Either snake it or chemical drain cleaner.
Either plunge it or run a plumbers snake through to rid the blockage.
insert a high pressure sprayer to wash out dirt.
Unplug clogged evaporator drain plug.
Remove the drain hose from underneath the car on passenger side. usedcompressed air . www.lextechautomotivellc.com
where are the drain holes on the rear part of the sunroof and how do i clear them
locate the drain (its usually on under the hood on the firewall), stick a piece of mechanics wire into the drain and wiggle it around until it becomes unclogged.
Just unplug it and leave it on. To make it drain faster, run programs that make the computer have to work harder, like windows media player.
Crawl under the vehicle and find the drain line. Use a small blunt object like a pencil to unclog it.
Probably not, depends on where the clog is at and how the dishwasher drain is connected. I wouldn't chance it, but the worst that will happen is the sink will fill with the water from the dishwasher.
Water Jetting ,snaking depending on what the stoppage is
To unplug the evaporator drain on a 2004 Chevrolet Colorado, locate the drain tube, which is usually found under the vehicle near the firewall. Use a flexible wire or a thin brush to gently clear any debris or blockage within the tube. You can also pour a small amount of water through the drain to ensure it flows freely. If the blockage persists, consider using compressed air to blow out any obstructions.
Unplug evaporator drain with a flexible wire or low pressure air