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Originally Posted by Slo 5.0 Will you take a pic and draw on it where the pcv valve is? i dont know where it is. i have a 1990 5.0 |
The PCV is almost imposible to see unless you have the engine out of the car, have the intake manifold off, or you are a snail & have an eyeball on a stalk.
The PCV fits in a rubber grommet that plugs in the block at the rear of the lower intake manifold. The rubber grommet is notorious for not fitting tight or sealing like it should. It connects to the upper manifold by a 3/8" vacuum hose coming from the rear of the upper intake manifold. The easiest way to find it is to follow the hose with your hand and pull it out of the rubber grommet. Check the screen below the PCV while you have it & the grommet out if you can get to it.