How to Service the PCV Valve on Lincoln MKZ?

The servicing of the Positive Crankcase Ventilation (PCV) valve should start by disconnecting the battery ground cable together with the electrical connector attached to the valve. Move on to detach the PCV hose from the valve. The installation of a fresh PCV valve becomes necessary because taking the valve out of the valve cover can harm its locking mechanism. There are two requirements for new valve installation: apply clean engine oil to the O-ring seal and verify correct positioning of the electrical connector versus the wiring harness connection. Incorrect placement demands complete valve removal. The rotation of the PCV valve counterclockwise allows its removal before disposal. The installation procedure requires following the opposite steps of removal.

OEM Lincoln MKZ PCV Valve

Position Crank Ventilation Valve

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4 PCV Valves found

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Lincoln MKZ PCV Valve
Part Number: 8S4Z-6A666-A
$39.73 MSRP: $63.09
You Save: $23.36 (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:
- 2013-2020 Lincoln MKZ | Black Label Hybrid, Hybrid, Premiere Hybrid, Reserve Hybrid, Reserve I Hybrid, Reserve II Hybrid, Select Hybrid | 4 Cyl 2.0 L FULL HYBRID EV-GAS (FHEV)
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Lincoln MKZ PCV Valve
Part Number: 2X4Z-6A666-AA
$8.64 MSRP: $13.73
You Save: $5.09 (38%)
Ships in 1 Business Day
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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:
- 2013-2016 Lincoln MKZ | Base, Black Label | 6 Cyl 3.7 L GAS
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Lincoln MKZ PCV Valve
Part Number: 2C5Z-6A666-AA
$78.43 MSRP: $131.67
You Save: $53.24 (41%)
Ships in 1 Business Day
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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:
- 2007-2012 Lincoln MKZ | Base | 6 Cyl 3.5 L GAS
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Lincoln MKZ 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:
- 2017-2020 Lincoln MKZ | Black Label, Reserve, Reserve II, Select | 6 Cyl 3.0 L GAS

Lincoln MKZ PCV Valve

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Lincoln MKZ PCV Valve Parts Questions & Experts Answers

PCV Valve
2C5Z-6A666-AA
Q: How to Service the PCV Valve on Lincoln MKZ?
A: The servicing of the Positive Crankcase Ventilation (PCV) valve should start by disconnecting the battery ground cable together with the electrical connector attached to the valve. Move on to detach the PCV hose from the valve. The installation of a fresh PCV valve becomes necessary because taking the valve out of the valve cover can harm its locking mechanism. There are two requirements for new valve installation: apply clean engine oil to the O-ring seal and verify correct positioning of the electrical connector versus the wiring harness connection. Incorrect placement demands complete valve removal. The rotation of the PCV valve counterclockwise allows its removal before disposal. The installation procedure requires following the opposite steps of removal.