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The tube and fin assembly located inside the evaporator housing, where
refrigerant fluid picks up heat when it changes into a vapor.
The details for replacing cars evaporator core is as follows :---
Use a hacksaw or a hot knife to cut the case. Reprinted with the permission of Ford Motor Company.
Split case halves to remove evaporator. Reprinted with the permission of Ford Motor Company.
The tube and fin assembly located inside the evaporator housing, where
refrigerant fluid picks up heat when it changes into a vapor.
A defective evaporator produces an insufficient supply of cool air. This symptom is often the result of a leak in the evaporator core. Other causes include:
- Dirt- or debris-plugged core; clean core
- Cracked or broken case; replace and/or caulk the case
- Leaking seal or O-ring; replace the seal and/or O-ring.
The details for replacing cars evaporator core is as follows :---
The following procedure mentioned below is a general removal procedure of A/C evaporator core. The evaporator is removed differently from different vehicles.
For example, a 1994 Ford Taurus/Mercury Sable instructs you to, "Using a hot knife, cut the top of the air conditioning evaporator housing between the raised outline."
But a 1993 Ford Probe manual says to simply remove the blower motor and assembly screws before separating the case halves and removing the evaporator.
The following procedure assumes that access to the evaporator has been determined.
- Recover the refrigerant.
- Drain the radiator if the heater hose(s) has to be removed to gain access.
- Remove the heater hose(s), if necessary.
- Remove any wiring harness, heat shields, brackets, covers, and braces that may restrict access to the evaporator core.
- Remove the liquid line at the thermostatic expansion valve (TXV) or fixed orifice tube (FOT).
- Remove the suction line at the evaporator or accumulator outlet.
- Gain access to the evaporator core as outlined in the service manual.
- Lift the evaporator from the vehicle.
- Drain the oil from the evaporator into a calibrated cup.
- For replacement, reverse the preceding procedure. First, replace the oil with the same amount and type you previously drained.
But if you know the basic procedure,then you can understand its replacing system in your car/truck.
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