Google it. There are You tubes on this.

Some of the fitting barbs were made of steel also.

Readings are too high. Spray the condenser with a water hose while monitoring the high side pressure. Does it drop like a rock? If so, start by checking airflow across condenser. Check the cooling fan also. If the high side drops, does the low side drop also?

The low side fitting on the hose does not sound as if it has the proper connection.

You need to be careful with aftermarket fans. Some of them allow you to wire them in reverse rotation. Some of them mount with different types of mounting that will allow them to rub on the condenser and radiator. Some of them do not have the proper CFM ratings. SDometimes you are better off biting ...

Spray a water hose on the condenser when the pressures are high. Does it drop like a rock?

loss of vacuum from supply to control head. It might help if you added the year to your post.

forumoto wrote:Metering device? You mean the manifold gauge or what?

Negative. I am speaking of the TXV or orfice tube. There are the devices that allow refrigerant to flow into the evaporator.

Start looking at the metering device. If possible, tape a gauge set onto the windshield and give us the readings.

Before placing 12 volts on the fan leads to see if it works, disconnect the fan from the vehicle wiring. You o not want to chance back feeing to the PCM.