Hi Homerbsharp, Welcome to 2carpros and TY for the donation
System Operating Pressure (3)
High Side270-305 psi (18.9-21.4 kg/cm2 )
Low Side34-40 psi (2.3-2.8 kg/cm2
I am assuming I have a high side blockage. if it is the high side will be low and so as the low side.
Could be air in the system or its overcharge
Disconnect the negative battery cable.
Discharge and recover the refrigerant.
Important: Cap the open fittings to prevent dirt and moisture from entering the refrigeration system.
Disconnect the union (4) of the evaporator liquid hose (5) and the evaporator liquid tube (3).
Carefully remove the orifice tube with needle nose pliers.
Important: Use new O-rings lubricated with 525 viscosity mineral oil.
Install the orifice tube to the evaporator liquid hose.
Connect the evaporator liquid hose (5) to the evaporator liquid tube (4).
Tighten the evaporator liquid hose (5) to the evaporator liquid tube (3) union (4) to 25 N.m (19 lb ft) .
Connect the negative battery cable
Evacuate and recharge the refrigerant system
Operate the A/C system and check for leaks.
Monday, September 6th, 2010 AT 8:29 AM