Question about 2004 Audi A4
How difficult is it to change the PCV valve? 2004 Audi A4
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)
It's not difficult to replace PCV valve!
Posted on Sep 24, 2009
Not difficult unless you own an A3 3.2, then you have to replace the entire valve cover and gasket. The cover has been cast with the housing for the valve integral with the cover. You will need to remove the A/C compressor, the alternator, the intake manifold and related components to take the valve cover off and access the hoses. Do not even try this at home unless you are well trained in engine repair...
Posted on Feb 23, 2013
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Posted on Jan 02, 2017
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