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Thread: Plz help smoke coming from ignition boots

  1. #1
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    Default Plz help smoke coming from ignition boots

    I removed heat shields for ignition leads just for testing and i drove the car after that I stoped opened the bonet and removed the wire boot end of one and I noticed alot of smoke coming out and then it stops. What does that means?

  2. #2
    hako is offline Donating Member
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    Maybe when you removed the lead some oil dropped onto the exhaust manifold - check to see if there is a lot of oil around where the spark plug screws into the cylinder head - it is not unuisual for oil to leak from the rocker covers and lodge in the spark plug recess.
    Good Luck.
    "If anyone disagrees with anything I say, I am quite prepared not only to retract it, but also to deny under oath that I ever said it." --T. Lehrer
    "The secret of success is sincerity. Once you can fake that you've got it made." -- Jean Giraudoux

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    I didnt removed the spark plug. I removed only the rubber boot of the wire.

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    hako is offline Donating Member
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    The spark plug recess can get filled or saturated with oil that leaks from the rocker cover - it collects in the spark plug recess - and the spark plug rubber boot covers the plug, and if there is a lot of oil there it will get onto the boot, then the oil drops on the hot manifold as you pull the plug boot off and smoke appears. Oil also will creep up the side of the spark plug and fill the inside of the plug boot - then drop on the HOT manifold.
    I'm not saying that this is the cause of what you describe - I'm just suggesting that this may be a cause. You say you removed the heatshield - this could cause the plug boot to overheat from radiated heat from the hot manifold - so I'd replace them as they ain't just there to make the engine look pretty.
    "If anyone disagrees with anything I say, I am quite prepared not only to retract it, but also to deny under oath that I ever said it." --T. Lehrer
    "The secret of success is sincerity. Once you can fake that you've got it made." -- Jean Giraudoux

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    Alright mate so do u think it is a big deal if the roker cover gasket are leaking although I did replaced the gaskets last month.

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    I did change engine oil 2 days ago and instead of putting 4.8 ltrs I put 5 ltrs . Is it because of this?
    Last edited by rocket0000; 13-10-2010 at 11:18 PM. Reason: Wrong

  8. #8
    hako is offline Donating Member
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    The engine only takes 4.3 litres including the filter so you've overfilled it by 700ml which I'd certainly drain out - it may not have caused the problem you describe however. Overfilling by that amount can cause the oil to foam due to crankshaft sitting in the oil plus can blow seals.
    Easiest way to drain 700ml is to slacken the oil filter to let it empty - then tighten and start engine - repeat. Check dipstick after each drain. This is messy but if you do it over dirt or gravel or a pan then it's no big drama. Check you haven't overtightened the rocker cover bolts which can distort the seal and cause a leak.
    Good Luck.
    "If anyone disagrees with anything I say, I am quite prepared not only to retract it, but also to deny under oath that I ever said it." --T. Lehrer
    "The secret of success is sincerity. Once you can fake that you've got it made." -- Jean Giraudoux

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