Is the evaporator core separately serviceable, and how to replace it on Mercury Grand Marquis?

The core of evaporator can not be serviced in isolation and should be substituted with housing assembly. In case of a leak, test it and then remove it. It is done by removing the old housing, removing the components and replacing them with a new one, and then putting in the new evaporator core component housing.

Is the evaporator core separately serviceable, and what steps should be taken when repairing the refrigerant system on Mercury Grand Marquis?

Its housing assembly will have to replace the evaporator core. The suction accumulator just requires changing when it is contaminated or damaged. Whenever one suspects a leak then test before elimination. Take the housing off, take the parts and replace them into the new housing and place the new evaporator core housing back in place.

OEM Mercury Grand Marquis Evaporator

A/C Evaporator Core

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11 Evaporators found

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Mercury Grand Marquis Evaporator Core Part Number: F1VZ-19860-BA
$115.46 MSRP: $159.73
You Save: $44.27 (28%)
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Product Specifications
- Other Name: Core - Air Conditioning Evaporator; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator
- Replaces: F1VY-19860-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-1997 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Evaporator Core Part Number: 3W7Z-19860-AA
$93.44 MSRP: $153.75
You Save: $60.31 (40%)
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Product Specifications
- Other Name: Core - Air Conditioning Evaporator; A/C Evaporator Core; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator
- Manufacturer Note: Quick disconnect at the 19c836
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2011 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Evaporator Core Part Number: FOVY19860A
$117.54 MSRP: $162.60
You Save: $45.06 (28%)
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Product Specifications
- Other Name: Core Assembly - A/C Evaporator; A/C Evaporator Core Repair Kit; A/C Evaporator Core; Core - Air Conditioning Evaporator; A/C Evaporator; Evaporator
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1986-1991 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 5.0 L GAS, 8 Cyl 5.8 L GAS
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Mercury Grand Marquis Evaporator Core Part Number: 7W7Z-19850-A
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Housing Assembly; A/C Evaporator
- Replaces: 6W7Z-19850-CA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2011 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Evaporator Core, Driver Side Part Number: 1W1Z-19850-CA
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core Repair Kit; A/C Evaporator; Housing Assembly; Case Assembly; Case; Housing
- Manufacturer Note: FROM 5/1/01
- Position: Driver Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1992-2002 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Evaporator Core Part Number: EOVY19860A
Product Specifications
- Other Name: Core - Air Conditioning; A/C Evaporator Core Repair Kit; A/C Evaporator; Core - Air Conditioning Evaporator
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1985 Mercury Grand Marquis | Base, Colony Park, LS | 8 Cyl 5.0 L GAS
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Mercury Grand Marquis Evaporator Core Part Number: 7W7Z-19850-B
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Housing Assembly; A/C Evaporator
- Replaces: 6W7Z-19850-DA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2011 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L FLEX, 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Evaporator Assembly Part Number: 5W7Z-19850-CA
Product Specifications
- Other Name: A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Housing Assembly; A/C Evaporator
- Manufacturer Note: For vehicles built before 12/06/04 also order 5W7Z-19A786-AA tube, 4W7Z-19A706-A resistor & 3U2Z-14S411-ZEA pigtail., w/ manual A/C, FROM 12/06/2004
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, Ultimate Edition | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Housing Assembly Part Number: 1W7Z-19850-DA
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core; Evaporator
- Manufacturer Note: WITH ATC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Housing Assembly Part Number: 1W7Z-19850-CA
Product Specifications
- Other Name: Evaporator Assembly; A/C Evaporator Core; Evaporator
- Manufacturer Note: w/manual A/C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2002 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Evaporator Assembly Part Number: 3W7Z-19850-DA
Product Specifications
- Other Name: A/C Evaporator Core and Case Assembly; A/C Evaporator Core Repair Kit; Housing Assembly; A/C Evaporator
- Manufacturer Note: For vehicles built before 2/18/05 also order 5W7Z-19A786-AA., with ATC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2005 Mercury Grand Marquis | GS, GSL, Limited Edition, LS, LSE, Ultimate Edition | 8 Cyl 4.6 L GAS

Mercury Grand Marquis Evaporator

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Mercury Grand Marquis Evaporator Parts and Q&A

Evaporator Core
3W7Z-19860-AA
Q: Is the evaporator core separately serviceable, and how to replace it on Mercury Grand Marquis?
A: The core of evaporator can not be serviced in isolation and should be substituted with housing assembly. In case of a leak, test it and then remove it. It is done by removing the old housing, removing the components and replacing them with a new one, and then putting in the new evaporator core component housing.
Housing Assembly
1W7Z-19850-CA
Q: Is the evaporator core separately serviceable, and what steps should be taken when repairing the refrigerant system on Mercury Grand Marquis?
A: Its housing assembly will have to replace the evaporator core. The suction accumulator just requires changing when it is contaminated or damaged. Whenever one suspects a leak then test before elimination. Take the housing off, take the parts and replace them into the new housing and place the new evaporator core housing back in place.