SOURCE: how to replace valve cover gasket 1998 chevy malibu
The first step is to remove all the parts that are in the way of you being able to remove the valve covers. (Ex.: air intake, loose wires etc.) Then you will need to remove your valve covers (using basic tools) and be very careful to not let anything get on your lifters, which your valve covers protect. Once you have the valve covers off compare the new gaskets to make sure they are the right size. Then remove the old gasket and replace with the new one using a high temp gasket sealant (available at any auto parts store) to attach the gasket to the valve covers. Then tighten down snug and check for leaks after replaced.
SOURCE: How do I replace the PCV valve on my 2004 Chevy
It isn't servicable. It is part of the front valve cover. It never needs to the serviced or replaced. Just make sure you change your oil when you are supposed to. Parts stores will sell you one for the older style valve covers. If you really wanted one you could put an old sytle left side valve cover on the car so you could replace it when you feel you need to. (The valve cover in front of the car is the left one.)
SOURCE: 2006 chevy malibu.... where is the egr valve
If it's a US car then there is not an egr on the 2.2L engine. I think some of the mexican and oversea's engines had them, but not here in the US.
SOURCE: Chevy 2002 Malibu ERG valve
Symptoms of a bad EGR valve are usually stumbling idle or the engine stalling when the car is warm (normal operating temperature). Find the EGR valve and locate the vacuum line attached to it. Start the engine cold and wait for it to warm up. When the engine starts to stumble, pull off the vacuum line. If the EGR is bad, the engine idle will stabilize and no longer stumble.
SOURCE: LOCATION OF VAPOR CANISTER PURGE
Your best to have a Repair Shop properly diagnose the
entire EVAP System
You may not need a Purge Valve
They will use an EVAP Smoke Machine and
Scanner to do the job correctly
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