you can also check the rubber o rings to make sure they've been put on properly. I've seen a few that the o rings were installed inside out from the factory. If you remove them you'll notice one side is a bit flatter than the other, the flatter side should be on the inside and the rounded side facing out to seal properly. Oh ya, another thing is to make sure your OCC coils are screwed down fairly tight on the deck if you are using them instead of the RBA deck. If they aren't tight enough (don't over tighten though), then juice can seep down under the coil and leak out of the airflow holes.