by being jolly fellow
To unclog the rear AC drain hose on a 1993 GMC Suburban, first locate the hose, which is typically found under the vehicle near the rear passenger side. Use a wet/dry vacuum to suction out any debris or blockage in the hose. If that doesn’t work, a flexible wire or a plumber's snake can be inserted gently into the hose to dislodge the clog. Finally, flush the hose with water to ensure it is clear and functioning properly.
If 1993 suburban rear ac not cold how can check the expansion valve?
The A/C is supposed to leak water. This is condensation, and is normal. Now if you are saying it is leaking inside the vehicle, then the drain line is clogged. Find the drain line and unclog it.
The amount of Freon that goes into a 1995 Chevy Suburban depends on whether or not their is just front AC or front and rear AC. If the Chevy Suburban on front AC only it takes 3.0 pounds of r134a Freon. If there is front and rear AC then it takes4.25 pounds of r134a Freon.
In a 2001 Chevrolet Suburban, the rear AC evaporator is typically located under the vehicle's rear passenger area, specifically beneath the floor or behind the rear passenger seats. Accessing it usually requires removing the rear interior panels and, in some cases, the carpet. This location allows the rear AC system to effectively cool the rear cabin area.
Blown fuse.
Most likely the rear expansion tube or valve is defective.
The rear AC in your 1996 GMC Suburban may not be blowing cold due to several reasons, including low refrigerant levels, a malfunctioning compressor, or a clogged cabin air filter. Additionally, leaks in the AC system or issues with the rear AC controls can also prevent proper cooling. It's best to have a professional inspect the system to diagnose and resolve the issue effectively.
The rear A/C unit has a drain tube. Sounds like it is clogged.
Your rear ac expansion valve is located on the right rear inside your distribution assembly. You will have to remove the inner right side interior to get to it. It is encased inside the black assembly along with the heater core.
It is Low on Freon. I have a Tahoe that does the excat thing when my freon gets low..the back will be freezing cold and the front not.
To replace the expansion valve on the rear AC of a 1992 GMC Suburban, first ensure the AC system is fully discharged to avoid refrigerant exposure. Remove the rear AC unit's cover and disconnect the refrigerant lines connected to the expansion valve. Remove any mounting screws or bolts securing the valve, then take out the old valve and install the new one, ensuring proper orientation and sealing. Finally, reconnect the refrigerant lines, reassemble the AC unit, and recharge the system with refrigerant.