How to Service and Repair the PCV Valve on Mercury Mountaineer?

One should use the provided illustration along with the accompanying table to remove all parts before starting the service or repair of the Positive Crankcase Ventilation (PCV) Valve. Apply the reverse operation of removal when performing reinstallation. Replacement of the PCV valve is necessary whenever it needs removal from the valve cover since counterclockwise rotation unlocks the valve.

OEM Mercury Mountaineer PCV Valve

Position Crank Ventilation Valve

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5 PCV Valves found

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Mercury Mountaineer PCV Valve
Part Number: 1F1Z-6A666-AA
$14.31 MSRP: $22.73
You Save: $8.42 (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:
- 2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer PCV Valve
Part Number: 2L5Z-6A666-BA
$24.39 MSRP: $38.73
You Save: $14.34 (38%)
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Product Specifications
- Other Name: Kit - Crankcase Ventilation Valve; Crankcase Vent Valve
- Manufacturer Note: SOHC
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001-2003 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
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Mercury Mountaineer PCV Valve
Part Number: 4L2Z-6A666-BA
$24.30 MSRP: $38.58
You Save: $14.28 (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:
- 2004-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer PCV Valve
Part Number: E7TZ-6A666-A
Product Specifications
- Other Name: Valve Assembly - Regulating; Crankcase Vent Valve
- Manufacturer Note: *EV-140
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-2001 Mercury Mountaineer | Base | 8 Cyl 5.0 L GAS
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Mercury Mountaineer PCV Valve
Part Number: 3F2Z-6A666-AA
Product Specifications
- Other Name: Valve Assembly - Crankcase Ventilation; Crankcase Vent Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS

Mercury Mountaineer PCV Valve

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Mercury Mountaineer PCV Valve Parts Questions & Experts Answers

PCV Valve
4L2Z-6A666-BA
Q: How to Service and Repair the PCV Valve on Mercury Mountaineer?
A: One should use the provided illustration along with the accompanying table to remove all parts before starting the service or repair of the Positive Crankcase Ventilation (PCV) Valve. Apply the reverse operation of removal when performing reinstallation. Replacement of the PCV valve is necessary whenever it needs removal from the valve cover since counterclockwise rotation unlocks the valve.