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How To - Change Spark Plug 1st Gen 95.5-04 2RZ-FE(2.4L)/3RZ-FE(2.7L)

Discussion in 'Technical Chat' started by The Parts Whore, Nov 24, 2009.

  1. Nov 24, 2009 at 2:48 PM
    #1
    The Parts Whore

    The Parts Whore [OP] Slinging parts since '03

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    Decided to do another how to write up since I started my 5 days weekend a bit early this year. I'd recommend changing out your plugs every 20k miles or 2 years (whichever comes first.) I went with the Denso instead of NGK this time. They should be $2.22 at your favorite local Toyota dealerships.

    Basic tools you'll need:

    (1) 3/8" ratchet
    (1) 3/8" 5/8 spark plug socket
    (1) 3/8" 10mm socket
    (1) 3/8" 6" extension
    (1) 3/8" 3" extension
    (1) plier
    (1) anti-seize lubricant
    (1) flat head screw driver = *optional
    (1) spark plug gapper = *not picture
    (1) 3/8" torque wrench = *not picture
    (6) beers - optional = *not picture

    [​IMG]



    (4) Denso (K16R-U11) - Toyota Part # 90919-01164

    Gap (0.040-0.041)

    Spark plugs torque 15 ft.-lbs

    [​IMG]



    Some FYI before you start: work on one cylinder at a time to avoid mixing shit up.

    [​IMG]



    1. If you have the stock intake, you might have to remove the intake tube to have more room. Those that have the K&N FIPK intake, you could just loosen the 4 clamps (2 on the throttle body and 2 on the sensor adapter) no need to remove the intake tube.

    [​IMG]

    [​IMG]



    2. Remove the 10mm bolt for the throttle cable bracket.

    [​IMG]



    3. Use plier to remove the clip from the coil pack.

    [​IMG]



    4. Remove 10mm bolt holding down the coil pack.

    [​IMG]

    [​IMG]



    5. Use 3/8" 5/8 spark plug socket and 6" extension to remove your old spark plug.

    [​IMG]



    Some comparison...check if your old plug is normal (dry without any oil, and not too dark.)

    Old = NGK, new = Denso.

    [​IMG]



    6. The new plugs are pre-gapped (according to the parts dept person) but I check to again to be safe. They're suppose to be 0.043 max. I have them set at 0.040-0.041. Sorry, I couldn't get a clear pic.

    [​IMG]



    7. Put some anti-seize on and reinstall. Torque it to 15 ft.-lbs.

    [​IMG]



    8. Reconnect the clip to the coil pack and make sure you hear a "click" sound.

    [​IMG]



    9. Reinstall the 10mm bolt on the coil pack.

    [​IMG]



    10. Next cylinder #3.

    Same procedures (remove clip, remove 10mm bolt, remove old plug, check the gap on the new plug, put some anti-seize, reinstall and torque to 15 ft.-lbs)

    *Note: with the K&N FIPK, they supplied an allen bolt to have it sit flush and not rub on the intake tube.

    [​IMG]

    [​IMG]

    [​IMG]



    11. Next cylinder #2.

    Same procedures (remove clip, remove 10mm bolt, remove old plug, check the gap on the new plug, put some anti-seize, reinstall and torque to 15 ft.-lbs)

    *Note: move the intake tube out of the way to reach the #2 coil pack (this is why you need to loosen the 4 clamps on the intake tube in the beginning.)

    [​IMG]

    [​IMG]



    12. Last cylinder #1.

    Same procedures (remove clip, remove 10mm bolt, remove old plug, check the gap on the new plug, put some anti-seize, reinstall and torque to 15 ft.-lbs)

    [​IMG]

    [​IMG]



    13. Recheck everything to see that they're tighten down properly and you're done. Easy 30 mins and $9 maintenance job. Happy early turkey day fellow TW enthusiasts! :bananadance:
     
  2. Dec 27, 2010 at 9:41 AM
    #2
    george3

    george3 Well-Known Member

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    new jersey
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    Seat belt beeper, Cabelas (Weathertech) floor liner gray, Covercraft Seat Savers in Taupe, Protecta Heavy Duty Rubber Truck Bed Mat, Pop n Lock PL5200, Pace Edwards Full Metal JackRabbit, Wolverine oil pan heater, Scangauge2, afe pro dry s filter, Remote Underbody 4 Piece LED Light Kit (White) used as Bed light, DIY Washable Cabin Air Filter, PA15-TOY, 4x4 Illuminated Switch, full synthetic, Redline Tuning Hood Support, Smittybilt Nerf Steps black powder-coated
    There are no pics, only a box ad to upgrade to photobucket pro:(, also I thought 2.7 change was at 100,000 tho I wouldn't take it that long - 20,000 seems a little short.
     
  3. Sep 28, 2011 at 7:36 AM
    #3
    hector venezuela

    hector venezuela New Member

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    hello friend thanks a very good post I'm from Venezuela and here he brings that engine toyota meru really wanted to know which exact model is that K & N air intake I'd appreciate the info please!!! greetings from Venezuela
     
  4. Sep 28, 2011 at 10:55 AM
    #4
    The Parts Whore

    The Parts Whore [OP] Slinging parts since '03

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    K&N 57-9016-1
     
  5. Sep 30, 2011 at 3:24 PM
    #5
    hector venezuela

    hector venezuela New Member

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  6. Oct 10, 2011 at 6:31 AM
    #6
    Joe02TRD

    Joe02TRD Well-Known Member

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    Awesome write up! Exactly what I was looking for.
     
  7. Oct 19, 2011 at 7:37 AM
    #7
    defleppardsg

    defleppardsg Well-Known Member

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    OME 880's, Wheeler's Offroad 5-Leaf pack. Bilstein 5100's, 1" Daystar shackles, Deck Plate Mod.
    Do you ever have to replace the coil packs? Or just the plugs every so often?
     
  8. Jan 28, 2012 at 12:58 PM
    #8
    scotrinaf

    scotrinaf Well-Known Member

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    Leer 100XQ, Yakima Roof Racks
    According to what I was told today, only replace them if your truck is misfiring, typically they either work or they don't, no in between. They are $80/each at local stores, not sure about the dealership...
     
  9. Feb 7, 2015 at 1:58 PM
    #9
    hbuscg33

    hbuscg33 Member

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