how to remove@clean a 2007 ford f150. 4.6 liter v8 pcv valve

4.6L, 5.4L Ford PCV Valve Replacement

How to Replace the PCV Valve in a 4.6L operating room 5.4L V-8

The Positive Crankcase Ventilation system of rules vents gasoline fumes from the crankcase through the intake of the locomotive engine where they are disposed of through burning in the cylinder. Throttle fumes in the crankcase are a natural product of blow-by, which occurs to some degree in even a brand new engine since a perfect sealing wax between a Piston doughnut and cylinder is unrealizable to achieve. Engines used to outlet these gas fumes into the atmosphere through a small filtrate mounted on the valve cover(s). However, modern emission standards necessitate these exhaust fumes be disposed of in a more environmentally favorable manner, and thus the PCV system is utilized.

Applicative Model Days: 1997 - 2010 Ford F-150, 4.6L and 5.4L V-8
1997 - 2001 PCV valve: Motorcraft EV233 (Gerald Rudolph Ford F7UZ-6A666-Atomic number 20)
2002 - 2004 PCV valve: Motorcraft EV258 (Ford Madox Ford 2L3E-6A666-Alcoholics Anonymous)
2005 PCV valve: Motorcraft EV259 (Ford 4L2E-6A666-BA)
2006 - 2010 PCV valve: Motorcraft EV279 (Ford 6W72-6A666-AA)
Notice - there may be some crosswalk long time w/ esteem to split up numbers; always verify fitment.

The PCV valve is essentially a check valve that ensures the flow of crankcase exhaust only occurs from the crankcase to the intake manifold, and not the consumption manifold to the crankcase. Over time, the PCV valve tends to suit coked with oil and connected contaminates, hindering its operation. Symptoms of a faulty PCV valve include poor idle quality (rough idle), engine disinclination, loss of throttle response, excessive fuel in the locomotive anele, and decreased fire economy. The emplacemen and orientation of the PCV valve may vary by model class and engine. The following procedures are based along the 2002 to 2004 model years, but position the introduction for PCV valve switc along any 1997 to 2010 Newt V-8.

Click any thumbnail to view high resolution fullsize image w/ addition inside information (where applicable)

PCV valve location on passenger side valve cover

• Situate the PCV valve. This 2 valve 4.6L V-8 has the PCV inserted into the passenger side valve cover. Whatsoever 3 valve 5.4L engines testament have the PCV located on the driver side valve cover. The position is not universal for all 4.6L/5.4L engines. If you're having difficulty locating information technology, reference the replacement portion and trace all hoses directing into the intake manifold/plenum.

Removing PCV valve hose

• Remove the hosiery at the outlet of the PCV valve. This may have a hose clinch, operating theater information technology may plainly be a steal-fit style. Some models Crataegus oxycantha experience a heated PCV valve that requires an electrical connector constitute removed.

Removing PCV valve

• On this style (reference image), the PCV is removed by turning information technology counter clockwise 90 degrees with a wrench. Some PCV valves will be held in place aside 2 slender bolts (3 valve 5.4L V-8s, for example). Withdraw the bolts and pull down the PCV valve out. Some engines may also induce a PCV valve that simply slips into place.

New PCV valve installed

• Install the new PCV valve. Ensure that the valve is seated properly earlier continuing.

Reinstalled PCV valve hose

• Reinstall the PCV valve hosiery and, if applicable, the hose clamp and wiring rein connective.