4.0 SOHC Spark Plug Change | Page 2 | Ford Explorer Forums

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4.0 SOHC Spark Plug Change

what the plugs we should use in our 4.0 sohc?
 



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it also works good if you have a 12 year old brother with skinny hands to reach in there. Im surprised how he could contort his body to get in there. With carefull guidance he did pretty good, all i had to do was buy him lunch and he got all the bloody knuckles and a swelled ego.
 






mikeh

This is my first reply to a thread, but I've been around almost three years. Here is a great link that I used. The author is mikeh. If the link doesn't work, I've saved the text and will post it.

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Can't find the link, here's the text....

The previous example of my reply is why I do not reply. I'm not the sharpest knife in the shed, er...uh...or is it sharpest tool in the drawer. Either way, mikeh's information was extremely helpful to me.

Here is the link...personal thanks to mikeh. It saved me time.

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Changed the pass side today. Tried that wheel well removal, but didn’t have any luck getting it off.
So I tried the skirt only approach. Seems to give you some room, but not much. Anyway, don’t give
up if your just changing that back two on the pass side. They are knuckle busters though. A little
PB penetrating lube helped get them off along with that universal and a long extension for that center one.
That back one was hard, so I did it first. Used a stubby there along with that universal. I also put the rig
on jack stands one on the cross-member and one under that rocker arm coupling just for s & g.

The one on the cross-member was holding the box up okay. Those push pins are though, but not impossible to get off. Just keep at them. The first plug toward the front pass side, I had to remove the
water/coolant tank out of the way, that gave me plenty of room from the top. Not sure if it would have
been just as easy from the bottom as it was already done. Good luck, and DON’T QUIT!
__________________________
'99 Explorer Sport, 4.0L SOHC w/147K OEM plugs! Used.
 






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