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> RB25DET: Changing the Spark Plugs
Shane
post 5 Jun 2004, 10:08 PM
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Step 1. Undo the clamps on either side of this U-Shaped hose, then remove the hose.



Step 2. Undo these 2 screws, it will allow you lift up the intake pipe giving you more room.



Step 3. Loosen the 2 adjustable clamps on the hose connecting to the plenum, also the other small one seen in the picture.



Step 4. Disconnect the loom plug (may vary in appearance). Then just move 2 disconnected looms off to the side. You don't have to remove the 2 circled screws.



Step 5. There are 8 allen screws to undo all the way along the plastic cover as circled below. Once you have removed them all you can then slide out the plastic cover.



Step 6. Once you have removed the plastic cover you'll see the lead pictured below, with 6 looms connecting to the top of each coilpack, undo the looms that connect to the top of each coilpack. Then remove the small screws that hold the length of cable in place and remove it.

(Coil Pack Lead)




Step 7. Now, at this stage you will see the top of each coil pack, I pulled out the whole cradle and coil pack as described next but you dont have to that. You can just remove the screws that hold each coil pack in. This how to pull it all out.
Unscrew the gold/bronze bolts that hold the coil pack cradles in place. There is about 6 or 7 of them. Once they are removed you can pullout the coilpacks and cradle to see the spark plugs underneath.

(Top of Coil Packs)


(Coil Packs and Cradle)


Step 8. Now that you can see inside, it is recommended that you spray some compressed air inside to clear/dislodge any crap that may fall into the combustion camber once you have taken out the spark plugs. Now remove the spark plugs and put in the new ones!


Step 9. Put it all back together.

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Googlebot
post 5 Jun 2004, 10:08 PM
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Jimbo2000
post 6 Jun 2004, 03:48 PM
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very helpful

good job shane

this has now been linked in the list of members tutorials

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bendertiger
post 30 Jun 2004, 12:55 PM
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Now where the **** do I get a tool to change my plugs, my ****ing changer won't fit.....sorry, you just don't want to know the problems i had when I tried changing mine....
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Abo Bob
post 27 Sep 2004, 02:42 PM
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Lovely. Do Skylines use the big plugs or the little ones? I seem to remember only two sizes. (BTW; I'm talking about the size of the spark plug removing tool required here.)


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sparktat
post 27 Sep 2004, 09:15 PM
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i've heard your not supposed to do them up real tight, just past finger tight. Is this right? I'd hate them to come out mid flight. "ha"
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Abo Bob
post 28 Sep 2004, 09:01 AM
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That's right.


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Danzil
post 25 Nov 2004, 02:06 AM
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Thanks dude.

Much appreciated.


-Dan


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performance-wise
post 25 Nov 2004, 02:34 AM
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had the plugs in mine done a few weeks ago. Used NGK iridiums to suit rb25det.
Took in for a tune the other day and had problems. Apparently I should have used NGK iridiums to suit rb20det as they run cooler. She runs nicely now and the plugs are cheaper!


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lingeringsoul
post 3 Sep 2005, 12:08 AM
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oh wow exactly what im looking for but the pictures are not working............can some one fix it up plz???? thank you


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1.16 @ Wakefield - TIME FOR SEMI SLICKS!!!
~58 seconds @ Oran Park South
~1:30-33 @ Oran Park GP

Things I need for next track day:
Front and rear stiffer sway bars
home made front diffuser and back diffuser
Oil cooler
front brake cooling ducts
RBF600 brake fluids
Proper wheel alignment with track friendly adjustment
Radiator flushed
Gauges
GTR wing for added downforce
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thommo
post 3 Sep 2005, 11:24 AM
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anyone know if you just pull the coilpacks straight out once the two screws are removed?
seems like the pack is still attached to something underneath and i'm not game enough to put too much force into pulling it out without knowing.
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marcus32
post 4 Sep 2005, 01:42 PM
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yeah pix no work for me too
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krzysiu
post 4 Sep 2005, 05:11 PM
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Whats A Turbo?
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Thats because the thread was made over a year ago smile.gif


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lingeringsoul
post 4 Sep 2005, 08:20 PM
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lol.........never mind i found another thread WITH pics..............can't remember which one tho..........but I got it all saved on HD now its time to do some spark p cleaning


--------------------
1.19.447 @ Wakefield
1.16 @ Wakefield - TIME FOR SEMI SLICKS!!!
~58 seconds @ Oran Park South
~1:30-33 @ Oran Park GP

Things I need for next track day:
Front and rear stiffer sway bars
home made front diffuser and back diffuser
Oil cooler
front brake cooling ducts
RBF600 brake fluids
Proper wheel alignment with track friendly adjustment
Radiator flushed
Gauges
GTR wing for added downforce
Profile CardPM
Go to the top of the page
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justin911
post 4 Sep 2005, 08:29 PM
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^^^ need roof wheels :(
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post up the pics/thread you got would ya please smile.gif
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