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4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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  #1  
Old 08-22-2005
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big problem with spark plugs

Well since i just recently bought my truck i figured it could use new plugs and wires. It has 134k on it so i figured it wouldnt hurt even though i didnt know when they were changed last. So i popped the hood and pulled the wires when i noticed for some reason all the plugs on the right side were really rusted in. After about 4 hours of PB blastings and cranking every 15 minutes i got 2 plugs out.(I did the left side first in 25 minutes or so they werent rusted at all)Well im on the last plug and i realize this thing aint moving.Finally i called out the stepdad to see if he can break it loose. First try he cranks the wrench and my jaw dropped. F***!!!!! I knew it shouldnt have turned that easy. So i take a look and the end of the plug it is a perfect circle. So if anyone knows how to get that plug out please let me know. Oh ya found out the guy before me never changed the plugs.
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Old 08-22-2005
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oh hell. let see here get all the plastic stuff out of the way and start heating it with eather a oxygen/osatalen torch or propain. then snap a Vise-grip on it and try taking it off. other wise your looking at taking the head off. BTW is that a alum head or not? if it is becarful on the heating.
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Old 08-22-2005
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if its flush with the head you might be screwed, you can try an EZout bit but most likely youre looking at removing the head.
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Old 08-22-2005
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i think you have a serious problem
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Old 08-22-2005
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I just dont understand first how only one side gets all rusty like that, second who would never change the plugs, and three how can a plug get that rusted in?
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Old 08-22-2005
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ive seen it, so is it rounded? are you using a 6 or 12 point socket? they also make those grip sockets for if you have rounded a nut, maybe one of those will work. i think that crafsman makes them.
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Old 08-22-2005
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:Worthless
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Old 08-22-2005
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Ya its rounded i was using a 6 point. But the thing is i dont know if ill get that BI*** out. i was blasting it with the PB every 15 and trying to turn it and it wouldnt budge. now without any points i dunno what will happen im going to continue to spray it everyday and get a grip socket hopefully it will eventually come loose.
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Old 08-22-2005
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get a needle nosed vise grip plier
you should be able to get a grip on it with that
try the heat as advised - propane torch will be enough
- you just want to change the temp of the plug and not the surrounding material

or - grind it down and put a slot into it
you will have to grind down past the ceramic into the body of the plug
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Old 08-22-2005
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Quote:
Originally Posted by zabeard
i think you have a serious problem
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  #11  
Old 08-22-2005
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broken sparkplug

if all else fails....drill a 1/4 hole right through the plug not all the way through!then get a "bolt-out" screw extracter (sears has them)give it a slight tap into the hole now you can back it out with the broken plug.

good luck!
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Old 08-22-2005
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ya might wanna be carfull with that... you may get crap inside the engine...
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Old 08-22-2005
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Take the head off or else you're going to either warp the head with the heat or you're going to break the plug off in the cylinder...
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Old 08-22-2005
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Originally Posted by 67cobain94
Take the head off or else you're going to either warp the head with the heat or you're going to break the plug off in the cylinder...
How much would it cost if that happened...
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Old 08-22-2005
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Quote:
Originally Posted by ranger02_4x4
ya might wanna be carfull with that... you may get crap inside the engine...
thats why i said " not to drill all the way through"
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Old 08-23-2005
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before you get done... i was told to make sure nothing got in the cylinder to fire the engine over without the spark plugs in this way it blow/forces the crap out.
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  #17  
Old 08-23-2005
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Thanks for all the help im going to wait till this weekend when i dont need my truck to get to work. Dont exactly know what i will try but i'll get that thing out.
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  #18  
Old 08-23-2005
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Quote:
Originally Posted by zabeard
before you get done... i was told to make sure nothing got in the cylinder to fire the engine over without the spark plugs in this way it blow/forces the crap out.

Does not get all of it out.

Pull the head, be safe.

Can probably get it off from the inside.

Ever put a head back on? Have a torque wrench?
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  #19  
Old 08-23-2005
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This is one of those things that is such a minor stupid little problem but results in one of the biggest pain in the *** expensive ordeals you can go through with your engine. It really sucks, so do whatever you do slowly, carefully, and think twice about what you're doing before you do it.
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Old 08-23-2005
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Quote:
Originally Posted by wanted
Does not get all of it out.

Pull the head, be safe.

Can probably get it off from the inside.

Ever put a head back on? Have a torque wrench?

forget that, you know what a shop does if they get stuff down there? the turn the eninge over to blow it out. im not gonna waste my time and money to have the head pulled. turn it over a couple times and it works for me. if the engine goes because of it so be it. 134k on an engine do you really think its worth the time to pull the head just to get that stuff out? i dont...

now if you had a engine with only 40k and this happened then ya it would be worth the extra hassle to pull the head and make sure all that gets out.
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  #21  
Old 08-23-2005
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Im with zach im not gonna pay all the money to pull the head the engine just isnt worth it IMO. Actually now that i think about it i hope i blow the engine that means a new one Mayb a 5.0 J/K No i dont really want to blow the engine i just dont think its worth pulling the head
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  #22  
Old 08-23-2005
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Quote:
Originally Posted by zabeard
forget that, you know what a shop does if they get stuff down there? the turn the eninge over to blow it out. im not gonna waste my time and money to have the head pulled. turn it over a couple times and it works for me. if the engine goes because of it so be it. 134k on an engine do you really think its worth the time to pull the head just to get that stuff out? i dont...

now if you had a engine with only 40k and this happened then ya it would be worth the extra hassle to pull the head and make sure all that gets out.
Umm. You do realize that replacing an engine costs the same whether it has 134,000 miles or 23 miles, right? I fail to see what difference it makes.
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Old 08-23-2005
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yes but you are looking at it differently than me... your looking at is as money spent.. but if you had an engine 134k prolly been beat to ****, and could be having issues im not going t otake my time to take the head off and make sure that crap is out of there. that is me we all have our opinions on ho wto handle certian things... if he wants to take the head off and spend alot of time more power too him. dont you think if he is having trouble getting a spark plug out that he will just run into more issues taking the head off? idk if it was my truck i would get the plug out, clean the hole, turn the engine over a couple times then put the new spark plug in.
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  #24  
Old 08-23-2005
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If it has 134k and is running fine, why blow it up just because it is old?
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  #25  
Old 08-23-2005
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Be glad its an OHV engine instead of an SOHC. Pulling a head isn't much of a problem, its all straight forward.

D.
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