Under the radiator reservoir on the passenger side above the wheel well.
The recharge valve for the air conditioner on a 2002 GMC Envoy can be found by looking at the rear of the engine compartment. It will have a cap over the valve labelled as low pressure side.
No, not unless you have the proper equipment to recharge the system and/or dispose of the old AC refrigerant.
Buy a kit at Wal-Mart or auto parts comes with instructions
To recharge the air conditioner in a 2002 Chevy Malibu, first locate the low-pressure service port, which is usually near the accumulator or dryer. Attach a refrigerant can with a gauge to this port, following the instructions on the can for proper use. Start the engine and turn the AC to its maximum setting; then, slowly release the refrigerant into the system while monitoring the pressure gauge. Once the recommended pressure is reached, disconnect the can and replace the port cap.
To recharge the air conditioner on a 2002 GMC Envoy, first ensure the vehicle is off and locate the low-pressure service port, typically found on the larger refrigerant line. Attach a refrigerant can with a gauge to this port and start the engine with the AC on max. Follow the instructions on the refrigerant can to add the refrigerant, monitoring the pressure gauge to avoid overcharging. Once the desired level is reached, remove the can and replace the service port cap.
The 2002 Volvo S60 has 20 valves.
The 2002 Volvo S80 has 24 valves.
The 2002 Volvo C70 has 20 valves.
The 2002 Volvo S60 has a 5-speed manual.
The 2002 Volvo C70 is a gas-powered vehicle.
The 2002 Volvo S80 has a 4-speed automatic.
The 2002 Volvo C70 has an inline 5 engine.