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Old 05-04-2008, 12:59 AM   #1
hersheywrx
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Member#: 150196
Join Date: May 2007
Chapter/Region: SCIC
Location: moreno valley, and colton
Vehicle:
2006 wrx
silver 48w

Default spark plug replacement

are the spark plugs a hassel to do on an 06 wrx?
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Old 05-04-2008, 08:50 AM   #2
mikeythejew
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Member#: 141672
Join Date: Feb 2007
Vehicle:
07' wrx
Mothballed until winter

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Click on the bottom sticky in this forum and then click spark plug facts.

I just looked and there are no real details how to do the job.

Last edited by mikeythejew; 05-04-2008 at 08:58 AM.
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Old 05-04-2008, 01:25 PM   #3
DrD
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Member#: 22412
Join Date: Aug 2002
Chapter/Region: SWIC
Location: Albuquerque, NM
Vehicle:
2012 Legacy 2.5GT
Ice Silver Metallic

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doing the plugs on a Subaru engine isn't that big a deal - remove the coil packs, then remove and replace the plugs like you would on any other engine - the main difference is that they are on the side of the engine, rather than the top. If anything is in your way, just remove it (not sure about an 06, but on my 02, it helped to remove the battery and windshield washer bottle)
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Old 05-05-2008, 02:34 PM   #4
Homerisking
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Join Date: Jan 2005
Chapter/Region: NWIC
Location: SCIC dropout
Vehicle:
2005 WRX
tHe Silver one

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Old 05-05-2008, 10:49 PM   #5
dru_hill
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Member#: 67661
Join Date: Aug 2004
Chapter/Region: MWSOC
Location: Chicago, IL
Vehicle:
2004 WRX sedan
Blue

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Its not that bad, took me like 1.5 hrs the first time, then maybe 50 min the second time. 1 of them had a cracked insulator, so its totally worth it
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Old 05-05-2008, 11:26 PM   #6
wtam1100
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Member#: 27833
Join Date: Oct 2002
Location: columbus, ohio
Vehicle:
2002 wrx
black

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Took me about a 1.5 hrs also just did mine this wkend. On driverside i just removed the windshield washer bottle n that was it. If u have a socket driver that has a swizel head that helps out a lot. Too bad I didnt.
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Old 05-07-2008, 01:08 AM   #7
hersheywrx
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Member#: 150196
Join Date: May 2007
Chapter/Region: SCIC
Location: moreno valley, and colton
Vehicle:
2006 wrx
silver 48w

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thanks for the info you guys rock
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Old 05-07-2008, 10:45 AM   #8
Mike@txracer.com
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Join Date: Mar 2007
Chapter/Region: TXIC
Location: East Texas
Vehicle:
2000 Integra Type-R
Phoenix Yellow

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What plugs are you all recommending (if anything other than factory)? Car is my wife's. 100% stock.
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Old 05-07-2008, 12:13 PM   #9
sluflyer06
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Join Date: Apr 2006
Chapter/Region: MWSOC
Location: St. Louis, MO
Vehicle:
2014 BRZ Ltd - DGM
E30 318is

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You'll need to remove the airbox and the air pump, just a heads up.
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Old 05-07-2008, 12:30 PM   #10
Davidwrx
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Member#: 141028
Join Date: Feb 2007
Location: Atlanta, GA
Vehicle:
2002 WRX Wagon
WRB

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Quote:
Originally Posted by sluflyer06 View Post
You'll need to remove the airbox and the air pump, just a heads up.
What is an air pump?
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Old 05-07-2008, 12:34 PM   #11
sluflyer06
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Join Date: Apr 2006
Chapter/Region: MWSOC
Location: St. Louis, MO
Vehicle:
2014 BRZ Ltd - DGM
E30 318is

Default

Quote:
Originally Posted by Davidwrx View Post
What is an air pump?
Its only on 06+ wrx and 07+ sti.

It injects fresh air into the heads during cold start for emmission purposes.
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Old 05-09-2008, 04:02 PM   #12
FastHackem
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Member#: 137009
Join Date: Jan 2007
Location: Richmond,TX
Vehicle:
2005 Impreza WRX
WR Blue

Default

Quote:
Originally Posted by Mike@txracer.com View Post
What plugs are you all recommending (if anything other than factory)? Car is my wife's. 100% stock.

I would just stick with the factory plugs. They work great for a stock car plus they are platinum so no real need to upgrade.
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Old 05-18-2008, 07:04 PM   #13
yuknow
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Member#: 123822
Join Date: Aug 2006
Chapter/Region: MAIC
Location: MD
Vehicle:
2006 WRX TR
Black

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I changed my spark plugs on my '06 WRX TR this past weekend. It wasn't that bad, other than the fact I couldn't get to the one (last one) by the air pump on the driver's side (3 newly installed, 1 old one left). I noticed after removing them, they had normal wear (not sure if there's any repercussions when driving with 3 new plugs and 1 old one). I couldn't reach my man hands far enough to pull the last socket out (still managed to fit a small ratchet to loosen the bolt). I'm definitely going to try and figure out how to remove the air pump to get to the last one sometime this week.

I followed the directions on scoobymods (thanks Peaty) as well as getting additional information with the "difference" between the 02-05 models compared to the 06-07's, which isn't much other than the air pump and removals that aren't necessary. Here's what I did:

Passenger side:
1. Disconnected negative battery terminal
2. Removed front air duct (flat funnel-shaped held on by 2 bolts; connected to the snorkus)
3. Unplugged MAF sensor (carefully) then unclip hoses on top of the air box and MAF sensor wire from the side clip.
4. Removed the airbox (held on by two bolts) and air intake duct.
5. Removed the plugs held on by one bolt each
6. Stuck in a socket extension for spark splugs and loosened/removed. 7. Replaced with new spark plugs (IMPORTANT: 15-18lb (torque wrench))
8. Put it back to together.

Driver side:
1. Removed battery
2. Took the windshield washer bottle plastic screw off (to allow flexibility when working)
3. You'll see the plugs on the side.

Sorry, but unless you have barbie hands, I can't see a way to get that last plug out (nearest to the firewall) without removing that air pump. Any help? suggestions?

Mods:
-Cobb AP v1 stage2 '93oct
-Invidia bellmouth dp v2
-DC Sports single canister cat-back
-K&N air filter
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