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

Breaking the A/C cycling switch connector will allow the refrigerant pressure sensor, and compressor switch to be removed, removing the O-ring, to service them. Install a new O-ring lubricated with PAG Refrigerant Compressor Oil (R-134a Systems) and do the process in reverse to finish the installation.

OEM Mercury Sable 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 Sable 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:
- 2000-2005 Mercury Sable | GS, LS, LS Premium, Platinum Edition | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
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Mercury Sable 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:
- 2008-2009 Mercury Sable | Base, Premier | 6 Cyl 3.5 L GAS
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Mercury Sable Pressure Switch Part Number: F5CZ-19D594-AA
Product Specifications
- Other Name: Switch - Air Conditioning; A/C Safety & Compressor Cut-Out Switch; HVAC Pressure & Trinary Switch.; Switch - Air Conditioning System - Vacuum
- Replaces: F3DZ-19D594-A, F4CZ-19D594-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996-1999 Mercury Sable | G, GS, LS, LS Premium | 6 Cyl 3.0 L GAS

Mercury Sable A/C Compressor Cut-Out Switches

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

Pressure Switch
8C3Z-19D594-A
Q: How to Service the A/C Compressor Cut-Out Switches and Refrigerant Pressure Sensor on Mercury Sable?
A: Breaking the A/C cycling switch connector will allow the refrigerant pressure sensor, and compressor switch to be removed, removing the O-ring, to service them. Install a new O-ring lubricated with PAG Refrigerant Compressor Oil (R-134a Systems) and do the process in reverse to finish the installation.