How to Service the Refrigerant Pressure Sensor and A/C Compressor Cut-Out Switches on Mercury Mariner?

In order to service the refrigerant pressure sensor and A/C cycling switch, unplug the electrical connector on the switch. take out the switch and O-ring seal. Installation of the new switch should be tightened at 3 Nm (27 lb-in) and a new O-ring seal must be used. Lastly, Backtrack the steps that have been done to install it.

OEM Mercury Mariner A/C Compressor Cut-Out Switches

HVAC Cut-Out Switch

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3 A/C Compressor Cut-Out Switches found

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Mercury Mariner Pressure Switch Part Number: 8C3Z-19D594-A
$31.65 MSRP: $50.25
You Save: $18.60 (38%)
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Product Specifications
- Other Name: Switch - Air Conditioning System; A/C Refrigerant Pressure Sensor; A/C Clutch Cycle Switch; HVAC Switch; Cut-Off Valve; High Pressure Cut-Off Switch; Switch
- Replaces: YF1Z-19D594-AA, 4C2Z-19D594-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2005-2007 Mercury Mariner | Base, Convenience, Hybrid, Luxury, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mercury Mariner Pressure Switch, Front Part Number: 6F9Z-19D594-AA
$81.96 MSRP: $132.24
You Save: $50.28 (39%)
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Product Specifications
- Other Name: Switch - A/C System - Vacuum; A/C Safety, Compressor, Trinary Switches; HVAC Pressure, System Switches; A/C Switch; Cut-Off Valve; High Pressure Cut-Off Switch; Clutch Cycling Switch; Pressure Switch
- Position: Front
- Replaces: F6CZ-19D594-CB, 6L2Z-19D594-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2009-2011 Mercury Mariner | Base, Premier | 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Mariner Pressure Switch Part Number: 8L8Z-19D594-A
$26.15 MSRP: $42.20
You Save: $16.05 (39%)
ADD TO CART
Product Specifications
- Other Name: Switch – AC System Vacuum; Refrigerant Pressure Sensor; Compressor Cut-Out & Trinary HVAC Switch; Switch Assembly; High Pressure Cut-Off Switch
- Manufacturer Note: Switch - Air Conditioning Pressure Cut-Off
- Replaces: XS7Z-19D594-AA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2011 Mercury Mariner | Base, Hybrid, Premier | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV), 6 Cyl 3.0 L GAS

Mercury Mariner A/C Compressor Cut-Out Switches

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Mercury Mariner A/C Compressor Cut-Out Switches Parts and Q&A

Pressure Switch
8C3Z-19D594-A
Q: How to Service the Refrigerant Pressure Sensor and A/C Compressor Cut-Out Switches on Mercury Mariner?
A: In order to service the refrigerant pressure sensor and A/C cycling switch, unplug the electrical connector on the switch. take out the switch and O-ring seal. Installation of the new switch should be tightened at 3 Nm (27 lb-in) and a new O-ring seal must be used. Lastly, Backtrack the steps that have been done to install it.