What happens when you change the PCV valve?
You may be able to clean out the valve to get it functioning again, or you may need to replace it. A clogged hose or PCV system or inoperative valve can increase oil consumption because pressure builds when the vapors in the crankcase aren’t allowed to flow into the combustion chambers.
Is a PCV valve easy to change?
Replacing a PCV valve is a very easy repair to do. Often this task requires no tools at all, especially if the valve is held in place with only the rubber grommet. For PCV valves that screw into the base, you can use a crescent or adjustable wrench to hold the base to unscrew the valve if needed.
Can I replace a PCV valve myself?
Now you’re deciding whether to visit your trusted mechanic or replace the PCV valve yourself. Replacing a PCV valve isn’t difficult, but accessing it can be a pain in the neck, depending on your vehicle. You can consult your owner’s or repair manual for specifics.
How long does it take to replace a PCV valve?
Overall, if you have an older car, the PCV valves are often easy to replace and should only take around 10 minutes, while on newer cars, there could be a replacement time of over 3 hours if it’s located under the intake. Sometimes, you have to remove the intake to access the PCV valve; luckily, this is not that common.
How do you change the PCV valve on a Pontiac?
Use a pair of pliers to loosen the locking nut from the PCV valve. Once it is loose, continue unscrewing it with your hand until it is out. Slide the locking nut off and detach the PCV valve from the hose. The PCV valve is easily removed by pulling it out. Insert the new PCV valve into the hose. Make sure it is secure.
What to do if you have a bad PCV valve?
If you have a bad PCV valve, PCV valve replacement could eliminate the problems listed above. The PCV valve is usually mounted in a grommet on a valve cover, at the end of a hose or tube. One way to check whether a PCV valve is functioning is to remove it from the hose or tube and shake it.
Where is the PCV valve on a car?
For most vehicles, this is a project you can do yourself. First, locate the PCV valve. In our example the valve is located on the passenger side oil fill tube. Now disconnect the vent hose that goes to the intake. Next, twist the valve counterclockwise to release it from the oil fill tube.