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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
When should a PCV valve be replaced on a 2005 Chevy Impala LS?
it shoulb be replaced about every 35,000 miles but some might be rivited into the value cover
Were is the PCV valve on a 1992 f150 with the 5.0 in it?
where is the pcv valve on a 1992 f150 with 5.0 liter
What causes a car back wheel to lean in?
Bent wheel, possible loose wheel bearings, camber could be seriously off, sub-frame cracked, or something else like a traction arm is broken. Take it to an alignment shop and have it thoroughly inspected. This could be very dangerous.
Trouble code P0404 means: EGR Position Sensor Signal Performance
Where is the Swirl Control Solenoid Valve on a 2002 Nissan Pathfinder?
swirl valve is located cloce to throttle body has two vacuum tubes
Where is the PVC located on 03 duramax?
The PCV valve is mounted beside of the alternator on an 03 Duramax. The valve has two hoses, one for each valve cover.
Where is the PCV Valve on a 1995 Buick LeSabre 3.8L engine?
Buick Lesabre 1995 PCV valve location: Face the engine. Lift straight up - to remove the fancy plastic clip-on dust cover for the top of the engine. It has 4 plastic (2 on front and 2 on the back) C snaps that attach by pressing down from the top. As you remove this dust cover you will notice a flattened tab on the left side of the cover between the power steering and altenator. Keep your eye on this tab as you move the dust cover to the left and lift it off. The tab is part of the cover for the PCV valve. The tab does not move. The pcv valve cover has a spring inside so you will need to push down on the center of the cap while you turn the cap counter clock-wise. The PCV cap appears to have fan-style vents in the center of it and two extentions that look similar to small wings. Hold onto the wings as you push down and turn counter-clockwise. The cap will spring up as you release your pressure and the PCV may be attached to the spring. If it is attached, remove the PCV and the O Ring from the PCV. If it does not come out with the spring get out a pair of needle nose and remove it and the O Ring. Place the O Ring onto the new PCV and put the head of the PCV into the spring. Put the assembly back into the PCV holder. put the CAP back on and place the wings closer to the top and bottom of the tabs that are used to hold the cap in place. Push down and turn clock-wise. replace the plastic clip-on dust cover in reverse order.
Where is pcv valve on 1997 dodge 1500 located?
it should be on eather the driver side or pasenger side valve cover
Where is the PCV valve on a 1990 cutlass supreme 3 1 engine?
It's on the rear valve cover. The easiest way to change it is to pull off the alternator. It's also the easiest way to change the rear spark plugs and wires.
Where is the PCV valve on a 1994 Thunderbird?
on top of valve cover protruding from the connecting hose
Where is the PCV valve located on a 1995 Mercury Mystique 4 cylinder 4WD?
left rear of engine behind oil separator
Where is the PCV valve located on a 1991 Chevy Caprice Classic?
pcv valve is located on right side rocker cover viewed from front of car hood open just behind alternator with pipe going to throttle body d.cop
Where is the PCV valve located on a 2005 dodge ram with a 5.7 hemi?
On the intake manifold, passengers side, by the throttle body. It screws in like a little oil cap. There is no hose attached.
Where is the pcv valve on 96 Camry?
It is on the engine cover next to the spark wires mount. It is near the distributor and has a short PCV hose connecting it. Also look at autozone.com for a picture of the valve and you will recognize it. It is a bit hard to pull it out. You might need a tool to help.
Where is PVC valve located on 2003 Chevrolet Impala LS 3.8?
where is the PVC valve on chevelet impala 2003
What are the functions of engine crankcase?
ØProtecting the crankshaft and connecting rods from foreign objects.
ØKeeping the motor oil contained, usually air- tight or nearly air- tight.
ØProviding the rigid structure with which to join the engine to the transmission.
ØIn some cases, constituting part of the frame of the vehicle.
Where is the pcv valve located on a 1998 Chevy Metro with a 1.3 liter 4 cylinder engine?
center of valve cover at rear of motor
Where is the pcv located on a 1995 ford f 150 5.8L engine?
Look On The Passenger Side Valve Cover. It Should Be Back Top Of Pan Near The Firewall. It Is A Little Hard To Get At, But You Can Do It. Just Take A Bit Of Time. Good Luck.
How much crankcase oil does a 1999 Honda cr125 take?
I don't know, but I have the exact same question!
I believe it should be 650 ml. If in doubt there should be a little screw in the side of the clutch side cover. It is about 1/3 of the way up towards the middle of the cover. Take screw out and fill oil until it starts to come out of hole.
Where is the PCV valve located on a 2000 Ford Ranger 2.5 4-cylinder?
Look on the back of your valve cover and you should find it.
How does a burnt exhaust valve affect emissions?
You would get high CO's (unburnt fuel) @ idle and @ high speed, Depending on how bad and how many vales are leaking. It would fail most smog tests. You could do a compression test to see whitch cylinder is low. Hope this helps, Ben Parker, San Jose, Ca.
What does the pcv valve and egr valve do?
PCV, stands for positive crankcase ventilation. Since the piston rings cannot stop every bit of combustion gases from escaping past them into the crankcase(oil pan) area, there needs to be some way to safely vent that pressure, so that it wont build up and blow the seals out of the engine. The PCV valve does this, by applying a controlled amount of vacuum to give the combustion gases a way out and keep them from building up. EGR stands for exaust gas recirculation. The EGR valve opens at the appropriate time, usually on moderate acceleration to allow exaust gas to flow back into the combustion process through the intake manifold. It is a common myth that the reason is to "re-burn" exaust gas to use any remaining unburned fuel and improve gas mileage. Anybody who gives that explanation as to why they have an EGR valve, has no idea what he/she is talking about and probably should not be working on cars. Here is the real reason there is an EGR valve: Under certain conditions, esp when the engine is hot, fuel may actually burn too quickly, and thus not burn completely. In fact, spark knock or "ping" is caused by "pre-ignition detonation," the fuel actually ignites before the spark plug sparks. Pre-ignition detonation will cause an incomplete fuel burn, loss of power, bad gas mileage, and could even damage the engine internally. Under certain conditions you may want to slow the burn of the fuel, so that it is a more complete burn, and is at the right time. That is why you introduce exaust gases into the combustion process, to slow the fuel combustion just a little, so you can get a more complete burn, improve fuel efficiency, and reduce pre-ignition detonation. Here is a side point about pre-ignition detonation. Octane actually slows the burn process as well. That is how high octane fuels work, and why they reduce ping. The higher the octane, the slower and more completely the fuel burns. But with high octane fuels, you may want to consider where you are driving. If you are planning a trip to, or live in the mountains where the air is thinner, and there is less oxygen, you probably don't need a higher octane. The reason is that, with less oxygen, the combustion will be slowed in the engine already. Why slow it down any more? I hope this information helps.
Where is the PCV on a 1996 Pontiac Bonneville?
Ok, This part is pretty hidden. On the series II engine. It is under the plastic cover. Take this cover off. Now on the passenger side is a black box with wires coming out of it and a numerical code and a bar code on this box. Now there is a twist clip on there. Compress this clip and then twist. The PCV valve is under this clip. Be careful not to break this black box. IT IS ATTACHED!!!! If this box is broken, the check engine light will come on. So be careful! Good luck!!
