Appreciate the video - ty. A few suggestions/observations: FSM says to blow out spark plug well with compressed air before removing plug to avoid any debris falling into the cylinder. 100K on a set of plugs seems a little long (even for platinum. I change my copper plugs around 30-40K. I *think* the FSM calls for a change interval at 30K for the recommended champion copper plugs. People doing this may want to be aware that with jeeps of this vintage, the insulation on some of the ignition coil wires will most likely crack off. Be prepared to deal with that. It happened on both of my 04's, one with 120K, the other with 140k miles. Repair options include getting new connector pigtails or heat-shrink electrical tape, or rubber tape followed by a covering of good electrical tape.
yeah I had those bosch plugs in the 4.0l and it made it run like crap instantly. I took them out the next day and put in autolites and no issues. I guess the 4.7l doesn't mind.
I am starting to do some DIY on my jeep, and I thought changing the spark plugs should be easy enough for my first try, and given that your video explains the process so well. I need to buy some tools and I am curious about your note for plug #8 where you recommend "Swivel socket, extension, u-joint, extension. I found a magnetic swivel socket set with 4", 6" and 10" extensions on Amazon. Do you think I should be ok with that? You mentioned "extension" twice in your note, was that a mistake or did you mean 2 extension should be used, and what is a u-joint? Thanks for any advice - I don't want to start removing anything unless I am sure I have the proper tool to do the job :)
First: I recommend a swivel socket specifically for spark plugs, they usually have a foam insert that gently grips the spark plug to keep it from falling out. I guess a magnetic socket would work, I have never used one like that. Second: the double extension note for #8 was not a mistake; tool assembly order is swivel socket, extension, u-joint, extension, ratchet. The extension lengths in the socket set you found should get you through the job, but I do highly recommend at least one locking extension to plug into the spark plug socket because when you tighten the spark plugs, the socket has a firm grip on the plug and a standard extension will often let go of the socket when you try to pull it out, leaving the socket down in the hole. It can be a hassle getting it out. If you do not have a locking extension, you can try wrapping the junction with black electrical tape to keep the socket attached, that often works. A "u-joint" (universal joint) is a swiveling joint that allows you to put a small bend between the socket and the ratchet. Do a search for "3/8 universal joint" Example: www.amazon.com/CRAFTSMAN-Universal-Socket-8-Inch-CMMT99291/dp/B07QDVS6RS/ref=sr_1_14_mod_primary_new?crid=1V0L1WB5US2Q3&dchild=1&keywords=3%2F8+universal+joint&qid=1611520165&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&sprefix=3%2F8+u%2Caps%2C260&sr=8-14 Do not crossthread or overtighten the plugs during installation. Good luck.
Can you do a video on how to change the radiator fan and camshaft position sensor please
Appreciate the video - ty. A few suggestions/observations: FSM says to blow out spark plug well with compressed air before removing plug to avoid any debris falling into the cylinder. 100K on a set of plugs seems a little long (even for platinum. I change my copper plugs around 30-40K. I *think* the FSM calls for a change interval at 30K for the recommended champion copper plugs.
People doing this may want to be aware that with jeeps of this vintage, the insulation on some of the ignition coil wires will most likely crack off. Be prepared to deal with that. It happened on both of my 04's, one with 120K, the other with 140k miles. Repair options include getting new connector pigtails or heat-shrink electrical tape, or rubber tape followed by a covering of good electrical tape.
Great video!! Thanks. Do the coils ever need to be replaced? My 02 is at 133K and I’m not sure they’ve ever been changed.
I did mine. That rear passengers side plug sucked with the dipsticks on top of it and the pcv tube. Got it done though.
You have a video on getting passenger side exhaust bolts off ? It's one hell of a fit and at a angle. Can't come from top on my jeep or tire well 🤔 😕
yeah I had those bosch plugs in the 4.0l and it made it run like crap instantly. I took them out the next day and put in autolites and no issues. I guess the 4.7l doesn't mind.
I am starting to do some DIY on my jeep, and I thought changing the spark plugs should be easy enough for my first try, and given that your video explains the process so well. I need to buy some tools and I am curious about your note for plug #8 where you recommend "Swivel socket, extension, u-joint, extension. I found a magnetic swivel socket set with 4", 6" and 10" extensions on Amazon. Do you think I should be ok with that? You mentioned "extension" twice in your note, was that a mistake or did you mean 2 extension should be used, and what is a u-joint? Thanks for any advice - I don't want to start removing anything unless I am sure I have the proper tool to do the job :)
First: I recommend a swivel socket specifically for spark plugs, they usually have a foam insert that gently grips the spark plug to keep it from falling out. I guess a magnetic socket would work, I have never used one like that.
Second: the double extension note for #8 was not a mistake; tool assembly order is swivel socket, extension, u-joint, extension, ratchet.
The extension lengths in the socket set you found should get you through the job, but I do highly recommend at least one locking extension to plug into the spark plug socket because when you tighten the spark plugs, the socket has a firm grip on the plug and a standard extension will often let go of the socket when you try to pull it out, leaving the socket down in the hole. It can be a hassle getting it out. If you do not have a locking extension, you can try wrapping the junction with black electrical tape to keep the socket attached, that often works.
A "u-joint" (universal joint) is a swiveling joint that allows you to put a small bend between the socket and the ratchet. Do a search for "3/8 universal joint"
Example: www.amazon.com/CRAFTSMAN-Universal-Socket-8-Inch-CMMT99291/dp/B07QDVS6RS/ref=sr_1_14_mod_primary_new?crid=1V0L1WB5US2Q3&dchild=1&keywords=3%2F8+universal+joint&qid=1611520165&sbo=RZvfv%2F%2FHxDF%2BO5021pAnSA%3D%3D&sprefix=3%2F8+u%2Caps%2C260&sr=8-14
Do not crossthread or overtighten the plugs during installation. Good luck.
How long would you say from start to finish did the job take? Great vid.
What did you use and how did you rewrap do the wire looms
What size socket do you need for spark plug
I used a 5/8" to great effect