Time to replace plugs - Hyundai Forums : Hyundai Forum
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#1 Old 03-16-2012, 01:30 PM
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allmet33
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Time to replace plugs

Has anyone changed the spark plugs on their Azera yet? With 126K miles, it's time and I'm considering going with NGK Iridum plugs. When I had my Camry, I used Bosch Platinum +4 plugs, but Bosch plugs run too hot for Hyundai cars. Anyone have any experience with NGK plugs?
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#2 Old 03-16-2012, 05:27 PM
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Silver Bullet 00
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Originally Posted by allmet33 View Post
Has anyone changed the spark plugs on their Azera yet? With 126K miles, it's time and I'm considering going with NGK Iridum plugs. When I had my Camry, I used Bosch Platinum +4 plugs, but Bosch plugs run too hot for Hyundai cars. Anyone have any experience with NGK plugs?
I think I read somewhere that the Azeras come with the NGK Iridum plugs and if they last over 100K I wouldn't have problem using them. Yes, I did use the NGKs in my Chrysler 300M and never a problem. To bad its not as easy to change the plugs in our Azeras as it was in the 300M, 30 minutes to R&R all six.
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#3 Old 03-19-2012, 09:29 AM
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allmet33
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That would be interesting information. I know when I had my '02 Sonata, they came with Champion plugs in them. I agree with you on not being able to change the plugs on the Azeras ourselves. The front three are pretty easy to get to, it's those back three that are a monster. It must be a lot of work because everywhere I've called, the labor alone is around $250 for plug replacement.
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#4 Old 03-19-2012, 11:56 AM
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Originally Posted by allmet33 View Post
That would be interesting information. I know when I had my '02 Sonata, they came with Champion plugs in them. I agree with you on not being able to change the plugs on the Azeras ourselves. The front three are pretty easy to get to, it's those back three that are a monster. It must be a lot of work because everywhere I've called, the labor alone is around $250 for plug replacement.
Hi Allmet, confirmed with my Hyundai parts dept and use the NGK plugs.
$11 to $14 apiece on amazon, not a cheap plug. Yes, you have to remove the intake manifold to get to the back three and if doing it yourself , I would have a new intake gasket available, don't want any air leaks after all that work to change three plugs.
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#5 Old 03-19-2012, 12:06 PM
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allmet33
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Originally Posted by Silver Bullet 00 View Post
Hi Allmet, confirmed with my Hyundai parts dept and use the NGK plugs.
$11 to $14 apiece on amazon, not a cheap plug. Yes, you have to remove the intake manifold to get to the back three and if doing it yourself , I would have a new intake gasket available, don't want any air leaks after all that work to change three plugs.

Well...that is what I will go with then. I know when I stopped by All Tune & Lube in my area, they were charging $30/plug for the tune up. So...I'll gladly pay $11-$14/plug! LOL

Yeah...it's a lot of work and I'm really not interested in doing it. However, I would get the intake gasket and probably the upper engine gasket replaced while I'm at it.

It may be a lot of work but look at it this way, only to be done every 100K miles...so in reality, that's not bad at all.
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#6 Old 03-19-2012, 12:22 PM
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allmet33
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If not NGK, I may go with Denso Iridum Power or Long-Life plugs...

DENSO SPARK PLUGS - Basic Knowledge

6 Pack of plugs for $50 & free shipping!

http://www.ebay.com/itm/6-DENSO-IRID...sories&vxp=mtr

Last edited by allmet33; 03-19-2012 at 12:34 PM.
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#7 Old 03-19-2012, 12:42 PM
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Plugs on that engine is a cake walk.. Handfull of bolts and a little thought process.

NGK IRIDIUM IX is all you need, pick them up at any local part store that is a NGK retailer..

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#8 Old 03-19-2012, 12:50 PM
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allmet33
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Plugs on that engine is a cake walk.. Handfull of bolts and a little thought process.

NGK IRIDIUM IX is all you need, pick them up at any local part store that is a NGK retailer..

That's a long cake walk considering it's $250 for labor at $89/hr.
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#9 Old 03-19-2012, 01:00 PM
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Maybe an hr to 1 1/2 tops if you got tools..

Nothing hard about the job..

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#10 Old 03-21-2012, 06:02 PM
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jpackard
Hello,

Does anyone know why the 2009 Azera 3.8 is spec'd for a 1-step colder plug? Is the engine different?

I just changed my plugs at 70K miles. They could have easily gone 100K miles. The plugs were clean and the gap was still tight at .044.

I have used Denso TT plugs in other applications, always choosing the one-step colder plug option, and always been happy with the performance and gas mileage results. So I bought 6 Denso PK20TT and put them in my Azera about 10 days ago.

The car ran just as smooth and had just as much power. I gapped them at .046. I had to leave on a 1400 mile trip. Gas mileage was the same or a little less at first, but now it appears I am getting 3% - 4% better mileage if i can trust the car's computer display. I am not taking these plugs out.

The Denso
PK20TT will not last as long as the stock Iridium NGKs. I have done clutches and timing belts in other cars but I am not as quick or as skilled as sbr711. It took me 4 hrs to change the Azera plugs but I think I could do it quicker next time.

-jp
2006 Azera
70K miles


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