changing plugs from underneath
...
so yes i've been driving around with one side of new plugs and one side of cruddy old ones
take off the coil packs (the whole bracket, not each coil) and thats how i do it. Driver side is cake, but i have to take off the passenger side coils to get the plugs
Might have to move/bend some heat shielding but those are small screws.
I always only manage to get 8 lying on my back with my feet under the front bumper using my right hand.
I think it works better than from above.
Also, a 1" extension will knock an hour off of the time required....it's soooooo much easier with a 1" extension.
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Also like other people said, take the air crap off too. It doesnt do anything useful but it takes up space and makes some things hard to get at.
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easiest to go through the top IMO
I just did a header swap and replaced my plugs while I was in there. I did the plug on cylinder 8 from the bottom and the rest from the top.
I recently had to take my passenger side header off and pulled my coil bracket off to get to the header bolts and plugs. I found that the stubby gear ratcheting wrenches worked best. My tool box now has stubby wrenches and a stubby 3/8" drive socket wrench too. Gotta love stubby tools for working on the passenger side.
Also, to keep from scratching the crap outta my hands, I ground off the tops to all of those coil pack bolts that looked more like spikes. You gotta love Dremel tools too.

I changed number 8 from below. Now the heat and ac are gone so the pax side is a piece of cake...





