Spark Plug Heat Shield Removal - Dakota Durango Forum
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post #1 of 30 Old 07-28-2008, 09:39 AM Thread Starter
dakota014x4
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Spark Plug Heat Shield Removal

im just curious about any long term ill effects on removing those spark plug heat shields on a 3.9 v6. im going to be installing the napa premium wires and just afraid off cooking the boots, thats all. Is it worth removing these things?

3.9L V6, 42RE HD rebuilt automatic, HD torque converter, 4x4, K&N FIPK, Magnaflow 18" SI/DO, pioneer headunit, ipod hook up, sattelite radio
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post #2 of 30 Old 07-28-2008, 02:43 PM
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Yes, it's worth it.

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post #3 of 30 Old 07-28-2008, 02:58 PM
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are they just pressed on?

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MY BILLET SLIDESHOW
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post #4 of 30 Old 07-28-2008, 03:10 PM
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Quote:
Originally Posted by moore_716 View Post
are they just pressed on?
Yes dim bulb. A pair of vice grips, pliers and elbow grease is all you need

Chris
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post #5 of 30 Old 07-28-2008, 03:54 PM
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No you do not need the shields. Mine hit the trash 8 years ago. The make changing the plugs a lot harder and trap dirt around the plugs. Grab the shield next to the split and twist in.

99 Durango 5.9, FT 4x4, IP stage III w/ K&N air hat, M1, SCT, Fastman TB, 1.7 RR, JBA headers, Borla cat back, Martin Saine valve body, Hotchkis swaybars, Blistein shocks, lowered 2" Black Rhino Kenya wheels, 246. 7 RWHP, 319 TQ
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post #6 of 30 Old 07-29-2008, 01:14 AM
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I had to soak mine in penetrating lube everyday for about a week straight until they would even budge. Grab em with vise grips and wiggle till they're out.

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post #7 of 30 Old 07-29-2008, 01:19 AM Thread Starter
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yeah i just said to hell with them, and tore them out, with ease. thanks for the advice guys

3.9L V6, 42RE HD rebuilt automatic, HD torque converter, 4x4, K&N FIPK, Magnaflow 18" SI/DO, pioneer headunit, ipod hook up, sattelite radio
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post #8 of 30 Old 07-29-2008, 03:46 AM
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Quote:
Originally Posted by hskrRT View Post
Yes, it's worth it.
Why? Just wondering. I mean, if they are heat shields, then they are there to keep heat off something that shouldn't be heated, right? Or no and they are there just because? (not meaning to sound like a smartass, but don't feel like rewording)
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post #9 of 30 Old 07-29-2008, 03:55 AM
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the things that are there, get hot anyways, they are there to be a pita (imo), and look like crap too. they are about useless to say the least

1997 dakota, 5.2v8, msd wires, trans cooler, K&N cai, 1.6 rr's, stinger 1700 battery, updated big 3. aeroturbine 3030 muffler, high flow cat. conv
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post #10 of 30 Old 07-29-2008, 05:24 AM
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Upgrade to better spark plug wires and they are not needed. Plus over time, they end up causing more problems than they theoretically help. They trap dirt and water and cause arcing once the wires start to go.

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post #11 of 30 Old 07-29-2008, 05:29 AM
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I ripped them out when I put mopar wires on 4.5 years ago and haven't had them since, no problems. Easier to work on and looks better.


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post #12 of 30 Old 08-18-2008, 02:35 AM
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When you install the boots/sheilds, I always put a bit of sylicone lubricant (dielectric grease) in the boot before sliding it onto the spark plug. Makes removing the boot later alot easier.

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post #13 of 30 Old 02-23-2009, 05:33 AM
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Hey guys,

I'm having a hell of a time getting the right front shield out. At this point it's all mangled and I'm getting pretty desperate since I can't drive the truck. It's a 2000 3.9L.

What's the no-BS-I-need-this-out-NOW trick on this? I don't have a week to apply and re-apply penetrating lube....did some liquid wrench but it hasn't worked......please...HELP!

Thanks in advance.
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post #14 of 30 Old 02-23-2009, 07:04 AM
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get yourself some pb blaster and soak overnight, it loosened up my trailer hitch ball that had been on for 3 years and the nut was rusted on pretty good.

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post #15 of 30 Old 02-23-2009, 02:33 PM
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I'll give a try if I can't get it off this morning.....Thanks.
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