'85 K20 350ci died out on the road not getting fuel to carb, replaced fuel pump and now not getting fuel to pump

[klarster]

Best way to clean off the sock then would be an air enema into the main line to blast that crap off of there? Or would it be best to drop the tank, remove sender and clean manually?

 

[klarster]

In that case I sure am glad I got the Delphi, no idea what was in there before...

 

[Bextreme04]

Best way to clean off the sock then would be an air enema into the main line to blast that crap off of there? Or would it be best to drop the tank, remove sender and clean manually?

Blasting it with air will likely just blow the sock completely off, which will let it work initially but will also allow the pump to suck up a bunch of junk. If it is bad enough in the tank to plug up the sock, it is worth dropping the tank and replacing the sock while cleaning out the tank as well. Replace all the rubber fuel line above the tank while you are at it. It could also be a bad rubber hose or a bad switching valve that is not allowing fuel to get pulled through the sender.

 

[klarster]

I'll be dropping the tank Saturday most likely, looks like that'll be the warmest day this week. Will be updating on what I find!

 

[klarster]

Update/Conclusion! Dropped the tank Saturday and found ALL THE CRUD. Looks like when previous owner replaced the sending unit he had tunnel vision and just wanted to get to the task at hand. Sediment galore. Ended up doing a complete empty and clean job, and replaced all the fuel lines while I was at it. Sucker's back on the road again with that intoxicating true-dual 350 cackle! Many, many thanks to those who helped lend their knowledge, experience and suggestions to get me back rolling again!

 

[Grit dog]

For always wanting a square body since I was a teenager, I sure don't seem to have done much for research into common issues cause I'm not familiar with this pickup sock.
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I wouldn't worry about this ^. It's not so much common issues to 80's Chevy trucks as common issues with old cars and trucks.
Sounds like you got er fixed though. Nice work.

 

[klarster]

An excellent point. Good thing I know where to come next time I get in a tough spot!