Product & HowTo Info | | pcv valve

PCV Valve Operation:

A vacuum-controlled metering device that regulates the flow of crankcase fumes in the positive crankcase ventilation system by allowing more flow at high speed than at low speed, and acts as a system shutoff in case of engine backfire to prevent an explosion in the crankcase.

How To Instructions:

Inspect - Check for obvious problems.

Test - Give it an in-depth diagnosis.

Replace - Out with the old, in with the new.

Automotive Glossary
Check out one of the largest dictionaries of automotive terms
on the internet.

AutoZoneProduct & HowTo Info | | pcv valve

My Vehicles

Find a Store

My Cart

SAVE 15% ON SHIP TO HOME ORDERS of $75 or more!

PCV Valve

Returning Customers

Create an Account

My Zone

AutoZoneProduct &amp; HowTo Info | | pcv valve