PCV Valves

Important: To get started, click the blue "Filter Options" button to select your vehicle and then use the filters to narrow your options.

Important: To get started, select your vehicle on the left and then use the filters to narrow your options.

What is a PCV Valve?

A PCV Valve is a positive crankcase ventilation valve. It is an emission control device that is used to reroute unburned gases from the crankcase into the intake manifold and back into the engine to be burned.

What is the purpose of a PCV Valve?

The purpose of a PCV Valve is to reduce emissions and ensure that unburned gases do not escape from the crankcase into the atmosphere. The PCV Valve also helps to reduce oil consumption and prevent buildup of sludge in the engine.

How do I know if my PCV Valve is faulty?

There are a few symptoms you can look out for that indicate a faulty PCV Valve. These include: difficult starting, poor fuel economy, poor idle, and excess oil consumption. You can also visually inspect the PCV Valve by checking for any debris or oil in the intake manifold.

Can a faulty PCV Valve cause damage?

Yes, a faulty PCV Valve can cause damage to your engine. If the PCV Valve is not functioning properly, oil can accumulate in the crankcase and cause sludge buildup, which can eventually lead to engine failure.

How do I replace a PCV Valve?

Replacing a PCV Valve is relatively simple. First, locate the valve in the engine; it is usually located near the top of the valve cover. Next, remove the valve by gently pulling it out. Finally, insert the new valve into the engine and tighten it with a wrench. Here is a step-by-step guide:

  1. Locate the PCV Valve in the engine
  2. Gently pull out the valve
  3. Insert the new valve into the engine
  4. Tighten the valve with a wrench