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How To: Spark Plug Change (1 GR-FE)

Discussion in 'Technical Chat' started by chris4x4, Mar 16, 2009.

  1. Jun 28, 2013 at 3:39 PM
    #1141
    Agent Smith

    Agent Smith Always outnumbered, never outgunned

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    You know, they fuck you at the drive thru!
     
  2. Jun 28, 2013 at 4:02 PM
    #1142
    CRIMAR30

    CRIMAR30 Well-Known Member

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  3. Jul 14, 2013 at 9:52 AM
    #1143
    GeauxTigers

    GeauxTigers //TRD

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    This write up worked for me. I changed my plugs out yesterday, using this as a guide. I have 64K on the truck and bought it used 2 years and 24k miles ago. Previous owner had not replaced the plugs. Anywho. Thanks Chris.
     
  4. Jul 14, 2013 at 1:02 PM
    #1144
    prclements

    prclements Active Member

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    Thanks chris4x4 for the post. Just used the info to change my plugs
     
  5. Jul 14, 2013 at 2:32 PM
    #1145
    BenMara

    BenMara Asian RedNeck

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    Denso 3381 K20HR-U11 same PN# for SCed V6?

    thinking about goin 2 steps cooler Denso 5346 IKH24
     
    Last edited: Jul 14, 2013
  6. Jul 14, 2013 at 9:37 PM
    #1146
    hobiesan

    hobiesan Member

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    Changed my plugs out tonight for the first time. Should have done it at 30K, but I did it at 45K. The pic below shows what the old plugs looked like. They all had a brown/burnt looking ring around the top of the insulator just above the nut. Has anyone else seen this? Is it normal or does it indicate any problems?
    [​IMG]
     
  7. Jul 15, 2013 at 6:34 AM
    #1147
    Agent Smith

    Agent Smith Always outnumbered, never outgunned

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    Normal, mine were like that and other pics I've seen on this thread are the same.
     
  8. Jul 15, 2013 at 9:42 AM
    #1148
    hobiesan

    hobiesan Member

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    Thanks AgentSmith. Good to know it's normal.
     
  9. Jul 15, 2013 at 2:25 PM
    #1149
    Jonah

    Jonah Well-Known Member

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    Awesome write up Chris. I just changed my plugs for the first time and it took exactly 2 hours. The step-by-step instructions and pictures make it a piece of cake.

    A couple of comments from my experience:

    1. The 5/8" deep socket I used for the plugs didn't have a rubber bushing insert to hold the plugs for extraction from the well. I put a small rare earth neodymium magnet inside the socket and the plugs came right out.

    2. Like a lot of people, I've always used a piece of rubber tubing to start the spark plugs into the hole to prevent cross-threading. This is always frustrating because the plug tends to flop around and it takes some fiddling to get it started. This time, I put a piece of stiff wire (#12 electrical wire) inside the tubing to keep it straight. It worked like a charm and the insertion process was quick and easy.

    3. Keep on eye on the spring clamp from the vent hose. I left it on the hose and it was gone when I went to reinstall it. After a couple of anxious minutes, I found it sitting on the valve cover. I suggest taking it off the hose and setting it aside
     
  10. Jul 20, 2013 at 12:35 PM
    #1150
    BassMaster06

    BassMaster06 VA ○ ES ○ SC

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    Thanks for the write-up Chris. I changed my plugs out this morning. Afterwards, I took your advice and drove to the beer store :D

    [​IMG]
     
  11. Jul 21, 2013 at 7:21 PM
    #1151
    Shanran71

    Shanran71 Well-Known Member

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    40,0000 miles after reading this (and using the info) for my last plug change...it was useful again on todays plug change. Thanks
     
  12. Jul 22, 2013 at 11:24 AM
    #1152
    fadippides

    fadippides Well-Known Member

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    Thanks for the post, changed my plugs on my 2012 with 52K. Plugs looked decent, NGKs were at ~.053 gap densos were more like .043. Only difference with the 2012 is the air intake is a pain to get off because the 2nd bolt is hard to get to, I just moved it while working and left it on.

    [​IMG]


    [​IMG]
     
    Last edited: Jul 22, 2013
  13. Jul 23, 2013 at 6:49 PM
    #1153
    ST3VE

    ST3VE Well-Known Member

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    Check my build page, ya filthy animal!!
    Followed these steps and it took about a hour and a half. Thanks Chris!
     
  14. Jul 27, 2013 at 9:52 PM
    #1154
    cleveland48

    cleveland48 Well-Known Member

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    I have finally decided to do this myself tm morning instead of paying the dealer. I stopped by today and got 6 denso plugs. Does the old rule of always disconnect the battery when doing something like this still apply? Or is it not necessary? I havnt changed plugs since I had a 94 5.0 I always disconnected it then. But was never sure if u actually had to do that.
     
  15. Jul 27, 2013 at 10:43 PM
    #1155
    chris4x4

    chris4x4 [OP] With sufficient thrust, pigs fly just fine. Staff Member

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    You don't have to disconnect the battery.
     
  16. Jul 28, 2013 at 4:14 PM
    #1156
    11TRD

    11TRD Soon to be west coast

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    Thanks Chris! Easy day.... But confused as to why one side is NGK and the other Denso. Anyone know why?

    33,000 Miles Original plugs. Didnt think it make much difference but I can already tell a huge difference in idle.

    [​IMG]
    [​IMG]
    [​IMG]
     
  17. Jul 29, 2013 at 4:48 AM
    #1157
    11TRD

    11TRD Soon to be west coast

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    So changed plugs yesterday and ran great. This morning started and running like shit. Like its misfiring but only when in drive. Not noticeable in neutral or park. Any ideas
     
  18. Jul 29, 2013 at 10:33 AM
    #1158
    11TRD

    11TRD Soon to be west coast

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    Did a visual inspection... everythings connected. All vaccum lines good to go. Said fuck it and pulled the plugs to check gaps. All at .041 as I double checked them before putting them in.... except this shit! WTF
    [​IMG]
    [​IMG]

    Hard to see but the solder/weld on the plug electrode is cracked. Replaced it with a new one and good to go!
     
  19. Aug 4, 2013 at 8:24 AM
    #1159
    cleveland48

    cleveland48 Well-Known Member

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    5100's set at 1.75, 1.5 in. AAL, 265/75/16 Cooper ST tires.
    Finally changed my plugs out today and it was super easy following this write up! Some on the driver side was a little bit of a pain though. The denso's looked much better than the NKG's. the NKG'S were also a lot harder to break loose.
     
  20. Aug 5, 2013 at 6:16 PM
    #1160
    GuyWithCamera

    GuyWithCamera Well-Known Member

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    Got around to it a few weeks ago (July 23rd)... Bought NGK Iriduim IX or something like that. I honestly can not tell a difference. My plugs were the originals with 89K miles on them (NGK and Denso's).

    [​IMG]

    Gas mileage has been relatively the same (the very high and very low MPG is when I stopped monitoring gas mileage and restarted.)
    [​IMG]
     
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