Where is PCV Valve located? - Toyota Sienna Forum - siennachat.com
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post #1 of 3 (permalink) Old 05-20-2009, 05:54 PM Thread Starter
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Where is PCV Valve located?

Hello all,
I'm changing the pcv valve on my 1998 Sienna, but I can't seem to locate it? Do you Know where it is? Thanks!
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post #2 of 3 (permalink) Old 05-20-2009, 07:59 PM
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Re: Where is PCV Valve located?

With the hood open on the left side(as you are looking at the engine from the front). By the rad cap you will see 3 spark plug wires going to the back-side of the engine. Follow these wires back, just before you go under the intake manifold you will see the PCV in the valve cover (it will have a hose of the top which plug into the intake) the hose is "L" shaped. You will not have to undo the clamp in the PCV (i pulls off the barb easy).

Any problems let us know.

2004 CE
AIR LIFT '1000'

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post #3 of 3 (permalink) Old 06-07-2009, 12:14 PM
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Re: Where is PCV Valve located?

facing the engine, it is on your left hand side under the intake plenum. You can take it out if you have tiny hands, be careful not to brittle your old valve and drop the plastic pieces in.

98 Sienna LE 188K
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located, pcv, valve

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