells like burn oil but it is missing something which leads me to believe it's brake fluid

    - After I take off again, the smell eventually goes away.

    -Now the (0) light is flashing three times along with the beep which seems to mean that I need more brake fluid.

    This has me thinking there's a leak somewhere in the brake system which is causing brake fluid to leak onto a part of the exhaust. Has anyone ever experienced this and if it is brake fluid, would anyone know where this leak may be occurring???

    P. S. I know what burn oil smells like (had a leaky valve cover for awhile until it was fixed) and I don't think it's oil, close though.... I'm just putting two and two together. 1. Weird burning smell and 2. low brake fluid a few weeks later.


    Can someone PLEASE Help

  2. #2
    Veteran Member Four Rings onceover's Avatar
    Join Date
    Jun 08 2008
    AZ Member #
    29690
    My Garage
    B8 A4, 964 Carrera, 955 Cayenne S, MK1 Cabrio, T2b Westfalia
    Location
    Calgary AB Canada

    Re: Can brake fluid leak onto an exhaust component?

    wouldnt a brake fluid leak lead to your brakes not functioning properly?

    do you have a spongy pedal? and signs of brakes failing?

  3. #3
    Veteran Member Four Rings old guy's Avatar
    Join Date
    Dec 28 2006
    AZ Member #
    14483
    My Garage
    '13 A5, '24 Tiguan SEL R-Line
    Location
    Western Maryland

    Re: Can brake fluid leak onto an exhaust component?

    Check your front calipers for signs of leaking. you may have a leaky piston seal. When you hit the brakes hard the brake fluid could be leaking and getting on the rotors. Thus the burning smell.
    '03 A4 5-MT Motoza tuned Frankenturbo F21L With full supporting mods. Sold (and missed dearly).
    '13 A5 6-MT Needs more Fun Stuff: Neuspeed PM / 3.0 TDI Intercooler / H&R OE Sport Springs / Bilstein B8 Shocks / TyrolSport Brake Stiffeners / ECS Short Shifter / S5 Side Skirts / RS Grille

  4. #4
    Active Member Two Rings
    Join Date
    Mar 18 2007
    AZ Member #
    16512
    Location
    Ottawa Ontario Canada

    Re: Can brake fluid leak onto an exhaust component?

    No signs of brakes failing but the faulty seal sounds like a strong possibility. I'll check it. Just to add, there are no leaks on my driveway so whatever it is, it's minor. I just hope the repair bill isn't if I have to take it to a garage.

    I'd love to hear more opinions if anyone else has experienced the same issue.

    Chers and Thanks :)

  5. #5
    Senior Member Three Rings kastro's Avatar
    Join Date
    Mar 20 2008
    AZ Member #
    26665
    My Garage
    04.5 1.8TQ Tip A4 Black -
    Location
    Ottawa, Ontario

    Re: Can brake fluid leak onto an exhaust component?

    what part of ottawa u located man..

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