How to service and repair the evaporator core in the auxiliary climate control system on Ford Excursion?

The service procedure for the evaporator core requires removal of the auxiliary climate control housing then the A/C evaporator core together with the thermostatic expansion valve (TXV). The exclusive purpose of F73Z-19577-AA (Motorcraft YN-9-A) refrigerant compressor oil is to provide lubrication for R-134a refrigerant system O-ring seals and this application should be limited to O-ring lubrication only. The A/C compressor should operate with PAG refrigerant compressor oil F7AZ-19D589-DA (Motorcraft YN-12-C) which satisfies Ford specification WSH-M1C231-B or an equivalent product. A suspected evaporator core leak needs a vacuum leak test to be performed before the evaporator removal. Correct assembly of the air conditioning and heater components followed by proper sealing creates efficient operation of the auxiliary climate control system where new O-ring seals need mineral oil lubrication during installation.

OEM Ford Excursion Evaporator

A/C Evaporator Core

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Ford Excursion Evaporator Assembly Part Number: 5C3Z-19B555-BA
$287.16 MSRP: $460.00
You Save: $172.84 (38%)
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Product Specifications
- Other Name: Evaporator And Housing Assembly; A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Heater Core; Case Assembly; A/C Evaporator
- Replaces: 1C3Z-19B555-EA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2005 Ford Excursion | Eddie Bauer, Limited, XLS, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL, 8 Cyl 7.3 L DIESEL
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Ford Excursion Evaporator Core, Front Part Number: 4C3Z-19860-AB
$130.74 MSRP: $215.13
You Save: $84.39 (40%)
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Product Specifications
- Other Name: Core - Air Conditioning Evaporator; A/C Evaporator Core, Front; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator
- Position: Front
- Replaces: F81Z-19860-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2005 Ford Excursion | Eddie Bauer, Limited, XLS, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL, 8 Cyl 7.3 L DIESEL
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Ford Excursion Evaporator Assembly Part Number: 5C3Z-19B555-L
Product Specifications
- Other Name: Evaporator And Housing Assembly; A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Heater Core; Case Assembly; A/C Evaporator
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Ford Excursion | Eddie Bauer, Limited, XLS, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL, 8 Cyl 7.3 L DIESEL
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Ford Excursion Evaporator Core, Rear Part Number: 4L1Z-19860-CA
Product Specifications
- Other Name: Core - Air Conditioning Evaporator; Rear A/C Evaporator Core Repair Kit.
- Position: Rear
- Replaces: XL1Z-19860-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2005 Ford Excursion | Eddie Bauer, Limited, XLS, XLT | 10 Cyl 6.8 L GAS, 8 Cyl 5.4 L GAS, 8 Cyl 6.0 L DIESEL, 8 Cyl 7.3 L DIESEL

Ford Excursion Evaporator

OEM Evaporator boasts unmatched quality. Each part goes through full quality checks. They adhere to Ford's official factory standards. These steps remove flaws and inconsistencies. So you can get Evaporator with long life and a perfect fit. Come to our website and find genuine Ford Excursion parts. We keep a wide inventory of OEM Excursion parts at the highly affordable prices. It's easy to search, compare, and pick what you need. You'll love the clear info and simple checkout. We offer top-rated customer service, and we reply fast. We also ship promptly to ensure your order arrives on time.

This component is known as the Evaporator and is a critical part of an A/C system of Ford Excursion vehicles is as that it is used to cool the air by the absorption of heat, turning the refrigerant from the liquid state to the vapor state. It is placed under the dash next to the heater core; the evaporator is constructed from aluminum with tubes and fins that transfer the heat from air to refrigerant. Similarly, you also get to continue evaporating the refrigerant and at the same time, it also works as a dehumider, pulling moisture out of the air and draining it out of the car. Some of the most frequent problems with evaporators are connected with their age, temperature fluctuations, or contamination; these factors cause such consequences as corrosion and unpleasant odours.

Ford Excursion Evaporator Parts and Q&A

Evaporator Assembly
5C3Z-19B555-BA
Q: How to service and repair the evaporator core in the auxiliary climate control system on Ford Excursion?
A:
The service procedure for the evaporator core requires removal of the auxiliary climate control housing then the A/C evaporator core together with the thermostatic expansion valve (TXV). The exclusive purpose of F73Z-19577-AA (Motorcraft YN-9-A) refrigerant compressor oil is to provide lubrication for R-134a refrigerant system O-ring seals and this application should be limited to O-ring lubrication only. The A/C compressor should operate with PAG refrigerant compressor oil F7AZ-19D589-DA (Motorcraft YN-12-C) which satisfies Ford specification WSH-M1C231-B or an equivalent product. A suspected evaporator core leak needs a vacuum leak test to be performed before the evaporator removal. Correct assembly of the air conditioning and heater components followed by proper sealing creates efficient operation of the auxiliary climate control system where new O-ring seals need mineral oil lubrication during installation.