Re: How do you get to #3 Spark Plug? Do I remove steering...
You need to jack it up by the shock go in through the wheel well n shove the socket on i did it and it worked it aint that hard to get off when you break it ....take off the socket and do it by your hand its rough but it should werk
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if your trying to remove the center spark plug try putting socket on it first then use wrench on end of socket or there is a 7/16 bolt at end of steering shaft that can be removed - slide shaft off and move away from spark plug to gain more room to work
If you own a blazer from 95 or up, which is the newer body style, you will find when you go to change the spark plugs, you will not be able to reach one pesky plug that is blocked by the steering column.
Here is how to get it out.
take a socket that fits only over the porcelain closely and a wrench that has a closed end side that will slide over the socket out side.
Put the socket over the plug end, and using the wrench, put the closed end over it and use it for leverage to break the porcelain off.
Now you will be able to fit a regular size socket over the plug to remove it.
When you go to put the new one in, put it in and hand tighten as much as you can, then us an open ended wrench to tighten it.
I can't offer a picture, but the drain plug is located at the very bottom of the engine, on the drivers side of the oil pan (the big black tube thing). It will be a 15mm bolt. The spark plugs, there are 4 on both sides of the engine. Follow the large ignition wires to each. You will need a spark plug socket or a deep 5/8" socket to remove. Remove the ignition wire from the spark plug (one at a time to not mix up). Remove the spark plug, replace. The center one (6cyl) or 3 one in on the drivers side (8cyl), can be tricky. The steering shaft is tight to the plug, you may need to loosen off with a wrench.
I am writing you the method on how to change sparkplugs, you may now have an idea where spark plug is loacted.
The Ford Expedition uses eight spark plugs to accommodateits eight-cylinder engine. Replacing the spark plugs every 75,000 miles is animportant part of overall vehicle maintenance.
1. Disconnectthe negative (black) battery cable from the battery terminal.
Remove thewiring harnesses from the spark plug coils. There will be four on each side ofthe engine block, which you can remove by simply pulling them out of the sparkplug coils.
2. Unscrew the 7mm bolt from each of the spark plug coils usinga socket wrench and 7mm socket.
3. Pull each spark plug coil out of the engine block. Pull themout slowly, being careful not to damage or tear the coils.
4. Use a socket wrench and spark plug socket to unscrew eachspark plug from the engine block. Once you remove these, discard them.
5. Place the new spark plugs into the engine block and tightenthem using the socket wrench and spark plug socket.
6. Slide the spark plug coils back into the engine block.
7. Bolt the spark plug coils back into place using a socketwrench and 7mm socket.
8. Reattachthe wiring harnesses to the spark plug coils.
9 . Connect the negative battery cable to the negative batteryterminal.
the easiest way to get at them is through the wheel wells. Jack up the side of the vehicle you want to change plugs on to gain some extra clearance in the wheel well area. Remove the inner fender liner (floppy rubber part held to the inner fender with the plastic retainers). You will then be able to see the spark plugs/wires. a spark plug socket, swivel, extension, and ratchet will make the job go by quickly.
The middle cylinder on the drivers side can be a real bear since the steering shaft runs right in front of it. They make a spark plug socket just for this cylinder or you can use a regular spark plug socket, a short wrench, and a pry bar to get it to break loose.
If your not familiar with changing plugs I would not attempt number 5 yourself (the one behind the steering shaft). You could easily break it and end up in a pickle!
Other wise do them one at a time making sure to put the plug wire back on as soon as the new plug is installed to avoid mixing them up.
Remove the rubber boot carefully. Might want to grab ahold of the boot and turn in back and forth to break it free abit then pull the boot off. 5/8 deep socket with the spark plug insert will help keep the plug in the socket as you pull it out.
The plugs can be accessed by removing the front wheels and lifting up the flexible rubber splash shields on inner fender. All plugs are easily accessible with the exception of the #3 plug ( driver's side , center). Unfortunately the steering shaft is located right directly in front of this plug. Some people disconnect the steering shaft and move it aside to reach the plug but I have been able to remove the spark plug by placing the spark plug socket over the plug and then using an open end wrench or ratcheting box wrench over the hex of the spark plug socket.
Guaranteed, this # 3 plug will take as much time as the other 5 plugs combined. Good luck!
It take's about 10 min to remove and replace that plug, You need a spark plug socket with a built in swivel and extension. All the plugs should be removed from going through the wheel well by just moving the slash guard out of the way. With the number #3 plug, (drivers side center) Your going to have to use the swivel socket to break loose the spark plug then remove by hand, there is not enough room for the socket and plug to be removed so it needs to be removed by hand and installed by hand too. Once the new plug is installed you can torque it by working the socket back on and then the extension. Good luck and hope this helps, all the other plug can be replaced through the wheel wel; without removing any other thing un less your a larger person and would like to remove the wheel for more room or just by jacking the S10 up but the front frame. Keep me posted and careful not to break a plug.