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Thread: Corolla 93 blue smoke at startup!

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    worldlife27's Avatar
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    Default Corolla 93 blue smoke at startup!

    I have a corolla 93.... The car is in total genuine condition from exterior to interior and the engine is 101% genuine... From couple of months the car is emitting blue smoke just on startup... Few mechanics told me to replace the valve seals and piston rings...they said its the valve seals only but do change the rings as well..... Plzz suggest me what should i do??? Jst keep in mind the car engine is genuine


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    Well the mechanic told you to overhaul the engine in other words its a 93 model and if it has a genuine engine its 21 years

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    if the amount of smoke is too much the your piston rings are gone! and the valve seals also! check one thing.. drive the car for a few minutes then turn off the engine and open the engine oil filling cap! if there is smoke coming out of it (BACK Pressure) then your engine needs work, the oil will also get black and you car will reduce engine oil.. as mechanics say oil khayegi gari!

    Its a 21 year old car dear it is supposed to get such problem! i have been there!

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    Thanku all for ur replies... I drove the car for around 50km then chkd the filling cap there is no smoke... Instead when i change my oil after 3k.... The colour of oil is golden... Never got black.... Now its being a month im drivng the car... There is no smoke at startup cold and hot both also i hav started my car after 2days but nt even a small amount of smoke... The oil level total fine... Wat u guys recommend after these conditions??

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    Quote Originally Posted by worldlife27 View Post
    I have a corolla 93.... The car is in total genuine condition from exterior to interior and the engine is 101% genuine... From couple of months the car is emitting blue smoke just on startup... Few mechanics told me to replace the valve seals and piston rings...they said its the valve seals only but do change the rings as well..... Plzz suggest me what should i do??? Jst keep in mind the car engine is genuine
    Blue smoke from exhaust is an indication of oil coming past the piston and into the combustion chamber. This is due to damaged / old stuck oil rings on the piston that need replacement.
    Also, the oil may leak into the combustion chamber due to old / damaged head valve seals.
    An engine overhaul is necessary at this stage. Delaying it may increase the problem and would cost you more with regards to overhauling.

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    delaying an overhaul will cause serious damage to the pistons!

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