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2012 Tundra Spark Plug Recommendation

Posted on 8/18/17 at 9:42 am
Posted by Homey the Clown
Member since Feb 2009
5714 posts
Posted on 8/18/17 at 9:42 am
Like Gorilla, I just hit 100k in my truck. 2012 Tundra 4.6L V8. Got the oil changed this morning, and they gave me a list of recommended maintenance for 100k. First on the list was new spark plugs for $311.43. That seems EXTREMELY high for that service, no? Even if it is a dealership. So I'm going to go ahead an change those myself. What brand would you recommend? Should I change the spark plug wires, too?

Advice?

I've never had a vehicle over 100k miles, so I'm in uncharted territory here.

I also know nothing about engines other than changing the oil and checking a battery and fluid levels, simple shite like that.
Posted by weadjust
Member since Aug 2012
15102 posts
Posted on 8/18/17 at 9:56 am to
quote:

What brand would you recommend?


NGK

quote:

Should I change the spark plug wires, too?


I don't think it has spark plug wires. Coil on plug setup.

quote:

Advice?


Gear Wrench 6-Inch Swivel Spark Plug Socket



Posted by Homey the Clown
Member since Feb 2009
5714 posts
Posted on 8/18/17 at 10:02 am to
Whats the difference between the cheap NGK and the more expensive NGK?
Posted by Wtodd
Tampa, FL
Member since Oct 2013
67488 posts
Posted on 8/18/17 at 10:04 am to
quote:

NGK

This
Posted by Homey the Clown
Member since Feb 2009
5714 posts
Posted on 8/18/17 at 10:05 am to
These?

Obviously I'd need 8, but that spark plug would suffice?
Posted by X123F45
Member since Apr 2015
27410 posts
Posted on 8/18/17 at 10:08 am to
quote:

NGK


Or denso. The denso quad style are better than the ngk. Just put stock ones back in.
Posted by Clames
Member since Oct 2010
16572 posts
Posted on 8/18/17 at 10:10 am to
Factory sparkplugs and gap. Use compressed air to blow out the recesses where the sparkplugs are so debris doesn't fall in the combustion chamber. Make sure engine is cold before removing plugs, I spray a little Kroil onto the plugs about an hour before I pull mine. Have a good ratchet, extensions, and socket handy before starting. A long handle, flex head 3/8 drive ratchet is best. Get some anti-seize and dielectric grease for the new plugs, a little of each goes a long way. Start new plugs by hand as far as you can go, cross-threading is easy to do and very bad here. Torque to factory spec and that means buying a decent in-lb torque wrench if you don't have one. Watch a few Youtube videos on this before you really commit.
Posted by weadjust
Member since Aug 2012
15102 posts
Posted on 8/18/17 at 10:13 am to
quote:

Whats the difference between the cheap NGK and the more expensive NGK?


You can get standard 25k miles /platinum 50k miles/double platinum 75k miles /iridium spark plugs 100K miles. Depends how long you plan to keep the truck.

Miles is a guestimate but you get the idea
Posted by Homey the Clown
Member since Feb 2009
5714 posts
Posted on 8/18/17 at 10:13 am to
frick, you just made this shite much more complicated. Thought this was gonna be easy like changing out a bolt
Posted by Ole Geauxt
KnowLa.
Member since Dec 2007
50880 posts
Posted on 8/18/17 at 10:15 am to
A Yota don't need any dayum plugs, total waste of money.. Those are for Chevys...


Posted by MWP
Kingwood, TX via Monroe, LA
Member since Jul 2013
10439 posts
Posted on 8/18/17 at 10:17 am to
quote:

Thought this was gonna be easy like changing out a bolt


$300 is sounding a lot more reasonable, amarite?
Posted by Homey the Clown
Member since Feb 2009
5714 posts
Posted on 8/18/17 at 10:23 am to
Well $300 seems a little steep still, but frick, I wasn't planning on hooking up an air compressor to blow out the sockets, and getting a torque wrench to make sure they aren't too tight, and all that other bull shite. I was just gonna swap em. Fuuuuuuuuuuuuuuuuuuuuuck I'm gonna pay $300 prolly
Posted by MWP
Kingwood, TX via Monroe, LA
Member since Jul 2013
10439 posts
Posted on 8/18/17 at 10:24 am to
quote:

I'm gonna pay $300 prolly


Smart move.
Posted by Homey the Clown
Member since Feb 2009
5714 posts
Posted on 8/18/17 at 10:26 am to
quote:

MWP


You must be a mechanic
Posted by Clames
Member since Oct 2010
16572 posts
Posted on 8/18/17 at 10:27 am to
On a pushrod V8 it would be. OHC makes it a bit more involved since you can't actually see the sparkplug you are working on. Just have to take more precautions since you don't want anything falling down the sparkplug well and into the cylinder. Aluminum heads are easier to strip so that's always a consideration no matter the design.
Posted by MWP
Kingwood, TX via Monroe, LA
Member since Jul 2013
10439 posts
Posted on 8/18/17 at 12:39 pm to
quote:

You must be a mechanic


Naw, just looking out for a fellow Tundra owner who was about to embark on a potential cluster frick since he thought changing out spark plugs would be like changing out a bolt.
Posted by Wtodd
Tampa, FL
Member since Oct 2013
67488 posts
Posted on 8/18/17 at 12:42 pm to
quote:

These? Obviously I'd need 8, but that spark plug would suffice?

Those look like it.....someone mentioned Denso; those are good too
Posted by Wtodd
Tampa, FL
Member since Oct 2013
67488 posts
Posted on 8/18/17 at 12:44 pm to
quote:

I wasn't planning on hooking up an air compressor to blow out the sockets

Shop Vac works
Posted by lsu xman
Member since Oct 2006
15553 posts
Posted on 8/18/17 at 1:03 pm to
Any local reputable indy mechanic shops?
Posted by baldona
Florida
Member since Feb 2016
20453 posts
Posted on 8/18/17 at 1:58 pm to
quote:

Use compressed air to blow out the recesses


Im trying to wrap my head around this, why would you blow compressed air? Would you not want to vacuum them out? Blowing the air in would blow the any pieces into the block would it not?

OP, go get a torque wrench from harbor freight for like $15. I've changed many a plugs without one though, but using a torque wrench is def a good idea.

All he is saying is use a vacuum, apply some anti-seize, start them by hand, and properly torque them. Its really not that much.
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