Many of the 4.0 motors were never equipped with a PCV, but use the smaller line at the back of the valve cover to the intake as a meter orifice. The system is called CCV, for Controlled Crankcase Ventilation. Installing a PCV will overpressurize the engine and blow gaskets and seals.
There is no PCV,it is a CCV.It is located on the valve cover near the back.Take it out and use a paper clip to clean it out.Just straighten the clip and shove it trough the hole to remove the gunk,also take the line off that comes off the CCV and clean that with a good cleaner.
The PCV valve should be on top of one of the valve covers. It is a plug in type, you can twist it gently and pull to remove.
The 4.0L doesn't use a PCV, it uses a fixed orifice system. The orifice is the elbow coming out of the top rear of the valve cover.
It is the part that connects the engine to the trans and transmits the power. It is between there.
The 1990 Jeep Cherokee electric fan relay switch is located on the firewall in the engine compartment. The fan relay switch will be on the passenger side of the firewall.
It can not be removed and have the engine still run.
Yes, the engine computer is the voltage regulator.
No, remote start was not a factory option in 2000.
It is in the distributor.
The engine computer is also the regulator.
Usually a crankshaft sensor is located on the bellhousing of the transmission
It is the part that connects the engine to the trans and transmits the power. It is between there.
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.
The thermostat is under the housing where the upper radiator hose attaches to the engine.
The engine coolant temperature sensor is the sensor that is screwed into the thermostat housing on the top front of the engine.
this is located in passenger door switch
On the right hand (passenger) side of the engine compartment towards the rear on the firewall.
The 1988 Jeep Cherokee fuel pump relay switch is located on the firewall in the engine compartment. The switch will be on the drivers side of the firewall.
Each computer, (engine, abs, airbag, radio, etc) stores its own memory.
The 1990 Jeep Cherokee electric fan relay switch is located on the firewall in the engine compartment. The fan relay switch will be on the passenger side of the firewall.