Recharge a One thousand nine hundred ninety nine Silverado AC Course
Recharging the air conditioning action on your Chevy Silverado is crucial after you perform repairs that embrace replacing parts. The One thousand nine hundred ninety nine Chevy Silverado comes equipped with an R134a transaction that can be serviced by the family mechanic with sample skills and combat. This repair project does want the application of a vacuum pump and an A/C gauge locate, which are specialized tools that are available at your community Car parts supplier and may be available for rent.
Instructions
1. Attach the A/C gauge locate to the colossal and low energy overhaul ports located on the A/C edge near the passenger's side rear firewall. The ports are sized so that the gauge locate cannot be installed improperly. Twist the knobs on the hose ends counter-clockwise to conceive certain they are released, and pull the energetic disconnect call to snap them into put on the servicing valves.
2. Turn the thumbscrew on the tap all the way in, and then all the Exit to open the can. Start the engine, and set the A/C dash controls to maximum cooling and medium blower speed. Open the low side ( blue knob) service valve on the gauge set and allow the refrigerant to flow into the system.
3. Lasting the service valves on the gauge fix and turn the vacuum pump off. Remove the pump from the deceitful advantage hose, and attach the can tap in its put. Snap a can of refrigerant into the can tap and close the lock on the tap. Attach the vacuum pump to the chicken work hose on the gauge fix. Plug the pump into an electrical Issue and turn it on. Extensive both valves (burgundy and unhappy knobs) on the gauge establish, and grant the vacuum pump to pull vacuum for one generation. This insures that all moisture has been removed from the manner. The A/C system on the Silverado holds 2.5 lbs. of refrigerant. Each can is Twelve oz. so the system holds just under three cans of refrigerant. When the first can is empty, close the blue service valve and add the remaining cans to the system.
4. Turn off the engine and allow the pressures displayed on the gauges to stabilize. Turn the knobs, on the hoses attached to the vehicles service valves, counter-clockwise and pull up on the quick release ring to release the hoses from the vehicle. Test drive the truck to verify the repairs.