Question about 1993 Toyota Tercel

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1993 TOYOTA TERCEL 1500cc Valve Seals Replaced now smokes much worse

I had a burnt exhaust valve on my 3E 93 Tercel. Sent the head in to machine shop, they machined head and replaced 4 exh valves and all valve seals with Toyota seals. They did not replace the rocker arm seals although my Haynes manual advises to. After putting together motor when starting up I have huge amount of oil smoke coming out tail pipe and black oil dripping out of the exhaust manifold. I have taken apart twice changing gaskets each time, all gaskets fine. No water in smoke, clear bluish smoke out tail pipe, exhaust ports saturated with black oil yet clean oil still in the oil pan(new oil). Would the rocker arm springs cause this, did I damage injectors on installation causing too much fuel? car idles and runs great but neighbours thought my house was on fire so much smoke.

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  • brittsdad Oct 21, 2008

    Thank you ToyotaEd. Thats exactly what I thought and did...this time installing original Toyota seals. Installed again, problem still there. Had no other choice but to change rings. This was the problem, oil seal rings stuck to pistons, all 4!!?? this car showed no signs of burning oil prior to rebuild. Maybe because machine shop machined the head as a precaution the compression increased slightly to cause problem to appear, Im guessing. All I know is it is now running fine. Machine shop told me Toyota has a bulletin out regarding problem oil seal rings on 3E toyota motors, not confirmed .This one really confused me, all compression tests were fine yet oil was billowing out tail pipe.Note the compression rings were fine but changed anyway. Hope this helps someone else in the future with same problem.

  • Anonymous Mar 13, 2014

    Smoke and oil consumption

  • Anonymous Mar 13, 2014

    Can damage in brain box cause black smoke from the exhaust?

  • Anonymous Mar 14, 2014

    1996 toyota tercel front crank oil seal replace

  • Anonymous Mar 16, 2014

    Can too much oil cause excessive exhaust smoke

  • Anonymous Mar 17, 2014

    I have a 1999 Toyota corolla AE110 and its smoking black smoke from the tail pipe and also burns an excessive amount of fuel!

  • Anonymous Mar 17, 2014

    on my 2.5crdi kia sorento changed head and block on, turbo one injectors and check injector for leak the vehicle emits alot of smoke on start up, on take offt he vehicle is a bit tardy and it emits smoke the tail pipe has black powered tar

  • Anonymous Mar 18, 2014

    new valve oil seals but still billowing oily smoke

  • Anonymous Mar 18, 2014

    Gilera runner 210 problems pls read any advice is welcomed
    My runner top end gaskets were changed it ran fine for 5 mins then felt like if it had 2 cyclinders it was only runnin on 1 lack of power bit I havent changed air filter or anything but for some reason fumes come out the water tank when cap is off and on the rocker cover pipe that lets compression into the air box its got either water or condensation coming out it seems to much for condensation but as I say I havent changed filter so it could be coming from air filter there threw carb and threw the valves into rocker case n then into airbox im totally blagged any ideas why loss of power like its a 50cc and also fumes smoke coming out water tank and the rocker cover over flow havin excess water

  • Anonymous Mar 25, 2014

    what can be the cause of black smoke, changed airflow meter and the car still smokes, i am told the brainbox is faulty

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  • Toyota Master
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You either have had the wrong valve seals installed, they are physically missing, or the valves are incorrect (too loose in the guides/stem too thin). The rocker arm seals will not contribute to your issue. If it did not have the oil smoke before you took the head off, the issue is with whatever the machine shop did. Valve seals have to fit TIGHT, or oil will go down the valve stem into the intake.
Take the head back to the machine shop & tell them to fix it. For free.

Posted on Sep 27, 2008

  • Toyota Ed Oct 21, 2008

    The compression rings do just that: control the compression. The oil control rings are in charge of keeping if from smoking...you ca have great compression, and it will smoke like a steam engine if the oil control rings are siezed or worn...

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Changed head gasket on a1993 toyota tercel.now i,am getting water in my oil

Posted on Nov 04, 2010

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