Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Pcv valve

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  #11  
Old 01-11-2020, 10:19 PM
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While you were doing all of that, did you ever see a pcv valve?
 
  #12  
Old 01-11-2020, 10:25 PM
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As far as my research shows, the pcv valve is built into the valve cover so no I didn't remove the valve cover yet. Should I? That is actually my main question.
 
  #13  
Old 01-13-2020, 10:02 AM
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The H3 does not have a PCV valve. The vent at the rear of the I5 valve cover can get goobered up, but it is not a valve.

Make sure all the intake manifold fasteners are tightened to the correct torque.
 
  #14  
Old 01-25-2020, 04:51 PM
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Thanks
 
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