If you are talking about the indoor evaporator coil being replaced when you replace the outdoor condensing unit than yes. Reason being the two are a matched pair. Most of the time the older indoor A coils are fit with an accurator or cap tubes as a metering device for the refirgerant. The newer condensing units are based on the A coil with a TXV metering device. In short a mismatched system will never perfom as it is intended. However many contractors still try to sell only condenser replacements.
You should clean the AC coils outside at least once a year to ensure your air conditioning unit works efficiently.
To prevent ice buildup on your AC coils, regularly clean and replace air filters, ensure proper airflow around the unit, and schedule annual maintenance with a professional HVAC technician.
Follow the ignition coils from the spark plugs to the distributor then follow the wires from there to the transisitor unit. it should be marked with an X
The coils on the outside AC unit may be frozen due to restricted airflow, low refrigerant levels, or a malfunctioning fan.
A window AC unit can freeze up due to restricted airflow, low refrigerant levels, or dirty coils. To prevent this, regularly clean or replace air filters, ensure proper ventilation around the unit, and schedule routine maintenance to check refrigerant levels and clean coils.
To properly maintain and clean an AC window unit for optimal performance, you should regularly clean or replace the filter, clean the coils and fins, check for any leaks or blockages in the unit, and ensure proper drainage. Additionally, scheduling professional maintenance at least once a year can help keep the unit running efficiently.
To properly clean the coils on an AC unit for optimal performance and efficiency, first turn off the power to the unit. Then, use a soft brush or vacuum to remove any debris or dirt from the coils. Next, spray the coils with a coil cleaner and let it sit for a few minutes. Finally, rinse the coils with water and allow them to dry completely before turning the power back on. Regular maintenance like this can help your AC unit run efficiently.
The tension pulley should have a bolt that holds it on, allowing you to replace the unit.
AC coils freeze when there is a lack of airflow or when the refrigerant levels are too low. To prevent this issue, it is important to regularly clean and replace air filters, ensure proper airflow around the unit, and have the system inspected and maintained by a professional regularly.
If it works properly, never.
either replace the sending unit or the dash gauge, that is if there is electricity getting to the sending unit.
Clean your indoor & outdoor coils