At least once a year is a good rule of thumb.
Unclog ac drain line car.
After physically removing any visible debris from the ac drain or drain pipe opening the most likely way the technician will clear the clogged drain is using suction from a shop vacuum or wet vac.
Wrap a cloth tightly around where they connect and hold it firmly with one hand to make a strong seal.
Insert the wire hook first into the ac drain tube.
Method 2 for large clogs in the ac drain line 1.
Do not force the wire but twist push and pull the wire within the drain tube until you are able to remove the clog.
The automotive air conditioning system consists of several components including a compressor evaporator condenser expansion valve orifice and receiver drier.
Most ac drain lines are located outside near the condenser unit.
Find your ac drain line.
Step 3 have a friend go to the outside ac unit by the drain line.
Connect the vacuum hose to the end of the drain line with a tightly wrapped cloth.
Step 3 unclog the drain line.
Reattach the drain tube to the engine.
Gain access to the ac drain line by removing the system s access cap or unscrewing the pvc pipe.
Put the tip of the vacuum hose to the end of the drain line so they overlap if possible.
For larger blockages use a wet vac or air compressor to remove the blockage.
Do this to prevent clogs in your air conditioning unit s drains.
Once you have the line open use the wet dry vacuum to remove the clog and any trapped water along with it.
Alternatively they might use a garden hose or plumbers snake to remove the clog.
This might clear any clogs located near the end of the drain line.
Get a water hose and take it to where the drain line is on the inside unit.
Any one of the components can fail or several can be affected by the same problem such as leaks or blockages.
Cleaning your drain line regularly is one of the best things you can do to prevent clogs.
Use a wet dry vacuum.
Blockages in the air condition system cause.
Push the stiff thin brush into the end of the drain line.
Allow water to drain from the tube after the clog has been removed.