PCV Valve on 5VZ-fe V6

Discussion in '4Runners' started by Stgo, Apr 13, 2019.

  1. Apr 13, 2019 at 10:55 AM
    #1
    Stgo

    Stgo [OP] New Member

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    The purpose of the PCV valve is to exhaust pressures built up within the crankcase of an engine. Replace this valve at least every 100K miles, because if it stops up this internal pressure will find its way out elsewhere...mainly the valve cover gaskets.
     
    GQ7227 likes this.
  2. Apr 13, 2019 at 11:04 AM
    #2
    Stgo

    Stgo [OP] New Member

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    If it fits use it! 5VZ's fit many Toyotas.
     

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