Replacing Spark Plug

[danomar]

I am planning to replace my car's spark plugs my self for the first time so I watched a couple of youtube videos.
Unfortunately, these video tutorials made me more confused.
They are talking about a spark plug gap thingy and correct torque or tightness. I can't even find a store to buy that gap gauge.
Are they really important or can I just buy a plug that is designed for my vehicle and just plug it in?

Any advice? Thanks!

[StockEngine]

feeler gauge is necessary if you want to check the gap. if you do get the correct plugs.. its unnecessary. which car/year? which plugs did you get?

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[danomar]

Hyundai accent 2012. Don't have the plugs yet. Can I ask the store to correct the gap for me?

[mina_nuka]

Some spark plugs have protective sleeves to prevent accidental regapping when the plugs fall during handling from the manufacturer all the way up to the parts counter and beyond. Sometimes you need to regap for specific applications. To check the gap.use a wire feeler gauge. Use the correct :
Reach
Heat range
Seat type
And resistor type

[Mask Rider Blac]

Plugs are pre gapped. Usually if you buy the OEM plug there is no need to adjust the gap. You just need to install them. What is the suggested gap per owner's manual? What is the OEM plug?

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[danomar]

I bought a pre gapped plug. New problem, the old plugs are too tight they are hard to remove.

Any suggestion how I can replace those pesky plugs? I

[lowslowbenz]

^

Which way are you turning?

Loosen = counter clockwise
Tighten = clockwise

Pre-gapped or not, it is usually good practice to check and "re-gap" the new plugs yourself.

[danomar]

I bought a oem one specific to my car model to be sure.

I turned it counter clockwise. I already managed to pull one plug but the other plugs giving me a hard time.

[yapoy86]

I bought a oem one specific to my car model to be sure.

I turned it counter clockwise. I already managed to pull one plug but the other plugs giving me a hard time.

Try spraying wd40 on the spark plug and let it soak for a few minutes... make sure you are using the heavy duty spark plug tool.. not the one with joints

[lowslowbenz]

^

While WD40 is okay on freeing seized or rusted up threads, too much of it will contaminate your sparkplug threads. Thus leading you to over tightening the new plugs (because madulas eh from all that WD40 leftover).

Try to use it sparingly, (the little red pipe is there for that).

You can use a short extension (iron pipe, etc. what's available) to give you more leverage.

Or, take it to a mechanic, and observe what he does. Para second time around, you know what to do.

Goodluck.

[shadow]

Bring it to a mechanic you don't want plugs breaking.


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[mina_nuka]

Bring it to a mechanic you don't want plugs breaking.


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Yep! Take it to the professional if you can't. Sometimes it is cheaper because you try to avoid making costly mistakes.

On another note, if the spark plugs are accessible, spray penetrating oil to the base of the plugs while they're still warm. Do not handle the spark plugs while they're still hot and still installed. Let them cool off. Aluminum cylinder heads are too easy to get the spark plug holes to get stripped.

[StockEngine]

some say heat cycle...hot then cold.. remove when cold after shrinking..

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[LN106G]

To TS, just make sure to look at your owner's manual. The specific type of sparkplug best suited for your car is usually listed there. Usually they list 2-3 different brands but with same specs (ie: Denso, NGK, Bosch, etc). That is what you will buy and install in your car. You may also opt for Iridiums if budget permits, longer service life... REplacing a spark plug is direct to the point if you are willing to get your hands dirty once in a while. its a man thing