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POSITIVE CRANKCASE VENTILATION (PCV) Toyota 4Runner III

Engine Controls - System & Component Testing - V6 & V8 ~164 words

POSITIVE CRANKCASE VENTILATION (PCV)

  1. Avalon, Camry, Camry Solara, Land Cruiser & Sienna Remove PCV valve. See «PCV VALVE LOCATION»(ref-91239-S08376552982001030600000) table.
  2. Apply air pressure to PCV valve at cylinder head side of PCV valve. Ensure air flows easily through PCV valve. Apply air pressure to PCV valve at intake manifold side of PCV valve. Ensure air flows through PCV valve with some resistance. Replace PCV valve if valve does not function as described.
  1. Tacoma & 4Runner Remove PCV valve. See «PCV VALVE LOCATION»(ref-91239-S08376552982001030600000) table.
  2. Apply air pressure to PCV valve at intake manifold side of PCV valve. Ensure air flows through PCV valve with some resistance.
  3. Apply air pressure to PCV valve at intake manifold side of PCV valve while using small screwdriver to push upward on valve located inside PCV valve, at cylinder head side of PCV valve. Ensure air flows through PCV valve with strong resistance. Replace PCV valve if valve does not function as described.
ApplicationLocation
Avalon, Camry, Camry Solara & SiennaOn Firewall Side Valve Cover At Timing Belt End Of Engine
Land CruiserAt Front Of Driver's Side Valve Cover, Below Oil Fill Cap
Tacoma & 4RunnerFront Of Passenger's Side Valve Cover

PCV VALVE LOCATION