Loose hose into valve cover

[MHW100]

I was going to install a catch can and notice that the blue fitting going into the cover floats around an bit and isn’t tight. Is this ok?

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[Zombo]

Yes. If you can't pull it off without activating the retaining clip, it is fine.

 

[Paul McWhiskey]

Not sure if the cam covers and the hose barb are different on a 350, but on my GT the hose fitting is tight in the cam cover. Just happen to have that disconnected as I am installing GT 500 covers.

 

[MHW100]

Yes. If you can't pull it off without activating the retaining clip, it is fine.

Yes. If you can't pull it off without activating the retaining clip, it is fine.

The black hose is tight on the blue piece. It’s the blue piece that is loose that goes inside the cover. Are you saying the loose piece is fine?

 

[CharlesC]

The black hose is tight on the blue piece. It’s the blue piece that is loose that goes inside the cover. Are you saying the loose piece is fine?

Mine is the same, blue fitting is loser and has some play.

 

[MHW100]

Thanks all. Dropped into ford and they confirmed the play in it.

 

[526 HRSE]

You're installing a catch can that catches oil. If the fitting was not sealing, what would be your first sign? The truth is, if that tube and the fact that this car is just now getting a catch can is why you have a "gen2" motor in your car.

 

[MHW100]

You're installing a catch can that catches oil. If the fitting was not sealing, what would be your first sign? The truth is, if that tube and the fact that this car is just now getting a catch can is why you have a "gen2" motor in your car.

No idea what the former owner did or did not do. I’ve owned the car for a handful of weeks now.

 

[526 HRSE]

No idea what the former owner did or did not do. I’ve owned the car for a handful of weeks now.

You're putting on a catch can so i'm assuming there wasn't one. Without it, oil gets recycled back into the crankcase. The oil and air mixture gets very frothy. Stout beer frothy. Next go around, you now have frothy oil getting gummed up in the low tension rings, causing them to stick. The next time, this causes more blow by and the cycle continues until you're losing a quart of oil every 200 miles.

After all this happens, the gen1 motor explodes and there's never been an admission of "user error" ever recorded. lol

Of course, i'm just rambling. Everything i said is false.

 

[Zombo]

Not correct. Oily crankcase vapors get pulled into the intake tract by engine vacuum and are combusted in the cylinders. The catch can filters a good deal of the oil out of these crankcase vapors to minimize oil ingestion.

If you follow the plumbing, it is plain to see. The left side vent hose enables atmospheric air to enter the crankcase. The right side vent hose makes a connection between the crankcase and the engine side of the throttle (vacuum side). This vacuum is what pulls the atmospheric air thru the crankcase to ventilate. This is why only the right side catch can is needed - it's the one that sees oily crankcase vapor. A left side catch can sees clean, crankcase inlet air.

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