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PCV Valve location?

Tiny
RADOBX
  • MEMBER
  • 2003 CHEVROLET TRAILBLAZER
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 123,000 MILES
Is There a PCV Valve, where is the location?
Tuesday, December 29th, 2009 AT 5:22 PM

3 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
It is in the valve cover, there is no PCV valve just a feed hose, here is a diagram to show you. Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed. The valve cover acts as the PCV.
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Tuesday, December 29th, 2009 AT 5:41 PM
Tiny
D_G123
  • MEMBER
  • 1 POST
  • 1992 CHEVROLET TRAILBLAZER
After starting very rough I noticed that the hose connecting the PCV valve to the carburetor was damaged so I replaced both the valve and the hose. When the new hose is connected the engine dies, when just the valve is in place with no hose the engine runs high but it runs OK.

I'm guessing this is a symptom of a larger problem.
The car is presently working but gas milage is horrible with that much air in the system.
Needles to say I need to figure this out.
Thanks
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Thursday, April 4th, 2019 AT 1:46 PM (Merged)
Tiny
CHEVY22
  • MECHANIC
  • 1,375 POSTS
Put the old pcv valve back in and see if it acts the same and get back to us

jim
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Thursday, April 4th, 2019 AT 1:46 PM (Merged)

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