Where does PCV valve hook up to?
Where does PCV valve hook up to?
A hose connects the top of the PCV valve to a vacuum port on the throttle body, carburetor or intake manifold. This allows the vapors to be siphoned directly into the engine without gumming up the throttle body or carburetor.
What happens when the PCV valve hose is bad?
1. Poor fuel economy. If the PCV valve hose is clogged or has a leak, it may cause poor fuel economy. This is because the vacuum on the intake side of the cylinder head will not be able to properly signal the correct amount of fuel that needs to be fed into the engine and can result in a lean or rich engine condition.
Where does the positive crankcase ventilation valve hose go?
The Positive Crankcase Ventilation (PCV) valve hose transfers excess gasses from the crankcase to the PCV valve. From there, it is added to the intake manifold and used by the engine.
Is it OK to connect the PCV valve to the brake booster hose?
The PCV valve now has vacuum from the line of the brake booster. Is it ok to connect the PCV valve to the brake booster vacuum hose that goes inside the manifold? Do not “T” it into the power brake line,you will loose your power brakes. If the car is stock,there should be more then one large vacum fitting on the carb.
Do you need to hook up a PCV valve?
Do not share this vacuum source with anything else, as the pcv system will lower the vacuum at that fitting too much for the other stuff (brakes, vac advance, heater controls) to still work. If you put the fitting into a runner to one of the intake ports you can get a nasty idle misfire, so stay close to the carb.
1. Poor fuel economy. If the PCV valve hose is clogged or has a leak, it may cause poor fuel economy. This is because the vacuum on the intake side of the cylinder head will not be able to properly signal the correct amount of fuel that needs to be fed into the engine and can result in a lean or rich engine condition.
The Positive Crankcase Ventilation (PCV) valve hose transfers excess gasses from the crankcase to the PCV valve. From there, it is added to the intake manifold and used by the engine.
Do not share this vacuum source with anything else, as the pcv system will lower the vacuum at that fitting too much for the other stuff (brakes, vac advance, heater controls) to still work. If you put the fitting into a runner to one of the intake ports you can get a nasty idle misfire, so stay close to the carb.
Why does my PCV valve make a hissing noise?
4. Noise from the engine. If you hear a hissing sound from the engine, it is time to get your vehicle looked at. The PCV valve hose may have a leak in it, which is causing the hissing sound.
