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

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

  1. Feb 3, 2014 at 7:24 PM
    #1261
    Gene563

    Gene563 Well-Known Member

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    If you haven't already, you might try retracing your steps; you may have left, or pulled something loose during re-assembly. Is it running smoothe ... maybe a coil not seated properly. Barring that, the free Autozone check sounds right.
     
  2. Feb 5, 2014 at 7:09 PM
    #1262
    Pistol Pete

    Pistol Pete Go Pokes!

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    Great write up! Changed mine today at 54k and went flawlessly. The previous owner must have never change them since they were still the two types. Sounds noticeably better as well as smoother acceleration and appeared to be an improvement improvement in mpgs via my ultragauge on my way home.

    Only thing I did differently was unhooked everything on both sides and did the drivers side first to get it out of the way.

    Thanks for such detailed instructions Chris, they were very helpful.
     
  3. Feb 10, 2014 at 3:59 PM
    #1263
    ToyTaco09

    ToyTaco09 Well-Known Member

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    Changed my plugs yesterday (first time at 60k miles) and notice such an improvement in how the truck drives. My scanguage is already showing 1.5-2 mpg improvement. Thanks for an awesome "how to" thread. I wouldn't have attempted this if it wasn't for this write up. The dealer wanted $300 for parts and labor. I did it under $50. Thanks again!

    One piece of advice for any other newbie doing this: When you tape the socket to the extension bar, make sure you tape it really good. I got it stuck down in the first plug. Took a while to get it out. I made sure it wouldn't happen again.
     
    Last edited: Feb 10, 2014
  4. Feb 15, 2014 at 9:56 AM
    #1264
    knayrb

    knayrb Well-Known Member

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    Just had to say thanks for the tutorial. Got it done without a hitch at 66K miles.

    First change dealer at ~30K $$$.
    All old plugs were at .48-.50
    All new plugs are at .40 at 40 degrees outside
    Took half hour on passenger side
    Took one hour on drivers side

    Got to use my new inch-pound torque wrench as a bonus.

    Thanks Chris and others.
     
  5. Feb 21, 2014 at 8:37 AM
    #1265
    VinTaco

    VinTaco Well-Known Member

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    Why is it that many vehicles have plugs that last around 60,000 miles plus and on a Tacoma you are having to change them a lot earlier.??
     
  6. Feb 22, 2014 at 6:45 AM
    #1266
    JimROCDS

    JimROCDS Active Member

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    From what my mechanic told me, they're all going over to 30,000 mile change of spark plugs. With the 100,000 mile plug change, people thought there was no maintenance necessary beforehand.

    But mostly, it avoids the pit falls of trying to remove plugs that are seized because they are so old.

    Jim
     
  7. Feb 22, 2014 at 6:54 AM
    #1267
    chris4x4

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

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    Manufactures try to have a "Low maintenance" schedule, and "Low cost of ownership" to appeal to the buying public. One way of doing this, is to extended plug change intervals.
     
  8. Feb 22, 2014 at 9:40 AM
    #1268
    dexterdog

    dexterdog My pee parts itch

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    +2. I am also dreading the day that I have to change out the iridium plugs on my wife's Highlander. The transverse mounted 3.5 requires the front cowl to be removed as well as a host of other parts to get to the back three cylinders. Allot of beer will be consumed that weekend.
     
  9. Feb 23, 2014 at 1:21 PM
    #1269
    carcharias

    carcharias Giggiddy what what

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    DONE!! First time, too! Woohoo! Very easy, aside from a stuck bolt on the bracket and that forward driver's side plug. Had to unbolt an extra wire harness to get in there more easily. The used spark plugs finished gapped between .050 and .055. Gapped new ones at .041. Thanks for the tutorial!
     
  10. Feb 28, 2014 at 8:44 AM
    #1270
    VinTaco

    VinTaco Well-Known Member

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    Should plugs be replaced with original plugs or is there a better plug that would actually make a difference..??
     
  11. Feb 28, 2014 at 8:51 AM
    #1271
    carcharias

    carcharias Giggiddy what what

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    I bought them from a Toyota dealer. Think all 6 were about $22. Did that because I remember reading a thread here that ultimately said one spark plug isn't any better than another spark plug.
     
  12. Mar 1, 2014 at 6:46 AM
    #1272
    VinTaco

    VinTaco Well-Known Member

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    Well that makes it simple.. thanks.. Did you use the same plug on both sides,..?? Is there a reason why some have 1 type of plug on 1 side and another on the other side.??
     
    Last edited: Mar 1, 2014
  13. Mar 1, 2014 at 7:44 AM
    #1273
    chris4x4

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

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    Use the same plug. Only speculation as to why Toyota uses 2 different plugs. The Denso's hold gap longer than the NGK in these trucks, so stick with them.
     
  14. Mar 1, 2014 at 7:47 AM
    #1274
    carcharias

    carcharias Giggiddy what what

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    Naw, I just threw them all in. According to the OP there's no rhyme or reason behind the two different OEM plugs. My truck hasn't noticed.

    EDIT: Chris beat me to it! heheh
     
  15. Mar 2, 2014 at 5:06 AM
    #1275
    VinTaco

    VinTaco Well-Known Member

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    Thanks for the info.. How long would you keep the Denso`s before changing them.. ( Mileage.)
     
    Last edited: Mar 2, 2014
  16. Mar 2, 2014 at 8:31 AM
    #1276
    VinTaco

    VinTaco Well-Known Member

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    What kind of mileage will you get out of the Denso`s before you change them..??
     
  17. Mar 2, 2014 at 8:32 AM
    #1277
    chris4x4

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

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    I change at 30k.
     
  18. Mar 3, 2014 at 7:42 AM
    #1278
    VinTaco

    VinTaco Well-Known Member

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    Thanks Chris
     
  19. Mar 3, 2014 at 8:01 AM
    #1279
    Sandman614

    Sandman614 LRGRNR

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    If I used ngk change them sooner or pull and regap them?
     
  20. Mar 9, 2014 at 2:23 PM
    #1280
    TX Graywolf

    TX Graywolf Member

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    Thanks Chris4x4 for the great write up and to all the other comments. The tips and tricks made this much easier. Bought my truck new and thought it had iridium plugs like my former truck. After reading you article, with 107,000, it was time to change. The Denso were up to .057-58 and the NKGs were up to .063. I replaced with the Denso copper (from NAPA-in stock) after reading all the responses. It still ran fine but I can feel the additional pep now. Cleaned the MAS while in there.
    This my first post and I want to thank all who contribute. More work ahead!
     
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