blue to low side and red to high side
Connect the Freon recharge hoses to the ports on the air conditioner compressor. With the hoses connected release the Freon into the compressor.
The ac recharge port is the low side port. It is on the hoses on the passenger side of the engine close to the belts.
The AC recharge port on a 2004 GMC envoy is on the low pressure connection. It is the larger of two hoses near the firewall.
The black or silver can is the accumulator/drier, located near the firewall on the pass anger side. It has two AC hoses connected to it and a low side recharge port with a dust cap on it. Remove the dust cap (if it is still present) and connect your recharge kit to the port. When done replace the cap.
either located on the firewall or one of the ac hoses
You will need a Freon recharge kit. Connect the hoses of the recharge kit to the ports on top of the air conditioner compressor. Release the Freon into the compressor.
To recharge the AC on the 2002 Ford Escort ZX2 you need to use the low pressure fill port. It is located on the larger of the two hoses coming off the compressor.
You will need to connect your Freon bottle to the low pressure port on your 2002 Chevy Cavalier air conditioning compressor. Release the Freon into the compressor. A Freon recharge kit will come with everything you need and instructions.
Using a gauge and the proper type of freon, connect to the low side ac gauge. With the ac on high and the engine running fill the system to the full mark on the gauge.
How do i Recharge AC Unit for a 1998 Dodge Stratus
Connect freon and a gauge to the low side ac port. Fill the system to full on the gauge, with the engine running, and the ac on high.
Using the proper type of freon and a gauge, connect to the low side ac port. With the engine running and the ac on high, add freon till the gauge shows full.