A very big deal and costly if you try it yourself and mess up. It's normally refereed to as a head job. Now get your mind out of the gutter, if you can.
The 2002 Grand Vitara EGR valve is located on top of the engine. The EGR valve will be between the engine and the battery.
A 1997 Jeep 4.0L does not have a pcv valve. It uses an orifice in the top of the valve cover.
Chrysler transmissions do not have modulator valves.
The grand Cherokee is a body style, sport is a trim package that is used on all jeep models(wrangler, Cherokee, grand Cherokee, patriot, ...)
The 2007 Jeep Grand-Cherokee has 12 valves.
The 2002 Grand Vitara EGR valve is located on top of the engine. The EGR valve will be between the engine and the battery.
Jeep transmissions do not have modulator valves
It is the Positive Crankcase Ventilation (PCV) valve.
The PCV valve on the 1995 Jeep Grand Cherokee Laredo V6 engine is on the oil filler tube. It is on the top of the engine.
A 1997 Jeep 4.0L does not have a pcv valve. It uses an orifice in the top of the valve cover.
Doesn't have one.
While you can find replacement parts for your Jeep Cherokee in a number of places, the best place to get them is from an official Jeep dealership. Also, these dealerships will often have service departments to install your window for you!
4.0L does not have a PCV valve, it uses an orifice in the rear of the valve cover.
Salvage yard? e-bAY?
It is a 5.2L 4WD.
Jeep Grand Cherokee was created in 1993.
V8, yes. I6, no. The I6 uses an orifice not a valve.