I don't know why the vent would not open for the defrost, but it may be related to the fact that your heater core is blown. If your getting nothing but cold air out of the vents when the heat is on, your core is finished and if the core is finished then it is likely related to your vent not opening/switching. Something''s wrong with your heating either way.
near the fire wall where the heater hoses enter
To set the defrost function on a Litton Aire microwave, first press the "Defrost" button. Then, enter the weight of the food you want to defrost using the numeric keypad. Once the weight is set, press "Start" to begin the defrosting process. Make sure to check and turn the food halfway through for even defrosting.
Go to advanceautoparts.com and enter your vehicle's info. Search for heater core and it will show you a pic. Mike
If you mean using a window AC and installing it backwards so it rejects heat indoors, no and yes, no it does not initially, however as an AC unit has no defrost cycle, eventually the outdoor coil will frost and require defrosting, if this is not done, conceivably liquid refrigerant could enter the compressor and damage it.
To use the defrost function on the Sharp Carousel R-310AW microwave, first press the "Defrost" button on the control panel. Then, select the type of food you want to defrost (meat, poultry, or seafood) by using the corresponding button. Enter the weight of the food using the numeric keypad, and press "Start" to begin the defrosting process. The microwave will automatically adjust the time and power level for optimal defrosting.
In most cases no. The core flows both ways.
Re-prime the siphon
Yes, then you can control the robot and crash him into asteroids until the robot blows up
remove the four nuts in the engine bay on the heater box near where the heater core hoses enter. Drain coolant remove the hoses and pull the heater box out from the inside of the car. Remove clips holding heater core, than put your new one in.
To defrost in a Sharp Carousel microwave R-200BW, typically you would press the "Defrost" button, enter the weight of the food, and then press start. Follow any additional instructions displayed on the control panel during the defrosting process. It's important to refer to your microwave's specific user manual for detailed instructions as the process may vary.
Use the defrost button on your microwave and enter 600. On the display it should say 6.00 for 6 pounds of food. Then press start. Answer 2: Defrost in the refrigerator for about 48 hours.
In the dash. You can see 2 hoses to it enter your firewall. Right there.