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  1. #1
    Zachary Houseknecht
    Swedish Tank Operator zmhcreative's Avatar
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    18 Jul 2013
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    Harrisburg, PA
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    Saab(s)
    1988 Saab 900 SPG
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    Unhappy Blown Turbo?!

    So I'm at a the last light away from home on my way back from work on Friday, and I begin to feel fluctuations in idle.....but once I left the light (getting to about 2k rpm's it seemed to go away) only slight power loss was noticeable. I then proceed to park, and last thing I do is reverse....well there's the kicker - my Saab sounds like a motorcycle instantly - power (which I don't have to use much) is pretty much not there, and as I reverse smoke is pouring out from the front end....

    Instead of really investigating it - I went ahead and replaced the spark plugs (which were in need of replacing). Thinking the power issues/misfiring was from the spark plugs or DI.

    I go to start it up today after having replaced said spark plugs, it ran fine for about a second and then this....

    https://docs.google.com/file/d/0B0oz...it?usp=sharing

    And this is the area that smoke was primarily coming from.....
    Name:  blownturboquestionmark.jpg
Views: 427
Size:  46.7 KB


    So I beg to ask the question? Blown turbo?

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    -- My Fleet --
    1988 Saab 900 SPG - Just passed 270k
    1996 Saab 9000 CSE - About to hit 200k

  2. #2
    Zachary Houseknecht
    Swedish Tank Operator zmhcreative's Avatar
    Join Date
    18 Jul 2013
    Location
    Harrisburg, PA
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    40
    Saab(s)
    1988 Saab 900 SPG
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    I will also add there is no smoke from the tailpipe, so am I over exaggerating what may just be head gasket, or valve gasket?

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    -- My Fleet --
    1988 Saab 900 SPG - Just passed 270k
    1996 Saab 9000 CSE - About to hit 200k

  3. #3
    Mike
    Moderator Shazam's Avatar
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    30 Jul 2010
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    Rochester, New York, USA
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    1,987
    Saab(s)
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    When a turbo goes, it typically has a shrieking scream of death. It's a high pitch sound that can range from a whine, to "TURN IT OFF, TURN IT OFF!!!"

    You can typically do a quick check on the shaft play of the turbo by removing some of the piping to reveal the inner turbine blades. If you can wiggle the turbine blade around, or the blades look like they've been rubbing, you've got turbo issues. I'm not sure how this is done on the 9000 to gain access, but on my 900 it is a pretty easy job.

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