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In my seemingly endless quest to replace parts stripped from my truck, I wanted to know what this assembly is. It's hanging off the intake manifold below the carb. It seems to have a valve on it.



The next time I get to photograph an M37 I *need* to get good shots of the carb linkage. I wish I had asked to remove the air cleaner on my last photo shoot.

It is one of two fording valves. When the truck is going to go underwater they are closed by a cable in the dash. Pressure builds in the crankcase so water won't get in. Also a plug goes in the bell housing and the exhaust and intake get extensions.

OH, ok. I don't need that part then since my AF truck has no fording kit.

One less thing to worry about! Thanks!

DO you have an extra hole in the dash near the throttle cable? That's where the fording cable goes. Mine did not have the valves either but the hole was still in the dash. I know my engine is not the original so I assumed that at some point when the engine was replaced that the fording equipment was removed. Part of what makes owning one of these trucks is figuring out stuff about them

Isn't that the PCV valve? If I'm not wrong (which I most likely am), the part under the top 90 degree bend is the valve itself. It is a bit hidden, since the clamp holding the fording cable is on it. The lower cable-operated more obvious valve is is a fording valve.

I'd go out and take a picture of mine (without fording valve), but (1) it's cold (2) it's dark (3) I'm too lazy

Check this out in the manuals before your PCV gives you PVCs! (Cardiology joke in there somewhere.)

Hehe....

Mine does have a third hole (the center one) because some bubba ruined the other holes and drilled a new one where the fording handle would be. I have some metal work to do on my dash, thanks to bubba.

I am getting my cardio chuckling my truck has ugly looking pipe "T" s where the fording valves used to be. At least they match

N1VSM wrote:Isn't that the PCV valve? If I'm not wrong (which I most likely am), the part under the top 90 degree bend is the valve itself. It is a bit hidden, since the clamp holding the fording cable is on it. The lower cable-operated more obvious valve is is a fording valve.

I'd go out and take a picture of mine (without fording valve), but (1) it's cold (2) it's dark (3) I'm too lazy

Check this out in the manuals before your PCV gives you PVCs! (Cardiology joke in there somewhere.)

Yes on the PCV valve behind the clamp. The fording valve is not needed so you will need a piece to replace it...........................What are you going to do with the valve??? It any good??

I did manage to get that assembly, less the fording valve. The engine I bought last week came with all that stuff, including the carb linkage.

The pic I showed in the OP was from a truck with a fording kit....