Question about 1998 Pontiac Sunfire
Depending on your car, it may or may not have a pcv as in 1998, they were phased out. A car built in 1997 for 1998 may still have it where as a car built in 1998 for 1998 may not have it.
98 and older:
As you are standing in front of the car facing the engine, if you look down at the top of the engine it is in the back lefthand corner of the valve cover. You will see a weird looking 1-1 1/4 inch star shaped nut on a round thing that sort of slopes up out of and toward the back of the engine & has about a 4" tube sticking out connecting to another assembly. If it is on too tight to loosen with by hand use a channel locks pliers to loosen it. Then pull the tube out & the pcv valve will be inserted into the end of the tube. Simply replace & hand tighten the nut.
98 and newer:
later 2.2L OHV engines "have an oil/air seperator inside the valve rocker arm cover that requires no maintenance. 2.3L and 2.4L OHC engines are equipped with an oil/air seperator that is attached to the side of the block above the oil filter."
Posted on Sep 08, 2009
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Posted on Jan 02, 2017
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