Wondering where I can find a diagram including the other features of the gas tank. Dropped the tank today to replace the pump and sending assembly but accidentally snapped another part on the tank pictured and circled. I was wondering if anybody knew what this part is and what it does as well as where a diagram would be because I have been searching and can't find anything showing more than the tank and the sending assy unit. Thanks!

OVERALL IMAGE

THE PART IN QUESTION

 

That is the rollover valve. As I understand it, the only way you can get one for the plastic tank is with a new tank. Can you JB weld yours back together?

 

Yeah, I can't find any tanks that have that valve which is why it is so weird, It looks like a part that can spin off like the fuel pump. I can try using jb weld or something but I don't think I have the skrilla to buy a new tank right now I am assuming that it is not necessary to the engine running and I believe it would still be safe because it still has that one-way mechanism within it to prevent gas from dripping out in the case of a rollover. I just broke the spout, although it may throw codes I believe that fixing this is not necessary but it would still be nice to have it working because the line it connects to just runs to the evap canister. Opinions?

 

I would JB weld it back in place.

Metal tanks are for 4 doors and as I understand you can buy the valve from GM (probably fits something else later). Plastic are for 2-doors, and as I understand the valves are not available anymore.

Engine will run but will fail EVAP tests.

 

I can't figure out what the broken part is but "spout" sounds like maybe some shrink tube and a heat gun could help seal it up.