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Q: How do you connect a vacuum pump to vacuum an ac system?
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How do you vacuum Chevy Blazer air conditioning?

Pulling a vacuum on an ac system requires a vacuum pump or venturi pump with the correct type connector. The pump is connected to the low side ac port, and the vacuum could take an hour to pull depending on the pump size.


How do you bleed the air out of a 1993 Lumina Z34 cooling system?

You'll need a vacuum pump that is used by AC service technicians.


Do you have to use a vacuum on quick connect on a new ac unit?

Yes


Where is the drain plug for the air conditioner on a 1994 Chevy Z28 Camaro or which plug is used to vacuum out the system?

No AC systems have drain plugs. You do have two valves a low side and high side valve. To vacuum the system you have to evacuate the system first. Then attach a Manifold AC service gauge set to the valves and use a vacuum pump. This really should be done by someone who is familiar with AC service.


Top line of your ac hose had a leak replaced how to bleed system so it can take R134A?

You have to use a vacuum pump to totally purge system or moisture and contaminents


How do you recharge AC to a F-150 2000?

If you have done all of the repairs needed then you would get a set of a/c gauges and connect the blue one to the low side and the red one to the high side and connect the yellow one to a vacuum pump. Vacuum the system for about 1 hour and let it sit for 1 hour to see if it will hold. Then you will be adding the correct amount of both freon and oil back to the system slowly while watching the gauges.


How do you recharge ac 2000 f 150?

If you have done all of the repairs needed then you would get a set of a/c gauges and connect the blue one to the low side and the red one to the high side and connect the yellow one to a vacuum pump. Vacuum the system for about 1 hour and let it sit for 1 hour to see if it will hold. Then you will be adding the correct amount of both freon and oil back to the system slowly while watching the gauges.


Where are the vacuum lines on a 98 dodge diesel for heat control system?

They start at the vacuum pump on the driver side of the engine, go up to the firewall, across to the pass side, and then inside the dash at the ac line area.


What is the name of the ac unit hose for a BMW 323i?

The name of the AC hose for a BMW 323i is the AC vacuum hose. The hose can also be called the AC pump pressure hose.


Where can I find a free vacuum diagram for a 1977 Mercury Marquis?

Which vacuum diagram The Underhood for the engine or the vacuum for the interior /AC system?


How do you convert the AC on a 1993 suburban?

You will have to flush the hoses with a solvent and compressed air, install low and high side conversion fittings, evacuate the system with a vacuum pump, and then recharge the system with oil charge and R134.


Your ac controller goes from inside air to outside air for no reason and was told its the one way vacuum control valve 2005 Chevy classic help its hot?

The AC vacuum control valve on a 2005 Chevy Classic is located on top of the AC pump. Look for a small pipe that is shaped like an "L", that plugs into the AC pump.