I am making a presumption that it will not come off by just pulling on the plug wire at the boot end of the wire next to the plug. There is the ever popular twist and wiggle move. It helps sometimes. There is a tool made for this problem and most parts stores carry them. hope it helps. duboff
The Spark plug location on the 2001 2.5 liter dohc is under the valve cover.
A 2001 GMC Sierra has many different features. A 2001 GMC Sierra has a 98 liter fuel tank, a V-8 engine, a large amount of space inside, and comfortable seats.
The Ford 4.0 liter V6 engine has ( 6 spark plugs )
.040 inch
.040"
Unplug the wire connecter Remove the 7 mm retaining bolt while trying to remove twist for easier removal
There is 2 of them on that engine and there both underneith the intake manifold. You will have to remove the intake to even see and get to them. No other way.
Depends on your engine: 1.0 liter 3-cylinder = 3 spark plugs, 1.3 liter 4-cylinder = 4 spark plugs
9000lbs
340HP and 455ft lbs of Torque
Disconnect the spark plug wires, disconnect the PCV-valve, remove four nuts holding the cover. Make sure that wires are not in the way. Remove the cover.
It should be 900 RPM's.