How do you flush out an Auto AC system?
Use flush liquid or solvent and shop air to clean out the hoses, evaporator core, and condenser. The market supports several brands and types of solvent and/or flushing liquids. The condenser will have the most debris of any component and may not be flushable. If this is the case, you’ll probably need to replace it.
When do I need to evacuate the AC system in my car?
With a vacuum pump connected to both, low and high ac sides pull a deep vacuum for at least 20 minutes. A vacuum of about 500 microns or 29.92 hg gauge pressure is needed for removing any moisture that may have entered the system along with the non-condensable gases while it was open.
What should I do when my AC condenser is removed?
Before the AC condenser is removed from the vehicle the AC lines must be removed. Wear eye protection and preferably a face shield when removing refrigerant lines in case any residual pressure remains. Keep in mind the system contains (or contained) not just refrigerant but also refrigerant oil which could spatter in your face.
What to do if your a / C system goes bad?
Call Auto A/C Repair LLC. and will come to you with the right tools, knowledge and experience. We�ll recover the entire refrigerant charge in a safe and environmentally clean way, pull a good deep vacuum and recharge your system with the right amount of refrigerant as per manufacturer specifications.
Do you have to unplug the AC system after removing an engine?
This eliminates the need to evacuate and recharge the AC system after the engine is replaced. However, when removing an engine a lot of electrical connectors have to be unplugged.
How to remove a pressure switch from an AC unit?
Part 2 of 3: Remove the A/C pressure switch 1 Disconnect the negative battery cable. Disconnect the negative battery cable with a wrench of ratchet. Then set it aside. 2 Remove the switch electrical connector. 3 Remove the switch. Loose the switch with a socket or wrench, then unscrew it.
What’s the best way to fix an AC unit?
Fixing AC takes a lot of expertise and expensive equipment – you need to just bite the bullet and bring it back in. Explain that the AC was perfect before the engine replacement. The normal procedure when removing an engine is to unbolt the compressor from the engine and set it aside without disconnecting the refrigerant hoses.
Before the AC condenser is removed from the vehicle the AC lines must be removed. Wear eye protection and preferably a face shield when removing refrigerant lines in case any residual pressure remains. Keep in mind the system contains (or contained) not just refrigerant but also refrigerant oil which could spatter in your face.