Genuine Chevrolet Silverado PCV Valve

Chevrolet Silverado PCV Valve Parts Questions & Answers

• Valve Asm,Pcv
  19303069
  Q: Where is the PCV valve located and how do you check and replace it for Chevrolet Avalanche,Silverado,Suburban,Tahoe and GMC Sierra,Yukon,Yukon Denali,Yukon XL?

  A: The PCV valve is located in the left valve cover. Pull the valve (with hose attached) from the rubber grommet in the cover while engine idle normal operating temperature. Put your finger over the valve opening. Check for a plugged hose, manifold port, or the valve itself if there's no vacuum at the valve. Replace any plugged or deteriorated hoses. Turn off the engine and shake it to check for rattling sounds from PCV valve. Replace it with a new one if it does not rattle. To replace pull out the one end of hose and note its seated position. When purchasing a replacement PCV valve, make sure it's for your particular vehicle and engine size. Compare the old valve with the new one to make sure they're the same. Push until seated into hole in end of hose . Inspect grommet for damage and hardening; replace as needed. Push securely into place pcv valve and line.