Learn how to replace spark plugs, inspect spark plugs, gap spark plugs, figure out what spark plugs are best for your car and where to use antiseize and dielectric grease. I cover every aspect in spark plug and wire replacement all in one video!

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Spark Plugs: https://advanceautoparts.rt8x.net/db6gk
Spark Plug wires: https://advanceautoparts.rt8x.net/NnjW2
Tools: https://advanceautoparts.rt8x.net/7WYqQ

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Disclaimer:
Due to factors beyond the control of ChrisFix, I cannot guarantee against improper use or unauthorized modifications of this information. ChrisFix assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. Use this information at your own risk. ChrisFix recommends safe practices when working on vehicles and or with tools seen or implied in this video. Due to factors beyond the control of ChrisFix, no information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. Any injury, damage, or loss that may result from improper use of these tools, equipment, or from the information contained in this video is the sole responsibility of the user and not ChrisFix.

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21 thoughts on “Spark Plug Replacement DIY (the ULTIMATE Guide)”
  1. By the way if you shop at Advance Auto and use the code "ChrisFix25" at checkout, you will get 25% off your entire order (order anything, not just plugs). *I do not make a penny from this. I asked Advance Auto for a discount for my Subscribers (and I use it too lol). I hope that helps!

  2. I have a 2005 F150 with the 4.6 engine.
    The motor has 250k miles on it. I've changed the plugs about 3 times since it came into my possession.

    The last change over 18 months ago was really bad… the plug threads seemed really dirty from all the anti seize and dirt collection. I did my my best with an air compressor and got them seated. No problems with misfires or engine codes.

    I'm dreading the next change this weekend. Planing on soaking with a bit of carb cleaning (per Ford) overnight. Then chasing the threads on all 8….

    My question is what grease do you recommend to use on the thread chaser?
    Should I clean the grease off the threads before installing the plugs with anti seize?
    I am very concerned about hydrolocking the motor with too many sprays of cleaner in the plug hole… but gonna try and blow them out dry with an air compressor.

    Any tips or advice will be appreciated….

  3. Hi ChrisFix, Great video by the way. Just to let ya know you did not use the feeler gage properly. Yes you added up the right numbers but used the wrong feeler leaves. You want to make sure you use ones next door to each other. For example 0.060in. would use 0.012in. to 0.014in. all four feeler leaves together, no gap no worries. This is also true for the metric equivalent, if you so desire. In your case Ford gave you a range. That means the two extreme ends would be fine and everything in between. Once you decide which gap you are going to use, do a small calculation and use the right feeler leaves. I would suggest using the middle value which for the Ford Mustang for your year appears to be 0.054in. and just do the math. It looks like 0.017in., 0.018in. and 0.019in. will do the trick. That's what you use. That would be my recommendation. I have experience going back to 1983 working on a '72 Ford Pinto, '72 Chevy Nova, '86 Ford Ranger, '86 Chevy Celebrity Eurosport, '92 Dodge Dynasty, '06 Ford F-150, '11 Chevy Camaro 1LT RS. I also had a Mazda 626, a Hyundai briefly, and a '92 Chevy Camaro, all running with varying degrees of success. I still have the '11 Chevy Camaro 1LT RS which is by far the best car I ever owned.

  4. Hey guys Chris fix here! Today we're gonna replace the spark plugs on a 2010 ford F-150. Now this is a 5.4L Triton engine so the first thing you want to do is buy some head gaskets because we're gonna take the heads off"

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