2009 honda accord 3.5 ex-l spark plug change
These could just be "placebo effects" of me performing the work, but I do feel it livened her up a little bit. It also seemed to idle slightly smoother (again, it had a good idle before) and acceleration seemed to improve slightly. Then just repeat all of the steps in reverse yet again and you are all done! She started up just fine and there may have been a decrease in the amount of time it takes the car to started just fine before though.
A 5" extension will work too, but I prefer the 6" and you'll see why in the pics where the ratchet is connected:Ī tight fit, but it can be done. I tried taking pics of how I positioned the socket and extension. Now time to get those rear plugs out of there. Use the 6mm allen wrench and remove the bolts holding the coil packs in place: Unplug the wires from the coil packs.brush handle pointing to it:
Then just repeat the steps above in reverse to finish off the front bank of plugs. DO NOT gap the new plugs.they are already pre-gapped: The old ones did indeed come out easily, but I want to ensure they will again after another 150k miles. Some people say use none, but I prefer to use it.
#2009 honda accord 3.5 ex l spark plug change install
Take out the new plugs and install a little anti-seize. Use the 6mm allen wrench to remove these bolts:ĭirty from blow-by.no worries though, this is normal for high miles as plugs aren't perfectly sealed between the ceramic and metal: Unplug the wires from the coil packs by depressing the tab and lifting off: I was just very methodical in taking my time, removing one bolt at a time and sitting it aside, and taking all the pics.īristle Brush (optional, but I like to brush away any dust before disassembling) This process took me 65 minutes to do myself, but it can definitely be done quicker than that. The original Denso plugs had 156k miles on them and still looked great (for their age, no oily residue, good color). There is a great DIY already in the How-To section but I noticed people wanted pics of the rear bank of cylinders and how hard it was to get to them, so I figured I would do an updated thread. I've been on a bit of a maintenance streak lately with draining and refilling coolant, replacing all brake pads and rotors, air and cabin filters and today was time to change the spark plugs.