dodgethis Posted July 23, 2013 Report Share Posted July 23, 2013 Hey on a 3100SFI in a (98) Lumina, Facing the drivers side, and under the coil pack isn't that a vacuum return line going into the back side of the Upper Manifold? The car was too hot to push the gromet back inside, but naturally the engine was bucking as if the PCV had popped out. Has that happened to many of you? Is it just that easy for it to pop out like that? Rob Quote Link to comment Share on other sites More sharing options...
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