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Super Mechanic
Super Mechanic, Master technician
Category: Chevy
Satisfied Customers: 17218
Experience:  29 yrs. exp., ASE master, cert. in G.M. electrical, a/c, susspension, brakes, electronic steering
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2003 Chevy Tahoe: the PCV Valve located..Litre

Customer Question

Where is the PCV Valve located on a 2003 Chevy Tahoe, 5.3 Litre? Is this difficult to change?
Submitted: 7 years ago.
Category: Chevy
Expert:  Super Mechanic replied 7 years ago.

Hello and welcome to Just, Super mechanic here. About your vehicle.



That is fairly easy to replace. Here is a location of it along with the steps to replace it. (#8)






Service and Repair

Positive Crankcase Ventilation (PCV) Valve Replacement

Removal Procedure

  1. Remove the engine sight shield, if required.








  1. Remove the Positive Crankcase Ventilation (PCV) tube (1) from the rocker arm cover.
  2. Remove the PCV valve (2) from the PCV tube (1).

Installation Procedure



  • Install a new PCV valve (2) to the PCV tube (1).
  • Install the PCV tube (1) to the rocker arm cover.
  • Install the engine Sight Shield, if required.