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I think my head gasket is blown

Discussion in '4 Cylinder' started by mbtech208, Dec 19, 2009.

  1. Dec 19, 2009 at 6:05 PM
    #1
    mbtech208

    mbtech208 [OP] Well-Known Member

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    Peoria, Illinois
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    '97 Tacoma, 2.7, 236,000 miles. Lately I've been getting a misfire on cylinder #1 on every cold start, code P0301. Plugs are new, NGK, gapped to spec. I checked my coolant level, and the bottle was empty, so I filled it. The radiator was a bit low too. This morning, I started it, it misfired for about 30 seconds, and left a trail of white smoke behind me for the first 2 miles. I stopped and smelled the smoke, and it's definitely sweet-smelling. Are head gaskets a known problem on the 2.7? Any tricky areas to watch out for if I end up pulling the head?
     
  2. Dec 19, 2009 at 6:25 PM
    #2
    VLANDER005

    VLANDER005 Well-Known Member

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    31" Goodyear MTR's
    I am going through changing the head gasket on my 96 tacoma 2.7. It hasn't been too bad except make sure to follow the instrucions in the toyota FSM closley. Use the
    08826–00080 seal packing it calls out and torque everything properly. I used black rtv silicone and will probably be changing it again. Also, I cannot get the truck started again due to not marking TDC on the distributor & upper timing gear.
     
  3. Dec 19, 2009 at 6:26 PM
    #3
    VLANDER005

    VLANDER005 Well-Known Member

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    At least you made it to 200k plus...I only have 130k on mine.
     
  4. Dec 19, 2009 at 6:26 PM
    #4
    VLANDER005

    VLANDER005 Well-Known Member

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    Let me know how it goes and if yours starts after.
     
  5. Dec 19, 2009 at 8:26 PM
    #5
    mbtech208

    mbtech208 [OP] Well-Known Member

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    Luckily, mine is a '97 so it doesn't have a distributor. Were you getting the misfire and the white smoke too? If not, what were your symptoms? Also, was there an obvious defect in the gasket when you pulled the head off?
     
  6. Dec 20, 2009 at 7:25 AM
    #6
    VLANDER005

    VLANDER005 Well-Known Member

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    31" Goodyear MTR's
    It went from bad to worse within a 24 hour period. White smoke, terrible idle and barley running.
     
  7. Dec 20, 2009 at 7:38 AM
    #7
    VLANDER005

    VLANDER005 Well-Known Member

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    31" Goodyear MTR's
    Plus I could smell antifreeze in the exhaust and the radiator was about half empty.
     
  8. Mar 11, 2010 at 7:19 PM
    #8
    finnigan

    finnigan Member

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    When the engine is cold, fill up the rad, take off the cap and see if there is compression in the coolant. It will be bubbling. Also if oil is slimy on dipstick this another indication. But yes white is steam and will be water, blue is oil and black is too much fuel. Try not to run it too long before you fix it because your pistons will get pitted.

    I should add that if the coolant is really low then after you fill the rad and start the engine it might burp as the air comes out of the block but will be different than compression bubbling and surging of the water. Also this doesn't always show if you have a head gasket problem. Compression test is best.
     
  9. Mar 11, 2010 at 8:33 PM
    #9
    mbtech208

    mbtech208 [OP] Well-Known Member

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    Thanks for the advice, but this is old news now. I pulled the head, the gasket was blown. I drove it 500 miles, and the rod bearings spun, which ruined the crankshaft. It has a new(er) engine now.
     
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