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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

What formula is used to determine the power consumed by a compressor's crankcase heater?

The formula used to determine the power consumed by a compressor's crankcase heater is the overall volume times the amount of heat generated. This allows a person to purchase the appropriate heater for their application.

May someone show me a diagram or pic of where the PCV valve is located on a 1985 Honda Prelude?

The PCV valve on your car is mounted on the valve cover and has a rubber hose that is connected to the fresh air intake.

Where is the PCV valve in a 2001 Kia Sephia?

The PVC valve is located at the top left of the engine, it runs parallel to the ground. When looking at it all you will see is a hose going into the engine with a hose clamp open the hose clamp with a pair of pliers pull the hose back, and there is the PVC Valve you may need to use a flat tip screw driver to get it out. To install the new one all you do is push it in, it should go with little effort then put the hose back on. Doing this will aid to lessen your fuel consumption.

Where is the PCV valve located on a 2002 Explorer Sport Trac?

This part runs along the top backside of the engine from one side to the other. It is a long black plastic piece that you can only get from the dealerships. Do not waste your time buying the PCV valve at an auto warehouse because it is NOT what you need. I cannot remember the cost but it was a bit pricey for what you get. If it is clogged though you will notice a huge difference... I know I did. $30 +/-

Where is yher PCV valve on a QX4?

look for it around the egr valve & throttle body. based on the diagram i got, it is mounted on the intake manifold (top of engine; driver side). good luck!

How many miles will a 18 wheeler get per tank of diesel fuel?

That depends on the size of the fuel tanks, MPG, terrain, driver controls such as idle time, whether the truck is loaded or empty. Some trucks weight up to as much as 80,000 pounds fully loaded. An empty flat bed truck weighs about 30,000 pounds. 18 wheelers can average 5-7 MPG depending on the variables and can travel an average 1000 miles or more before refueling.

Where is the PCV valve located on a 1999 Mercury Mystique?

OK - just replaced mine. Stand facing the front of the car. Go to the right side and find the air filter assembly. You may want to get a light to see better. The PCV is about "2 o'clock" from the air filter under a bunch of stuff. It's tight, but look for the general shape of the new PCV valve you are using the replace. Bottom part fits into an approx. 5/8" hose and then there's another smaller hose on the side (keep the one from the old valve as you will need it with the new one). Just pull on the old valve to get it out from both connections and replace with the new one. Took 10 minutes TOPS and is very easy.

Answer

The PCV on a FOUR CYLINDER is located on the block in the CENTER of the front. It is hard to find and it is on a metal tube that is BEHIND the thermostat. The thermostat housing MUST BE REMOVED AND THE BOLT THAT HOLDS THE TUBE TO THE HEAD MUST BE REMOVED, after that, pull on the tube and the PCV is on the end which inserts into its place on the block. I found this myself after asking three so-called mechanics.

How can the inlet and exhaust valve be identified on an assembled engine?

On a fully assembled engine, the intake and exhaust valves will not be visible. If the cylinder head is removed from the engine, the valves will then be visible.

The intake valve faces are usually larger than those of the exhaust valves, and can be easily distinguished visually.

What is the firing order for a Dodge Mitsubishi 3.0 V6?

The firing order is 1-2-3-4-5-6, but the order on the cap is different. The wires go on the cap in this order 1-3-5-4-6-2, clockwise.

The firing order is 1-2-3-4-5-6, but the order on the cap is different. The wires go on the cap in this order 1-3-5-4-6-2, clockwise.

How you hook up PCV valve on 350 chevy with holley 650 carb?

there should be a large vacuum source on the base of the carb. if not you'll need to tee off the one going to the power brake booster.

How can the inlet and exhaust valve be identify?

Exhaust valve usually larger and sometimes can feel thru port. They usually line up also.

What does a PCV valve contro in ford trucks?

PCV stands for positive crankcase ventilation. It prevents an over pressure condition in your engines crankcase that could cause oil to be forced past the pistin rings into the firing chamnber. If your PCV is clogged you will probably see increased oil useage and on some vehicles gas mileage may be affected as well. On cars prior to PCV there was an open tube that vented excess pressure over the side. With PCV the pressure is vented into the intake manifold and used as part of the fuel/air mixture.

What does P0404 OBD code mean?

Trouble code P0404 means:Exhaust gas recirculation circuit range/performance

05 grand prix gt PCV valve location?

The 2005 Grand Prix Base model and GT models have 3.8L's and the GXP models have the 5.3L V8. I know the location on the 3.8L.

- Take the engine cover off

- Look at the very top of the motor, the intake manifold.

- There are fuel rails running over the top of this manifold.

- There is a bolt holding 2 of the rails in place right in the middle.

- To the bottom right of this bolt is the PCV valve.

- It has two bolts holding it in and no lines running to it.