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You must remove the aluminum Intake manifold ( upper & middle portion only ) to access the spark plugs. It's best left to a Professional Mechanic to do the job. The cost can vary. Look at atleast $400.00.. Just as a side note. The biggest hassle will be putting all those hoses & wire plugs you disconnected back in the right spot. The other is locating the proper bolts ( under all those hose & wires ) to remove the intake. Remember that this intake manifold only breathes air so no antifreeze BS to worry about. If you have the proper tools, patients & alot of time you can do it. I suggest perhaps taking some digital photos of the engine before you dig in - it will assist in getting some hoses back to the right spot ( label or color code hoses & wires first ) Good Luck ! And I will be doing this this weekend!

Just like the 1998 model !!! Really ... Have Fun it's MitsushiTTI


This is also a good time to go ahead and check if you need to replace your water pump since you will already have everything off you need to get to it, save your self on some labor cost if you are paying someone to do this, or just save yourself the headache so you dont have too take all that crap off again if your h2o pump goes out.
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โˆ™ 2009-09-26 07:10:58
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Q: How do you replace the spark plugs on a 2000 Mitsubishi Montero Sport LS?
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How do you replace the spark plugs on a Mitsubishi Montero Sport?

THE INTAKE MANIFOLD MUST BE REMOVED. I WAS QUOTED > $600 TO CHANGE PLUGS. I SOLD MINE, AS IT WAS TIME FOR A TIMING BELT AS WELL. ANOTHER $600.


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It is a lengthy process that can be found at http://www.monterosportonline.com/diy-perf2.HTML. you have remove the intake manifold in order to replace the spark plugs or the spark plug wires. It's not a recommended task for unexperianced person.


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I took mine to Tune-Up Masters and I was charged 159.99 because of the extra labor they had to do. On Montero Sports they have to remove the air intake to reach the other spark plugs.


How do you change the spark plugs on a 2003 Mitsubishi Montero sport 3.0?

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How do you get to the spark plugs on a Mitsubishi Montero?

We have a 1995 Mitsubishi Montero (the people that brought your the fighter ZERO) and when it came time for a tune-up we couldn't get the plugs out. The car dealer here charged us over 500 dollars for a tune up and they had to remove the top part of the engine to reach the plugs, hence the large dollar value. We will NEVER own another Mitsubishi again! Good luck:)


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Where the spark plug located in 2005 Mitsubishi montero?

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THe spark plugs are buried! IT is one of the frustrating designs of this car! It takes a couple of hours for a trained mechanic to do the work and even longer for the untrained. If you have the work done, get the best, most expensive spark plugs to replace them with. I wnt 60K on my first set and am 30K into my second set.


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2 hours if your top notch technician. You have to remove the upper intake manifold before you get to them. And about 6 hours if you are not a top notch technician. Just remember to mark everything with a paint pen or marker of so sort, even take photos to try and help with putting the manifold back together.