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evaporator frozen over
trouble code. evaporator sensor to computer problems. ep=evaporator
The evaporator drain allows condensation from the ac unit to drain. When the drain clogs up water will go into the passenger floor instead.
The expansion valve is usually in the evaporator and simply opens or closes to allow the appropriate flow of refrigerant into the coil. The theory is that the expansion valve makes your AC run more efficiently.
It is preferable to locate the OD unit above the ID unit to ensure that the oil does not accumulate in the evaporator over a period of time.
Take out entire dash. Remove a/c unit, disasemble unit. Pull out evap. core.
The AC evaporator is located in the lower Dash.
a starved evaporator.
By removing the lowerr dash on the passenger side. This is a tough job.
AC condenser, in front of radiator. AC compressor, bolted to the engine, driven by accessory belt. AC evaporator, behind the dash assembly, inside HVAC box.
Before you remove the evaporator core from a 1998 Pontiac Bonneville you need to have the air pressure discharged. You will then need to remove the AC unit. You will need to remove some screws before you can remove the evaporator.