Replaced my plugs today- very easy! - Dodge Charger Forums
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#1 Old 08-12-2007, 08:13 PM
DA X 6
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Replaced my plugs today- very easy!

Well, today I pulled the plugs. I had 29,549 miles on the General, and it was time. I HIGHLY recommend this as a DIY project based on what others report dealers charging for this maintenance. I've heard figures of $250.00 to well over $400.00. I paid ~$25.00 for 16 OEM Champion RE14MCC4 plugs from rockauto.com.

Here are a few post mortem thoughts:

1) Unlike other cars I've worked on, the rearward plugs were easier to pull. The plugs for #1 cylinder were blocked by the oil dipstick tube, and it was necessary to pull the airbox to access the plugs for #2 (those of you with CAI's can probably avoid that step).

2) A rudimentary socket set is all that is required. You need a 5/8" spark plug socket, a U-joint, and a 4" extension, in that order.

I would have posted pics, but wife & kids were away for the weekend and took the camera with them...

The whole process took me about 2 1/2 hours, mostly because I kept having to go back into the house for more beer...

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#2 Old 08-12-2007, 08:16 PM
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Just a general question, how often should you change out plugs?




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#3 Old 08-12-2007, 08:19 PM
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Originally Posted by 06MDCharger View Post
Just a general question, how often should you change out plugs?

Every 30,000 miles for the 5.7s.
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#4 Old 08-12-2007, 08:20 PM
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every 30k. . .
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#5 Old 08-12-2007, 08:20 PM
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Dodge recommends 30K interval between changes. That is probably because they are a copper plug, and over time the copper center electrode wears, causing an increase in spark plug gap, which eventually will cause misfirings. A full platinum plug is less prone to gap wear (though it will still happen but over a longer period of time). That is why Ford and GM use platinum plugs, and say 100K miles before the first tune up.

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#6 Old 08-12-2007, 08:25 PM
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Oh, I also meant to say that if you have jack stands, or ramps, lift the front end and remove the belly pan, because you're GONNA drop stuff. I dropped the socket & plug TWICE, and the coil pack bolts THREE times!
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#7 Old 08-12-2007, 08:33 PM
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3.5 uses platinum every 100k.
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#8 Old 08-12-2007, 08:38 PM
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Quote:
Originally Posted by DA X 6 View Post
Oh, I also meant to say that if you have jack stands, or ramps, lift the front end and remove the belly pan, because you're GONNA drop stuff. I dropped the socket & plug TWICE, and the coil pack bolts THREE times!
I second that. I did my plugs at 30K and in the middle of replacing them, I dropped my socket. I didn't have the belly pan removed and I couldn't drive the car on the ramps to remove it. I had to pull the splash shield just under the front bumper and stick my arm in the pull out the socket.

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#9 Old 08-12-2007, 08:42 PM
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I'm actually looking forward to changing the plugs on my 5.7 after having to do the plugs on my dad's 3.9 in his Ram 1500 Van today.

It was the first time I've worked on a vehicle from the inside, outside, and underneath just to try to get one stinking plug out.
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#10 Old 08-12-2007, 08:46 PM
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Originally Posted by Manris View Post
I'm actually looking forward to changing the plugs on my 5.7 after having to do the plugs on my dad's 3.9 in his Ram 1500 Van today.

It was the first time I've worked on a vehicle from the inside, outside, and underneath just to try to get one stinking plug out.

Yeah, your R/T will be much easier- there's no need to be a contortionist at all. I did use a breaker bar on #7, but all else was very easy.
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