How spark plugs get so far down there?
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, How spark plugs get so far down there? in Past Cadillac Vehicle Discussion; I have a 91' Sedan Deville {4.9 liter} How on earth am I suppose to get to the plugs in ...
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    MrSmith's Avatar
    MrSmith is offline Cadillac Owners Enthusiast
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    How spark plugs get so far down there?

    I have a 91' Sedan Deville {4.9 liter}

    How on earth am I suppose to get to the plugs in the back near the fire wall? Is there a secret I need to know about? were is the PCV on this engine? I want to do the right thing but Im not trying to mess things up. I usually work on my own Imports. Nissan Max, Acura Legend, Toyota Carolla, Honda Civic are the only cars Ive changed the plugs on. The Maxima was the hardest but Dang this Deville put its plugs light years away from arms reach.

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    disruptive_entity's Avatar
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    Re: How spark plugs get so far down there?

    all you have to do is get under the car. if you're not a small child it will probably be easier to do this if you use jackstands or ramps to elevate the front end. they're quite simple to get at from under the car.

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    Talking Re: How spark plugs get so far down there?

    Quote Originally Posted by disruptive_entity
    all you have to do is get under the car....... they're quite simple to get at from under the car.


    Thanks. I knew there had to be a better way.

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    RBraczyk's Avatar
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    Re: How spark plugs get so far down there?

    PCV should be on a valve cover. Ask msilva i believe

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    Re: How spark plugs get so far down there?

    Stand on the left side of the car and bend over the fender. You can reach down beside the engine from beside the transmission bellhousing to reach the plugs on the right hand bank. You end up reaching down and forward along the side of the engine. You can't see the plugs but they are not that hard to get to that way. It is hard to reach the plugs going straight down from above between the valve cover and the firewall....but underneath the width of the cylinder heads from the back of the engine is much easier.

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