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  1. #1
    Established Member Two Rings B1GW3AV3R's Avatar
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    May 04 2017
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    398924
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    2002 Honda s2000 2001 Audi s4
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    PA

    Please help! Sizzling sound from exhaust!

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    Please help, I had the apr downpipe exhaust system installed a week ago, and today when I turned my car off after driving a short 20 minute drive it was making this noise. Here's a quick video of the sound. Going to get it looked at ASAP , but am I okay driving it until then ?

    https://youtu.be/8adaGPjPc1w

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  2. #2
    Junior Member Two Rings
    Join Date
    Nov 07 2016
    AZ Member #
    384887
    Location
    SoCal

    Well it's obvious some type of liquid is leaking onto your exhaust causing the sizzling sound. But, what type of liquid? Coolant? Video looks grainy to me, but appears clear. Were yiub running A/C? Maybe something was moved when exhaust was worked on that now A/C condensation drips onto exhaust. Does it smell like gas? Lots of questions for sure.

    Completely unrelated to exhaust; windshield wiper reservoir leak that possibly running onto exhaust?

    Mom drives our B8 and I can't take a look at what is just above the area where your liquid isbdripping from.

    Sent from my SM-G955U using Tapatalk

  3. #3
    Established Member Two Rings B1GW3AV3R's Avatar
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    May 04 2017
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    398924
    My Garage
    2002 Honda s2000 2001 Audi s4
    Location
    PA

    I was running the AC doesn't smell like anything and it's clear liquid

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  4. #4
    Established Member Two Rings B1GW3AV3R's Avatar
    Join Date
    May 04 2017
    AZ Member #
    398924
    My Garage
    2002 Honda s2000 2001 Audi s4
    Location
    PA

    Quote Originally Posted by dmperfection101 View Post
    Well it's obvious some type of liquid is leaking onto your exhaust causing the sizzling sound. But, what type of liquid? Coolant? Video looks grainy to me, but appears clear. Were yiub running A/C? Maybe something was moved when exhaust was worked on that now A/C condensation drips onto exhaust. Does it smell like gas? Lots of questions for sure.

    Sent from my SM-G955U using Tapatalk
    And I never run the AC but this time I did and this is the first time I've heard it

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  5. #5
    Junior Member Two Rings
    Join Date
    Nov 07 2016
    AZ Member #
    384887
    Location
    SoCal

    Quote Originally Posted by B1GW3AV3R View Post
    And I never run the AC but this time I did and this is the first time I've heard it

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    Seems to me it can only be A/C condensation, windshield wiper leak (if you happen to have water in the system instead of the colored washer fluid), or coolant. Oil would definitely smoke, fuel has a very obvious odor, and coolant is colored and has a distinct odor as well.

    On my other cars, A/C condensation is released through a short tube or hose. Like I said before, maybe the tube or hose was re-routed or left in an awkward position when exhaust work was done cause the water to drip on to exhaust.

    Here's another thought. In the normal combustion process, there is some condensation that results in water dripping out of the tail pipe. My '02 Tahoe has a small exhaust leak in the muffler and the condensation leaks out of there. Maybe, and I'm just grasping at straws here, there is an exhaust leak that allows the condensation to leak. But I think this is a far stretch; anytime exhaust is worked on, the tech will have an exhaust leak detector to make sure everything is buckled down tight and no exhaust leaks are present.

    Is it safe to drive, well, if it's truly water, I don't think it's an issue. But, I'd definitely take the car back to have the exhaust people take a look to see if the work they did is the cause.

    Sent from my SM-G955U using Tapatalk

  6. #6
    Established Member Two Rings B1GW3AV3R's Avatar
    Join Date
    May 04 2017
    AZ Member #
    398924
    My Garage
    2002 Honda s2000 2001 Audi s4
    Location
    PA

    Quote Originally Posted by dmperfection101 View Post
    Seems to me it can only be A/C condensation, windshield wiper leak (if you happen to have water in the system instead of the colored washer fluid), or coolant. Oil would definitely smoke, fuel has a very obvious odor, and coolant is colored and has a distinct odor as well.

    On my other cars, A/C condensation is released through a short tube or hose. Like I said before, maybe the tube or hose was re-routed or left in an awkward position when exhaust work was done cause the water to drip on to exhaust.

    Is it safe to drive, well, if it's truly water, I don't think it's an issue. But, I'd definitely take the car back to have the exhaust people take a look to see if the work they did is the cause.

    Sent from my SM-G955U using Tapatalk
    Thanks for the advice!

    Sent from my Pixel using Audizine mobile app

  7. #7
    Senior Member Two Rings helldriver's Avatar
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    Oct 25 2014
    AZ Member #
    290810
    Location
    Cincinnati, Ohio

    Mine did that to, kinda freaked out at first, but yeah its the a/c drain.
    2008 Audi RS4

  8. #8
    Junior Member Two Rings
    Join Date
    Nov 07 2016
    AZ Member #
    384887
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    SoCal

    Quote Originally Posted by helldriver View Post
    Mine did that to, kinda freaked out at first, but yeah its the a/c drain.
    Ah ha! Mystery solved! lol

    Sent from my SM-G955U using Tapatalk

  9. #9
    Established Member Two Rings B1GW3AV3R's Avatar
    Join Date
    May 04 2017
    AZ Member #
    398924
    My Garage
    2002 Honda s2000 2001 Audi s4
    Location
    PA

    Quote Originally Posted by helldriver View Post
    Mine did that to, kinda freaked out at first, but yeah its the a/c drain.
    Almost had a heart attack when I stepped out of my car

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  10. #10
    Senior Member Two Rings helldriver's Avatar
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    Oct 25 2014
    AZ Member #
    290810
    Location
    Cincinnati, Ohio

    [QUOTE=B1GW3AV3R;12449500]Almost had a heart attack when I stepped out of my car

    Yeah as soon as I got home from the shop after the install I noticed it, I've had it up on the lift a few times since then for other reasons but forgot about it.
    2008 Audi RS4

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