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Crankcases and PCV Valves
Basically, a crankcase is the casing for the crankshaft of an internal combustion engine. Combustion produces pressure within the crankcase. Positive crankcase ventilation (PCV) valves regulate the vapor pressure within the engine and recycle it back into the engine.
1,344 Questions
A bad PCV valve can cause the engine to smoke. The valve is easy to change in most engines to correct the problem.
What cause PCV valve to blow out?
It is usually caused by excessive blow by out of the crankcase. Blow by is usually caused by worn/cracked rigs or a hole in the piston. The fastest test to see if yo haveworn rings is to hold on the brake put it in drive and give i gas while holding on the brake and see if you have smoke ot of wherete pcv vale should be. if you do it proably means you nead a rebuild or a new motor. I know because i just had this problem with a 454.
Where are the EGR valve and PCV valves on a 92 Buick Regal 3.1 engine?
If the engine is smothe at lower speeds it probably is the tcc in the torque convertor. The egr and pcv both are on the upper engine behind the throtle body on your 3.8 engine.
Where is the PCV valve on a 2000 Oldsmobile Intrigue?
I have a 3.5L engine. Remove the silver plastic cover plate over the engine (2 nuts up front, hinge in back). Facing the engine, it is in the front right corner under the cover you just removed.
Where is the PCV valve on a 1999 Chevy Silverado?
The PCV valve is found in the valve cover on the passenger side.
Where is the PCV valve on a 1993 Ford Thunderbird 3.8L?
It's on the passenger (right) side of the engine compartment near the firewall on the outside of the valve cover. It actually goes into the valve cover and has one rubber hose attached to it.
Where is the PCV valve on a 1987 Nissan hardbody Pickup Z24i engine?
On a 1987 Nissan Hardbody Pickup, the PCV valve is located between the alternator and the oil filter. The valve can be seen when the oil filter has been removed.
Remove battery and look toward engine from battery space use flashlight you see hose
Where is the location of the PCV valve in a 2003 dodge ram 1500 4.7?
Back side of oil filler housing.
Where is the PCV valve on a 1994 F150 with a 4.9 6cyl?
The PCV valve on the 4.9L I6 engine is nearly impossible to see. It is located at the top of the valve cover near the rear of the engine forward a few inches from the center of the firewall. It is easier to see and reach it if you use a step stool.
Where can you locate the PCV valve on a 94 integra?
its located on the intake manifold close to where it connects to head There's another PCV located under that.
Where is the pcv valve at on a 2001 Ford ZX2?
just right of the exhaust manifold. little black rubber pipe/elbow connects to it.
Where is the PCV valve on a 1998 Nissan Altima?
it is located on the engine (passenger side) right next to the idle control valve it is a pain in the but to get there and even worse to take it out, and it is connected to a little hose that comes from the engine, but to get acces to it you need to take de idle valve out first, otherwise you will not be able to the pcv plus that you might want to take the oil filter as well that way you'll have more room to work,i spent a lot of time trying to fins it on my car and i didn't find any answer it took me a while to get it out good luck...
What kind of oil do you put in a 2001 Yamaha blaster crankcase?
stock yamalube 4 stroke oil for the transmission only
Location of PCV on 2004 Ford Freestar with 3.9L engine?
On the 3.9L engine, you can find the PCV valve on the left front valve cover. Just follow your PCV hose which you can gently pull off the top of the valve, and you will be able to give the valve a slight turn to pop out.
Is there a PCV valve on a 1999 Toyota solara?
Yes, both the 6 cylinder and 4 cylinder engines have PCV (Positive Crankcase Ventilation) valves.
Pcv valve location for f 250 5.8?
The f250 5.8 PCV valve is located on the right valve cover. It is at the back, behind the intake manifold.
How do you change a PCV valve on a 2005 dodge Dakota?
The valve is in the oil filler tube. Remove the air hose from the air box to the intake. Take off the breather hose and the air box. Now you should be able to remove the PCV valve hose and the valve itself.
What controls the opening and closing of the valves in an engine?
push rods connected to the camshaft
Where is the PCV valve for a Hyundai accent 16 liter?
your pcv valve is directly in front of the intake manifold silver unit that goes between the intake manifold and the throttle body it will have a connector coming from it. what this does it stops the engine from stalling and balances the idle. so as long as the check engine light is not on dont worry about it.
Where is the PCV valve located on a 1994 Toyota truck?
This Valve is located exacly under the intake manifold,u can see it if u look really closely with a flash light,but the only way to change this valve is by removing the intake manifold..which is a real headache.
