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  1. #1

    Join Date
    26 Dec 2017
    Location
    New York
    Posts
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    Saab(s)
    9-3 2.0T
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    Post Random ticking noise on cold start for about a minute

    Hello all, my 08 2.0T makes a random ticking sound on coldstart. The sound goes away after 45seconds to a minute and if the car is restarted when warm, it does not happen again. (I remember reading something about intake valves...) Car has about 70K on it and no engine DTCs. Here is an audio file of startup: https://www.dropbox.com/s/rf1rldyx7y...t%201.mp3?dl=0

    Any comments are greatly appreciated.

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  2. #2
    Saab Owner Digger's Avatar
    Join Date
    28 Oct 2016
    Location
    Minneapolis Minnesota
    Posts
    971
    Saab(s)
    2006 9-3 2.0t SportCombi
    Thumbs Up:   143
    Random ticking could be several different things making noise.

    Locate where the sound is coming from, lower end crankshaft ticks are bad news, top side could be, loud clicking injectors you get to them when you get to them, EGR noise like this means it's time for cleaning and purge valve making noise is normal. Mechanics stethoscope from Harbor Freight is a few bucks and I use one about twice a year. Long screwdriver touching different parts with handle pressed to the ear isn't as convenient but works almost as well.

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  3. #3

    Join Date
    26 Dec 2017
    Location
    New York
    Posts
    2
    Saab(s)
    9-3 2.0T
    Thumbs Up:   0
    Thanks. I think I will try that.

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