Changing Spark Plugs: Rocket Science?
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Thread: Changing Spark Plugs: Rocket Science?

  1. #1
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    Changing Spark Plugs: Rocket Science?

    My wife hates that expression: rocket science.

    Our 2000 Odyssey is due for the 105k mile service, a part of which is to replace the spark plugs. A Honda dealer wants to charge $230 for that portion of the service package. Aren't OEM plugs about $20 each? So 6 plugs is about $120. It's should be an easy DIY task, right? Am I missing something?

    p.s. Where can I find the correct torque to apply to the plugs?

    Thanks.

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  3. #2
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    I changed the plugs in our '01. Not too hard. If memory serves you remove the plastic cover and that gives access to each coil pack / plug. the ones in the back were a bit harder due to access, but with various socket extensions, none were impossible. Regarding the torque - don't have the value off hand. Maybe there is a post in the maintenance section with that. I know it wasn't very much.
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  4. #3
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    Buy them on line e.g. from Amazon and you will be paying less than $10 each. The torque is usually around 15 ft-lb. Generally, you follow the direction on the package where it tells you to tighten 1/4 turn after it sits. Don't use big ratchet and try to put your hand near the pivot point so that you will not apply too much torque.

    And definitely use the OEM plugs either Laser Platinum or Laser Iridium made by NGK or Denso.

  5. #4
    cnn
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    Re: Changing Spark Plugs: Rocket Science?

    Originally posted by oc92037
    ...p.s. Where can I find the correct torque to apply to the plugs?

    Thanks.
    I wrote this DIY a while back. Everything is in that thread:

    NGK Stock Spark PLug at 65K miles:

    NGK Stock Spark PLug at 65K miles
    cnn: 2007 Odyssey LX

  6. #5
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    Heh, this was an easy decision to make. After looking over the posts, opening the hood and TRYING to locate the spark plugs (I could only feel the rear coil assembies), I was pretty much convinced to have the dealer change them. Since they have been installed since I bought the van 90K and 9 years ago, the chances of them being hard to remove is very high. SO Dealer it is! I will post what the cost was...

  7. #6
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    Heh, this was an easy decision to make. After looking over the posts, opening the hood and TRYING to locate the spark plugs (I could only feel the rear coil assemblies), I was pretty much convinced to have the dealer change them. Since they have been installed since I bought the van 90K and 9 years ago, the chances of them being hard to remove is very high. SO Dealer it is! I will post what the cost was...

  8. #7
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    Quote Originally Posted by johnpombrio View Post
    Heh, this was an easy decision to make. After looking over the posts, opening the hood and TRYING to locate the spark plugs (I could only feel the rear coil assemblies), I was pretty much convinced to have the dealer change them. Since they have been installed since I bought the van 90K and 9 years ago, the chances of them being hard to remove is very high. SO Dealer it is! I will post what the cost was...
    $260 before taxes at the dealer. They are using Honda platinum spark plugs.

  9. #8
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    Let me assure you that honda does not own a spark plug factory. the sales wing of honda rebadges some manufactures plugs that are close to spec and most importantly cheap!.
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    WOW, I just changed the plugs today and paid around $40 and 45 min!!! It's super easy actually, with the right tool needed.

  11. #10
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    Rocket Science? More like remedial HS auto shop class level work. Ever had a look at the average dealer auto tech? Are you really intimidated that they are capable of things you aren't?
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  12. #11
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    Apparently it's not common knowledge, but spark plugs need to be changed when the engine is COLD. My co-worker had a good laugh at me when I told him my troubles getting the plugs to come out in a Miata when I just drove home from Pepboys with the plugs. The threads risk crossing when the engine block is hot due to metal expansion. Once the engine cooled down, the plugs came out no problem.

  13. #12
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    I just changed the plugs on my 05. used laser iridium from NGK, which is what was in there from the fatory. $60 incl shipping from Rock Auto, and exactly 60 Minutes time from hood open to hood closed. I used a 3/8 ratchet with a 4 in. extention, and a universal/swivel. Spark plugs take a 5/8 spark plug socket. ...and yes, best to do it with the engine cold.
    Mike Mahoney

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    Can't be harder than a damn Chrysler Voyager. I hate doing tune-up's on those.

    Of course it ain't as easy as my BMW either... a 20 minute job easy.
    Matt in VA- BMWCCA 418835
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    I am on a budget and want to do a tune up. Is it neccassary to replace the coil packs or can I just do the spark plugs? And is NGK the only ones recomended?

  16. #15
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    No need to replace the coil packs if they are working okay.

    However, NGK Iridium is the best plug for this engine. They are available online for a good price compared with over-the-counter.
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