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1994 Toyota Tercel

Question: oilleak

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desirae, 1.5L 4 Cylinder, Elmendorf, TX, October 04, 2010, 18:03
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 Rookie

why would my car blow oil out of the dipstick

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  • Answer #1

    patrick mannion from Greg Solow's Engine Room, October 04, 2010, 21:17
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     Master

    A certain amount of oil will blow out of the dipstick if it is not fully pressed down the crankshaft spins around at thousands of revolutions per minute. Are there other engine oil leaks as well. If an engine is "tired" the piston rings don't seal and you get what is called "blow bye" compression leaks past the piston rings causing crankcase pressure forcing oil out.

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  • Answer #2

    Autotyme Automotive Inc. (383 Answers) , Vista, CA - (760) 631-7277
    autotyme October 05, 2010, 17:47
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     Enthusiast

    too much oil or
    this engine has too much compression going past the piston rings this is common when this engine get about 150k miles on it
    might try thicker oil like 20/50 this may help
    Good Luck
    Tom

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