Spark plugs on a 4.9 1995 Deville
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Northstar Engines and System Technical Discussion Discussion, Spark plugs on a 4.9 1995 Deville in Cadillac Engine Technical Discussion; Hello all, I am the happy owner of a 1995 Deville with the 4.9L engine and my car shows signs ...
  1. #1
    NoBubbles is offline Cadillac Owners Member
    Automobile(s): Cadillac
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    Mar 2007
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    Spark plugs on a 4.9 1995 Deville

    Hello all,
    I am the happy owner of a 1995 Deville with the 4.9L engine and my car shows signs of missfiring (shaking, no power,...).
    So I went to my mechanic and he told me it would cost about 600$ to do the whole plugs & wires set!!! The reason for this ridiculous price is that apparently it is very hard to get access to rear side plugs on this type of engine...
    I'm no mechanic and I trust my guy but still 600 box to change sparks... ugh!

    Does anyone know if there is a way to change these sparks myself and thus save like 500$?
    I don't have much experience working on cars but if it can save me that much (I'm on a pretty tight budget right now...) I'm totally willing to give it a try! (plus some of my roommates could give me a hand)

    Thanks in advance for your help!

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  3. #2
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: Spark plugs on a 4.9 1995 Deville

    Sure you can do it yourself. The rear plugs are very tight on the 4.9. You will invent new words and likely get some neat new scars on your hands, but $600 is rediculous.

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