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White smoke on startup for short period - Tundra V 8

Discussion in '1st Gen Tundras (2000-2006)' started by bootheg001, Mar 4, 2020.

  1. Mar 4, 2020 at 11:59 PM
    #1
    bootheg001

    bootheg001 [OP] New Member

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    Changed valve stem seals. Smoking worsens.On startup,engine revs at 2200 rpm for a short duration after which the white smoke disappears after the engine rev falls. Mechanic suggests rings need changing. Engine mileage only 100,000. Any comments?
     
  2. Mar 5, 2020 at 3:43 AM
    #2
    tvpierce

    tvpierce Formerly New Member

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    100K is really low mileage for worn rings. A compression check would tell you a lot. A leak-down test would tell you even more. Without one of those test, it's impossible to diagnose rings as the problem.
     
  3. Mar 5, 2020 at 5:54 AM
    #3
    FirstGenVol

    FirstGenVol The "Mangler"

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    Too many
    You sure it's actual smoke and not just a bit of condensation being blown out during a cold start?
     
  4. Mar 5, 2020 at 6:01 AM
    #4
    JohnLakeman

    JohnLakeman Burning Internet Daylight

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    White "smoke" is not oil, and your "mechanic" knows that. Burned oil in exhaust smoke is blue. It could be condensing water vapor as suggested, or it could be coolant leaking past head gasket. In my paranoid opinion, mechanic has nicked you for the valve seals, now he's trying to get you over the barrel again for a complete tear down. Find another mechanic.
     
  5. Mar 5, 2020 at 8:49 AM
    #5
    SouthPaw

    SouthPaw The headlight guy

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    FWIW, my used to do that every now and then. Cleaned the throttle body and have never seen it since.
     
    abcinv likes this.
  6. Mar 5, 2020 at 8:58 AM
    #6
    Cthulhu

    Cthulhu Executive Redneck

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    Agreed, white smoke might be a head gasket...
     
  7. Mar 5, 2020 at 9:10 AM
    #7
    Randy Morton

    Randy Morton Life takes its toll, please have exact change.

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    If it's a bad head gasket, you'll see a drop in the coolant level. You might also see some contamination from combustion particles getting into the coolant. Mine does the same thing and you can see clear water at the end of the tailpipe. It's condensation that forms as the system cools down. Once it's warmed up, there's no steam (it's not really smoke) and no problem with fluid levels. I, too, believe that the major problem here is that your mechanic is either incompetent, crooked, or some combination of the two.
     
    JohnLakeman, PCJ and Filthyphil like this.

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