How to Service the PCV Valve on Lincoln MKX?

The first service step for Positive Crankcase Ventilation (PCV) valve requires disconnecting the electrical connector of PCV valve followed by removing the PCV hose. The removal of a PCV valve from its base position needs replacement because the seal locking mechanism could become damaged. The electrical connector required correct positioning before installation so verify proper wiring attachment; failure to do this might need new valve replacement. First apply clean engine oil to O-ring seals before proper setup. Also check the wiring connector positioning if wrong positioning can only be fixed by installing a new valve. You need to rotate the PCV valve counterclockwise as you pull it out from the valve cover until you can discard the previous valve component. Completing the process will involve performing all steps in exact order of their removal.

OEM Lincoln MKX PCV Valve

Position Crank Ventilation Valve

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3 PCV Valves found

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Lincoln MKX PCV Valve
Part Number: 2X4Z-6A666-AA
$8.64 MSRP: $13.73
You Save: $5.09 (38%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2008-2018 Lincoln MKX | Base, Black Label, Premiere, Reserve, Select | 6 Cyl 3.5 L GAS, 6 Cyl 3.7 L GAS
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Lincoln MKX PCV Valve
Part Number: 2C5Z-6A666-AA
$78.43 MSRP: $131.67
You Save: $53.24 (41%)
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Manufacturer Note: With Electric Heated PCV
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2007 Lincoln MKX | Base | 6 Cyl 3.5 L GAS
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Lincoln MKX PCV Valve
Part Number: KR3Z-6A666-A
$7.60 MSRP: $12.25
You Save: $4.65 (38%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Valve Assembly; Crankcase Vent Valve
- Replaces: AA5Z-6A666-D, EV-290
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2016-2018 Lincoln MKX | Black Label, Premiere, Reserve, Select | 6 Cyl 2.7 L GAS

Lincoln MKX PCV Valve

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Lincoln MKX PCV Valve Parts Questions & Experts Answers

PCV Valve
2C5Z-6A666-AA
Q: How to Service the PCV Valve on Lincoln MKX?
A: The first service step for Positive Crankcase Ventilation (PCV) valve requires disconnecting the electrical connector of PCV valve followed by removing the PCV hose. The removal of a PCV valve from its base position needs replacement because the seal locking mechanism could become damaged. The electrical connector required correct positioning before installation so verify proper wiring attachment; failure to do this might need new valve replacement. First apply clean engine oil to O-ring seals before proper setup. Also check the wiring connector positioning if wrong positioning can only be fixed by installing a new valve. You need to rotate the PCV valve counterclockwise as you pull it out from the valve cover until you can discard the previous valve component. Completing the process will involve performing all steps in exact order of their removal.