 RB25DET: Changing the Spark Plugs |
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Tutorials / DIY / FAQ Rules
Welcome to the Tutorials / DIY / FAQ Forum! This section of SAU is where we move the helpful threads that we find in other forums. This is *NOT* the place to ask questions or to try and get help. Please use the other appropriate forums for that.
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 5 Jun 2004, 10:08 PM
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#1
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 Rank: RB25DET  Posts: 1,201 Joined: 29th May, 2003 From: Queensland Car(s): S15 Trader Rating : 8  |
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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5 Jun 2004, 10:08 PM
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6 Jun 2004, 03:48 PM
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#2
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 jimbo rocks!! Posts: 7,486 Joined: 19th November, 2002 Trader Rating : 4 |
very helpful
good job shane this has now been linked in the list of members tutorials  |
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30 Jun 2004, 12:55 PM
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#3
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Rank: RB20DET Posts: 75 Joined: 14th August, 2003 Trader Rating : 0 |
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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27 Sep 2004, 02:42 PM
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#4
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 SAU NSW President    Posts: 12,661 Joined: 29th November, 2003 From: Sydney Car(s): R34 GTT Real Name: Bobbeh Trader Rating : 28 |
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.)
-------------------- 12.419 @ 110.53 - WSID
1:08.5 @ Wakefield Park 1:24.379 @ Oran Park Grand Prix 1:53.8 @ Eastern Creek Putty Road Charity Cruise - October 25 Official SAU/UAS Dyno Day - November 15 Official SAU NSW Club Merchandise SAU Membership Form - Memberships FAQ Thread - CAMS Licence - L2S or L2NS - application form Compare your dyno results here. |
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27 Sep 2004, 09:15 PM
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#5
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 '96' RB25DET Posts: 12 Joined: 4th June, 2004 From: Baulkham Hills Car(s): '96' R33 gtst Real Name: mick Trader Rating : 0 |
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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28 Sep 2004, 09:01 AM
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#6
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SAU NSW President Posts: 12,661 Joined: 29th November, 2003 From: Sydney Car(s): R34 GTT Real Name: Bobbeh Trader Rating : 28 |
That's right.
-------------------- 12.419 @ 110.53 - WSID
1:08.5 @ Wakefield Park 1:24.379 @ Oran Park Grand Prix 1:53.8 @ Eastern Creek Putty Road Charity Cruise - October 25 Official SAU/UAS Dyno Day - November 15 Official SAU NSW Club Merchandise SAU Membership Form - Memberships FAQ Thread - CAMS Licence - L2S or L2NS - application form Compare your dyno results here. |
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25 Nov 2004, 02:06 AM
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#7
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 RoyalDuke Posts: 79 Joined: 8th March, 2004 Trader Rating : 0 |
Thanks dude.
Much appreciated. -Dan -------------------- Assman
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25 Nov 2004, 02:34 AM
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#8
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 OO\___/OO Posts: 2,283 Joined: 25th September, 2004 From: NSW Car(s): BCNR33 - WNC34 Trader Rating : 274 |
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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3 Sep 2005, 12:08 AM
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#9
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 Hello, Goodbye Posts: 4,880 Joined: 15th June, 2005 From: NSW Car(s): R33 GTS25t Real Name: James Trader Rating : 10 |
oh wow exactly what im looking for but the pictures are not working............can some one fix it up plz???? thank you
-------------------- 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 |
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3 Sep 2005, 11:24 AM
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#10
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habitual linestepper Posts: 804 Joined: 2nd August, 2004 From: Melbourne Real Name: James Trader Rating : 7 |
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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4 Sep 2005, 01:42 PM
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#11
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 Rank: RB20DET Posts: 63 Joined: 26th March, 2005 Trader Rating : 3 |
yeah pix no work for me too
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4 Sep 2005, 05:11 PM
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#12
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 Whats A Turbo?   Posts: 6,931 Joined: 3rd December, 2003 From: Melbourne Car(s): R33 Gts-t Series 2 Real Name: Kris Trader Rating : 3 Garage: Skyline R33 |
Thats because the thread was made over a year ago
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4 Sep 2005, 08:20 PM
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#13
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Hello, Goodbye Posts: 4,880 Joined: 15th June, 2005 From: NSW Car(s): R33 GTS25t Real Name: James Trader Rating : 10 |
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 |
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4 Sep 2005, 08:29 PM
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#14
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 ^^^ need roof wheels :( Posts: 7,264 Joined: 12th April, 2005 From: Melbourne Car(s): R33 GTR Trader Rating : 26 |
post up the pics/thread you got would ya please
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