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

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

  1. Oct 5, 2016 at 4:59 PM
    #1801
    Lifeofbrian

    Lifeofbrian Longing for the far East

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    Stuff
    thank you so much for posting this.
     
  2. Oct 7, 2016 at 2:25 PM
    #1802
    thisguy8989

    thisguy8989 New Member

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    Hey guys, "long time listener, first time caller" :anonymous:

    this post was super helpful. changed mine out for the first time on my own. got tired of the dealership prices for $20 of parts and 1 hour of time.

    160k miles and from what i can tell, no dealership/garage ever bothered to change the NGK plugs on the driver side, just the Denso's on the passenger side. yeah it's a pain, but it shouldn't be an issue for what those places charge. For the first time in it's life we're running on 6 fresh, brand consistent plugs.

    anyways, everything went well thanks to this walk-through however i am now noticing a very low, bellowing noise (WHOOM-WHOOM-WHOOM-WHOOM) when it shifts to 5th in between 40-50mph. no issues in any other gears. all plugs gapped between .040 and .042

    any advice is appreciated.
     
  3. Oct 8, 2016 at 7:59 PM
    #1803
    presta24

    presta24 Well-Known Member

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    chris
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    Scratches, dents, lots of squeaks.
    Replaced mine today. 33k on them. Avg gap on the ones I took out was .055

    1008161741.jpg
     

    Attached Files:

    David_A likes this.
  4. Oct 15, 2016 at 3:21 PM
    #1804
    SpeedwayBlue116

    SpeedwayBlue116 Well-Known Member

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    Changed mine out today didn't have a spark plug wrench so I used a magnet and a piece of fuel line

    IMG_1960.jpg
    IMG_1961.jpg
     
    David_A likes this.
  5. Oct 16, 2016 at 6:02 PM
    #1805
    calico

    calico Well-Known Member

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    WTF?!?!?!

    Decided to change out the plugs yesterday (at 55k) and came across something I never would have expected. I did the passenger side first and then the driver's side (a PITA and, in fact, I had to remove a couple of other pieces beyond what the OP had suggested).

    Anyhow, When I got to the last spark plug I noticed I was having difficulty seating the spark plug socket on the spark plug. I spent probably 10 minutes trying to get the socket on and finally accepted that it wasn't going on. I grabbed a flashlight and took a look and saw what I thought at first was plastic or styrofoam. I wondered what in hell it was doing there, and how it got there.

    The more I thought about it the more I realized that styrofoam and plastic just didn't make sense. I then took my phone and was able to get some close up pics and it was then I realized that it was ceramic pieces. I took an air compressor and was able to blow all the pieces out and replace the final plug.

    What in the world would cause something like this to happen? This is the first plug change. Has anyone else ever experienced such a thing and, is there the potential for damage?

    IMG_2368.jpg IMG_2369.jpg IMG_2375.jpg IMG_2377.jpg
     
    Last edited: Oct 16, 2016
  6. Oct 16, 2016 at 8:29 PM
    #1806
    SpeedwayBlue116

    SpeedwayBlue116 Well-Known Member

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    The only thing I could think of is that spark plug got over torqued at the factory
     
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  7. Oct 22, 2016 at 1:35 PM
    #1807
    Chilly

    Chilly Well-Known Member

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    Thanks for the write up! Changing these plugs was a piece of cake compared to my '06 F-150.

    The previous 2 owners of my 09 Tacoma had never changed the plugs so with 176,016 miles I decided to change them. One side was Denso and the other was NGK both with about a .80 gap.

    IMG_4075.jpg
     
    1Shifter likes this.
  8. Oct 25, 2016 at 5:02 PM
    #1808
    hamNswiss on rye

    hamNswiss on rye ¡Yo Quiero Taco World!

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    Just changed mine out after way too long...a little embarrassed to say. anyways, 5 of the 6 look to have normal wear and tear on them (albeit an abundance due to their overuse), but one looks far worse than the others (far left/second photo). On a cross country trip recently, I had a misfire/code on that particular cylinder which i bandaged with a new coil spring to get me home. Wondering, do the condition of these plugs indicate anything additional that I should be worried about/look into? thanks!

    FullSizeRender.jpg IMG_2749.jpg
     
  9. Oct 25, 2016 at 5:17 PM
    #1809
    mrlee

    mrlee I like crunchy Tacos!!

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    NGK on drivers and Denso's on passenger? That's how they come from that factory. Why they come from the factory like that is anyones guess, but a lot of people on here have reported the same results including myself. Wow, 160k on factory plugs!,! No wonder you now have WHOOM, WHOOM. Bet the truck runs much better?
     
  10. Oct 27, 2016 at 2:29 PM
    #1810
    thisguy8989

    thisguy8989 New Member

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    it definitely seems to run better. when the NGKs finally came out they look like somebody had colored them with a black sharpie

    as for the noise - i've seen on some posts with similar issues on a 4runner site and other Tacoma site that seem to suggest it may be the Front Differential or a wheel bearing. I must admit that i do not know when the last time the front diff fluid was changed.

    Just seems peculiar that the noise didn't show up until i changed the spark plugs. there aren't any 'check engine' lights on, and the truck seems to be running just fine, but it's not a sound one would think, "that's what i want to hear coming from the engine compartment of this metal bullet i am driving at 50mph." Am i just paranoid?
     
  11. Oct 27, 2016 at 6:19 PM
    #1811
    mrlee

    mrlee I like crunchy Tacos!!

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    Not at all.. get the differentials changed and transfer case if 4x4. if 4x4, get tthe u joints greased too. I cant imagine the prior owner doing those if original plugs in there at your mileage.

    Good luck man
     
  12. Oct 29, 2016 at 5:50 PM
    #1812
    Tacotopete

    Tacotopete Well-Known Member

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    I change my plugs today..hard work.

    20161029_164709.jpg
     
  13. Oct 29, 2016 at 5:50 PM
    #1813
    Tacotopete

    Tacotopete Well-Known Member

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  14. Oct 31, 2016 at 5:56 PM
    #1814
    hardground

    hardground Well-Known Member

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    Great write up. Having everything ready from your list made the job go quick, under an hour and a half.

    A 1/4 6" and an extra 3/8 6" is all I added to make the job really simple.
     
  15. Nov 5, 2016 at 1:16 PM
    #1815
    Naveronski

    Naveronski Well-Known Member

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    Awesome write up. Thanks!
     
  16. Nov 9, 2016 at 4:15 AM
    #1816
    phreddyfoo

    phreddyfoo Well-Known Member

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    OK I didn't read all 93 pages, how do you keep the spark plug from falling out of the socket? Is that a dumb question?
     
  17. Nov 9, 2016 at 4:25 AM
    #1817
    jsucraig

    jsucraig Well-Known Member

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    You use a spark plug socket. Some have rubber to grab the porcelain insulator and some have a metal clip in the shape of a "V".
     
  18. Nov 9, 2016 at 6:18 PM
    #1818
    phreddyfoo

    phreddyfoo Well-Known Member

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  19. Nov 11, 2016 at 3:34 PM
    #1819
    TacoAC

    TacoAC Well-Known Member

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    Just changed my spark plugs today with the denso tt sparkplugs on all 6. Started the truck and noticed there was a check engine line and it idles differently and inside the cab I feel like the truck is shaking when idling.. Did I do anything wrong?
     
  20. Nov 11, 2016 at 3:47 PM
    #1820
    Markcal

    Markcal Well-Known Member

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    I have a 2006 2.7L with about 38,000 miles, which makes it 10 years old. The owners manual says to change the spark plugs at 100,000 miles or 144 months = 12 years. I called Toyota and they said it's OK to let them go 12 years if I don't reach 100,000 miles. I was going to change them next week, with these OEM from Ebay for $24 = $6 each here: [​IMG]http://www.ebay.com/itm/272250649946?_trksid=p2057872.m2749.l2649&ssPageName=STRK:MEBIDX:IT
     
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