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