Avail your own air conditioning system to transform forfeited refrigerant is a pleasant system to enjoy your Car repair costs down. The R-134A refrigerant in your tardy mannequin Chevy is the replacement for the instantly banned R-12 (freon) refrigerant fashion in older cars and fluorescent trucks. R-134A is legal and available for the house mechanic to convenience and is considerably less expensive than R-12. With a fix of A/C gauges, this project can be completed in an afternoon.
Open the blue (low-pressure) valve on the gauge set. Refrigerant will now flow from the can into the air conditioning system. When the can feels empty, close the blue valve and Stare at the pressures on the gauges.
The accumulator sits on the passenger side of the firewall. Consult to the advantage handbook provided you want comfort locating the Harbour in your particular Chevy vehicle.
2. Connect the high-pressure hose to the high-pressure assistance Harbour. The brick hose is the high-pressure hose, and the work port for this side of the system is located on the small diameter, high-pressure line that connects the condenser to the evaporator on the fire wall. Refer to the service manual for help in locating this port in your specific Chevy vehicle.
3. Set the climate controls on the dash to "MAX" for the air conditioning and "MEDIUM" for the blower speed. Start the engine and allow it to run for a few minutes. This will stabilize the pressures on the gauge set and provide a more accurate pressure reading.
4. Screw the can of refrigerant into the can tap and connect the can tap to the yellow hose on the gauge set. Twist the thumbscrew on the tap clockwise until it stops then counterclock wise until it stops. This punctures the seal in the top of the can and opens it.
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