The ac is blowing hot air but is full of r134a refrigerant. Was told I need to replace the orifice tube and vacuum the hose, but do not know where the orifice tube is at. Please help.
The orifice tube is located inside the liquid line where it connects to the condenser. This line is located on the passenger side of the car and has the low side charge port on it. this line unscrews right where the orifice tube is located... Hope this helps
SOURCE: My AC blows hot air out the driver's side and cold
My 02 Century has dual temp controls . One for driver for passenger. Make sure you don't have the dual climate enabled and just set for heat on your side and AC on the passengers
SOURCE: how to add refrigerants? To a 2000 buick lesabre
look for the fitting that is the smaller of the two and is attached to the line that is the larger of the two, this is the "low" fill side, add 2 cans of r134a freon each can is one pound the system empty holds 2 3/4 pounds of freon thats 2 3/4 cans.
I would buy 1 can of leak detector/freon combo and one can of dye/freon combo, if it takes more add a small amount of a third can that has an oil mixture in with the freon that would complete your systems needs the cheapest and fastest way possible.
If you want it done to the book then you need to have a certified A/C man vacumn pump down the system, replace the reciever drier, add freon and oil to fill the system and then check for leaks.
Happy Motoring!!
SOURCE: heater core replacement
OK, Ifound the problem with mine. Dont unplug your air dryer. I checked the 2 hoses coming out from the heater core and still one was hot and the other not hot. The top one comes from the radiator fill tank and the bottom one comes out of the core and goes around to the front and into the water pump. I disconnected both close to the core and could runwater through both directions so upon further examination, I disconnected the hose at the water pump and no water flow. The hose was plugged up with something. Once I cleared it with a hanger and reconnected it I had water flowing through the core and great heat. Hope this is your problem too as it is aneasy fix
SOURCE: 1999 Buick Regal drivers side AC blows hot
The battery change and the problem, may coindental or maybe not, your air regulator door actuator is probably stripped our just worn out, the regulator is attached to the damper that controls the drivers side air over the two coils. shouldn't be to hard to locate, but will require laying on your back and removing the under dash panel. it will probably be a small rectangular shaped module mount to the duct at a damper door! i hope this helps, if you want exact instructions they can be found at alldatadiy.com for 20 bucks. Merry Christmas!
SOURCE: Buick allure 2005 heater blow warm air, have to
The heater radiator had to be flushed twice at the dealership. No problem since then.
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