Spark Plug Change DIY

Discussion in '3rd Gen DIY' started by OlDirtyJohn, Oct 30, 2010.

  1. OlDirtyJohn

    OlDirtyJohn Senior Member

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    2004 Quad Cab 2500 *Sold*
    Engine:
    Hemi 5.7
    OK guys, here it is. A DIY on how to change the spark plugs in your 3rd Gen Hemi Ram.

    What you will need:
    16 New Spark Plugs (preferably copper)
    Basic Ratchet set
    A few different sized extensions
    Spark Plug Socket
    Anti Seize

    To start, park your truck, let it cool off, and open the hood.

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    Note: Under my hood is dirty, dont let yours start looking like this.

    Next, take off your intake, and disconnect your battery.

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    I like to start on the passenger side plugs first, because they are easier. Locate your first coil on the passenger side, and remove the 2 bolts holding it in place with a 10mm socket.

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    then simply pull out the coil and also the plug boot for the plug next to it. (note, i have shorty wires, so mine might look different than yours, the process is still the same though)

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    Now, attach your plug socket to an adequate length extension, and remove the plugs.

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    Now that you have the first two plugs removed, grab your 2 new plugs, properly gap them with a gapping tool, apply a little antiseize to the threads, and put them in in the exact opposite as you took the old ones out. once the plug is snug, tighten it down approximately 1/6 of a turn. replace the coil, and tighten that back down.

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    Now, move on, and do the same exact thing you just did to all the rest of the plugs.

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    Once you get to the hard to reach plugs, you will no longer be able to use your 1 long extension. Instead, use several smaller extensions, and place them into the hole one piece at a time.

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    Now for the last 2 pairs of plugs, the dreaded 4 under the brake booster. OH NO! Actually, its no big deal. Just take off both coils, and the coil next to them. Be sure to keep them in order and dont mix those 3 up. Then just slip your tools one piece at a time into the spark plug hole. Socket first, then a medium length extension, then your ratchet. Loosen the plug, remove the ratchet, pull up until you can get a finger on the socket, remove the extension, then pull the socket with plug attached out of the hole. No big deal.

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    In the above pictures, you can see that I have a full sized 3/8" ratchet under the brake booster. I have plenty of room to work, and to turn the ratchet. Those last 4 plugs may look like a daunting task, but as long as you put one piece in at a time, its a piece of cake.

    Total time for me to complete the entire plug change was under 2 hours.
     
  2. OklaHemi

    OklaHemi Supporting Member

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    nice write up. its about time to change mine
     
  3. onebadbee

    onebadbee Senior Member

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    pulled my over flow pulled my fan took off my nightmare of a set up intake

    had the plugs changed gapped everything in 3 hours
     
  4. blk05hemi

    blk05hemi Senior Member

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    Great DIY
     
  5. OlDirtyJohn

    OlDirtyJohn Senior Member

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    Hemi 5.7
    thanks guys! just trying to help. maybe now some guys who were on the fence about changing their own plugs will man up, and get to work. screw giving our hard earned money to the dealerships!
     
    Whatever and BigDreams like this.
  6. Off_Road_Teacher

    Off_Road_Teacher Banned

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    Great writeup. It shows that it really isn't that hard to change the plugs on these engines.
     
  7. shadow11

    shadow11 Banned

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    Nice write up. I got to change mine in a few weeks
     
  8. Trupiano

    Trupiano Registered User

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    6.7L CTD
    Here's a pic to help, if anyone gets confused reconnecting spark plug wires/coils.

    [​IMG]
     
  9. KGBIGCOUNTRY

    KGBIGCOUNTRY Senior Member

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    A small magnet to pull the plugs out can be easier then trying to keep the plug in socket if you dont have a socket with the rubber boot. Good write up there bud.
     
  10. 04hemi

    04hemi Junior Member

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    That was a great right up happy to know that it will be fairly easy to change mine. Thanks
     

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