Question about 2006 Lincoln Navigator
Your engine is a lincoln 32 valve which tell you you have 4 valves per cylinder and 4 cams 2 per head the sparkplugs are in the middle of the valve cover with a long cover covering 4 coil on spark plugs.
these engine have been known to stick spark plugs ( if you break one off you will be removing the head) not an easy job.
ONLY DO THIS ON A COLD ENGINE
blow out around the sparkplug to remove any dirt. spray some WD40 or whatever you use into each plug hole. and go have a cup of coffee because this is going to take awhile . slowly remove your plus do not force it they will break. install with a very little neverseze on the threads re install coils and cover plate.
i know of professionals that have had problems with these.
the 32 valve is one of the best engines ford ever made and no longer make it they replaced it with the 3 valve and my new one wont even come close to the performance and millage the 32 valve had (wish i had it back it was paid for)
Posted on Aug 25, 2008
Your spark plugs should be in either one of 2 places.
1 while you are stadning in front of the car look down there should be some what looks like black caps with thick wires coming from them. in this position you plugs will be torward the bottom of your engine.
2.look to the right or left of the engine. you should see the same thing black caps with wires comeing out of them. thoses are you plugs. now all you have to do is take one wire off at a time. to do that grasp the lower part of the wire shoudl be the black cap do not pull on the wire it's self you might break the wire. from there you should be able to see the top of the plug.
Posted on Aug 11, 2008
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Posted on Jan 02, 2017
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