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Posted on Jun 30, 2010
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I need the location of PCV valve on my 2004 GMC 2500 6.0 engine.

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Ned White

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  • GMC Master 2,100 Answers
  • Posted on Jun 30, 2010
Ned  White
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Most pcv valves are stuck in the rocker cover, with a hose attached to it. There isn't much to them, a rattling ball valve, about 2 inches long, 1/2 wide.

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I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

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Does 2004 GMC Sierra have a PVC Value?

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PCV is an acronym for positive crankcase ventilation.
The PCV Valve is a very common replacement item on many engines today. It's called the PCV valve for short but it stands for Positive Crankcase Ventilation. When your engine spins it many times collects pressure in the crankcase area, and it has to escape to relieve pressure on the motors bearings and seals. The PCV valve and PCV system is typically located near the intake manifold, and many times comes right off of the valve cover. It is very simple to replace the PCV valve, and you can do so by simply unscrewing it, and screwing in the new valve. We recommend using a little bit of teflon tape or paste to make sure you do not get any oil leaks.
Example (see picture below): 2,4 ltr. Audi V6 engine (BDV, AMM)
b0e80b6.png It's not difficult to replace PCV valve!

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