2004 jeep grand cherokee expansive valve replacement procedures

[dieseldaisy]

Hi I am looking for help with learning how to properly and safely pull and replace and recharge my expansion valve in my 2004 jeep grand Cherokee 6 cyl 4.0 l
I am seeing the low side pressures holding steady at 5 psi and the high side holding at 225 psi?? expansion valve is the cheapest thing to start with right? I really could use step by step instructions on how to do this. do I need to evacuate? how does a diy do that all I see in the parts stores are vac systems but my understanding is that these are to only remove moisture after the repair and just before recharging?????????? Help!!!!!!

[Tim]

Get an All Data Subscription for you vehicle.

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System will need to be pulled into a vacuum before charging.