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Why is my PCV valve rattling so much?

Why is my PCV valve rattling so much?

If you remove it and keep the vac hose connected to your intake manifold (check valve or no checkvalve) you WILL most likley end up ingesting oil into your intake since you’ll be pulling more then 20 inches of mercury worth of vac on the crankcase. Not to mention your AIC motor on your TB will be trying to make up for the massive vacuum leak.

What are the symptoms of a stuck PCV valve?

Symptoms of a Stuck Open PCV Valve 1 Engine misfires at idle 2 Lean air-fuel mixture 3 Presence of engine oil in PCV valve or hose 4 Increased oil consumption 5 Hard engine start 6 Rough engine idle 7 Possibly black smoke 8 Oil fouled spark plugs More …

When to run check valve on Dodge SRT?

Ben@AGP clearly says you should only run a check valve if you’ve removed the PCV. If you have the crankcase hooked up to the intake manifold you should ALWAYS have a PCV valve connected. for the reasons in my above post.

When is it time to replace the PCV valve?

Most PCV valves contain a spring-loaded device. Once you remove the valve, shake it with your hand. You’ll hear a rattle. If you don’t, it is time to replace the valve. Even if the valve rattles, if your engine is experiencing one or more of the bad PCV valve symptoms described above, it’s a good idea to replace the valve.

What kind of noise does a failed PCV valve make?

A failed PCV valve may produce a low moaning, whining, or whistling sound. The source of the noise can be tested by blocking the vacuum source to the valve and listening for changes to the noise.

How can I tell if my PCV valve is bad?

The source of the noise can be tested by blocking the vacuum source to the valve and listening for changes to the noise. A bad PCV valve, can in some vehicles, cause oil to blow onto the air filter element. If you see a dirty or oily spot near to the PCV inlet hose, then this is an indication of a bad PCV valve.

Most PCV valves contain a spring-loaded device. Once you remove the valve, shake it with your hand. You’ll hear a rattle. If you don’t, it is time to replace the valve. Even if the valve rattles, if your engine is experiencing one or more of the bad PCV valve symptoms described above, it’s a good idea to replace the valve.

What causes the pressure in a PCV valve?

Pressure is created when the moving parts of the engine churn the oil that lubricates the automotive engine. Valve guides and piston rings also produce pressure in the crankshaft due to slight leakage during their operation. Regulating this pressure is just one of the tasks of the PCV system.

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Ruth Doyle