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Old 02-26-2008, 05:27 PM   #1
NoNo
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DIY: Spark plug replacement

I just hit 40,000 on my 06 Scion xB and it was time to do some preventive mainatanence. changed the oil/filter,tires,lube,rotate tires,etc...

THIS IS SUCH AN EASY DIY~it should take you less than 30 mins to get done.

TOOLS NEEDED ARE:

10mm socket/ratchet wrench

5/8 spark plug socket

10" 1/2 drive extension


1/2" ratchet

spark plug gap adjuster

4 NGk platinum plugs

ok, i chose the NGK Platinum(2.49)@ autozone because my car is tock and i didnt want to buy the irridium and waste $10 for no extra gain besides longer plug life. I plan on doing this every year,so I went with platinum(upgrade over stock copper plugs)

Step I
disconnected the neg bat cable(10mm) and removed the 10mm(4) screw caps off the plastic engine cover

Step II
remove the CAI 10mm hold down bolts...pull the first tube extension out and use the extension and ratchet to remove the plug...you'll be surprised how wore out the plug electrode tip is! if the plugs come gapped from the factory at 0.31 then its really important to replace them as all 4 plugs i pulled were opened to 0.52

Step III
double check the NGK platinums and the gaps are set @ 0.38,so i left them at that gap to see if theres any difference...

Step IV
reverse the previous 3 steps and your done...have pics,but need to resize them

updated pics!










Last edited by NoNo; 02-26-2008 at 05:32 PM.. Reason: Automerged Doublepost
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Old 02-26-2008, 05:32 PM   #2
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Re: ~Spark plug replacement~

just did this today actually!! I got the Bosch Platinum 2..they seem to work great!! Great write up to btw! It all makes sense and easy to understand!
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Old 02-26-2008, 05:33 PM   #3
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Re: ~Spark plug replacement~

Thank you! added some pics...you're in EMS too! I'm a Medic out here in So Cal
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Old 02-26-2008, 05:33 PM   #4
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Re: ~Spark plug replacement~

nice diy... imma need to do this asap... my 05 box is already clocking 51,000+ miles.. and ever since i got it, ive never changed em but it seems pretty easy..
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Old 02-26-2008, 05:38 PM   #5
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Re: ~Spark plug replacement~

Thanks for the positive feedback everyone! i've found LOTS of great info here and wanted to give back to the site.
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Old 02-26-2008, 05:38 PM   #6
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Re: ~Spark plug replacement~

Quote:
Originally Posted by NoNo View Post
Thank you! added some pics...you're in EMS too! I'm a Medic out here in So Cal
no problem.

I studying to take my EMT national test next week. I do have a job waiting out here in orlando and i'm super excited to start! How long have you been a paramedic? I thought about going to school for that, but I'm not sure if I can handle that much responsibility haha
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Old 02-27-2008, 02:07 AM   #7
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Re: ~Spark plug replacement~

what difference did u feel after replacing the spark plugs?? aka starting the car... sh*t like that..
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Old 02-27-2008, 02:20 AM   #8
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Re: ~Spark plug replacement~

sweet... i got these plugs too! i havent gotten around to puttin em in yet! hahaha good write up dude!
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Old 02-27-2008, 02:24 AM   #9
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Re: ~Spark plug replacement~

i did NGK plugs myself. it makes the engine sound pretty good. totally felt the difference. awesome DIY mang. good job.
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Old 02-27-2008, 09:10 PM   #10
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Re: DIY: Spark plug replacement

will it be a good idea to change out the spark plug cables to or just wait on it???
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Old 02-27-2008, 09:25 PM   #11
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Re: DIY: Spark plug replacement

today i replaced my spark plugs after 52,000 miles with the same ngk platinum spark plugs used in the above pics.. and damn!... she feels young again..
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Old 02-27-2008, 09:50 PM   #12
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Re: DIY: Spark plug replacement

I do notice a little more spunk in her now. Its nice haha
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