How to check PCV system and PCV Valve on Lincoln Mark VII?

The PCV valve is in the valve cover. To maintain efficient operation of the PCV system check the PCV valve by starting the engine, disconnect the PCV hose from the air cleaner housing, and check for vacuum. Remove the valve and inspect the rubber grommet for damage. Also, inspect the hose for damage and ensure it fits snugly on the fittings.

What is the purpose of the Positive Crankcase Ventilation (PCV) system and pcv valve on Lincoln Mark VII?

Hydrocarbon emissions are reduced by the Positive Crankcase Ventilation (PCV) system which scavenges crankcase vapors, passes them through the air cleaner, and mixes them with blow-by gases before redirecting them back to the intake manifold through a PCV valve. The main components of the PCV system are, fresh air filtered inlet, vacuum hoses connecting these two components with the engine and EECS system, and PCV valve. The flow is restricted when there is high intake manifold vacuum so as to maintain idle quality, this is achieved by using PCV valve. When abnormal operating conditions occur, the system allows excessive amounts of blow-by gases to pass back into the air cleaner through the crankcase vent tube for normal combustion.

Genuine Lincoln Mark VII PCV Valve

Position Crank Ventilation Valve

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5 PCV Valves found

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Lincoln Mark VII Valve Assembly
Part Number: E5ZZ-6A666-A
$14.86 MSRP: $23.09
You Save: $8.23 (36%)
Product Specifications
- Other Name: Valve Assy; PCV Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1989 Lincoln Mark VII | 8 Cyl 5.0L | 4AT, 4AT AOD
View related parts
Lincoln Mark VII Valve Assy - Regulating
Part Number: F33Z-6A666-A
Product Specifications
- Other Name: PCV Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1988-1989 Lincoln Mark VII | 8 Cyl 5.0L | 4AT AOD
View related parts
Lincoln Mark VII Valve Assembly
Part Number: D9ZZ-6A666-A
Product Specifications
- Other Name: Valve Assy; PCV Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984-1992 Lincoln Mark VII | 8 Cyl 5.0L | 4AT, 4AT AOD
View related parts
Lincoln Mark VII Valve Assembly
Part Number: D9DZ-6A666-A
Product Specifications
- Other Name: Valve Assy; PCV Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1984 Lincoln Mark VII | 8 Cyl 5.0L | 4AT, 4AT AOD
View related parts
Lincoln Mark VII SHIELD - FUEL TUBES
Part Number: E7GZ6A666A
Product Specifications
- Other Name: PCV Valve
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1987-1989 Lincoln Mark VII | 8 Cyl 5.0L | 4AT AOD

Lincoln Mark VII PCV Valve

The PCV Valve in Lincoln Mark VII cars is an important emission controlling and performance boosting part of the vehicle. Thus, enabling the circulation of the combustion byproduct gases from the crankcase to the emission system of the engine the PCV Valve, helps safeguard the environment, and stops the formation of engine detrimental oil sludge. They are vacuum operated and its function is to minimize gas flow when the engine is at idle position in order to eliminate lean condition and allow for more gas flow when the vehicle's RPMs or when there is load on the engine. Besides, it has the functions of the flame arrester and helps to increase power by increasing compression. It has been understood that in order to avoid expensive repair bills, proper maintenance and inspection of the PCV Valve is a must to get the optimal of the vehicles.

We provide a wide range of Lincoln Mark VII PCV Valve at the best prices possible. If you need Lincoln Mark VII PCV Valve, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Lincoln Mark VII PCV Valve Parts Questions & Experts Answers

Valve Assy - Regulating
F33Z-6A666-A
Q: How to check PCV system and PCV Valve on Lincoln Mark VII?
A: The PCV valve is in the valve cover. To maintain efficient operation of the PCV system check the PCV valve by starting the engine, disconnect the PCV hose from the air cleaner housing, and check for vacuum. Remove the valve and inspect the rubber grommet for damage. Also, inspect the hose for damage and ensure it fits snugly on the fittings.
Valve Assy - Regulating
F33Z-6A666-A
Q: What is the purpose of the Positive Crankcase Ventilation (PCV) system and pcv valve on Lincoln Mark VII?
A: Hydrocarbon emissions are reduced by the Positive Crankcase Ventilation (PCV) system which scavenges crankcase vapors, passes them through the air cleaner, and mixes them with blow-by gases before redirecting them back to the intake manifold through a PCV valve. The main components of the PCV system are, fresh air filtered inlet, vacuum hoses connecting these two components with the engine and EECS system, and PCV valve. The flow is restricted when there is high intake manifold vacuum so as to maintain idle quality, this is achieved by using PCV valve. When abnormal operating conditions occur, the system allows excessive amounts of blow-by gases to pass back into the air cleaner through the crankcase vent tube for normal combustion.