check valve between gas tank and emissions, does anyone know where to find one, thanks James, zdonka@yahoo.com

come on guys, i do not have faith in my multi task check valve, nissan gave up years ago, help

Year?

Nissan part number?

Federal or California emissions?

Datsun 280Z Fuel Tank L28E (From Jul.-'76)

Nissan Parts, NISMO and Nissan Accessories - Courtesyparts.com

what are "emissions"??? I know what the gas tank is.

The part he's looking for is a check valve that lets in make-up air as you run the engine, but it won't let fuel vapors out when the tank warms. Part number 38 in the first link. It's not marked as NLA, so it may still be available.

Yeah, #38. That valve lets air move in both directions, but outflow occurs only with a good bit of pressure. I suspect the check valve could be removed, but I wouldn't swear to it. The only possible consequences I would anticipate would be fuel leakage through the bottom of the carbon canister (not likely) and the slow accumulation of water condensation in the gas tank (due to the tank breathing too much). If you drive your car enough to keep your gas fresh, water condensation should be carried away harmlessly with the ethanol. But too much condensation, and you'll have trouble with fuel separation and gunk/goo.

thanks for the info< the car is a 1978 280, i just i,ll keep trying, keeping it all original and do not trust the special check valve i have, tried to put #38 in basket but it didn't recognize part number, going to try calling, thanks again, james

My guess is that you're typing something wrong. It came up here, too. NissanParts.cc - Your #1 Source for OEM Parts and Accessories

Of course, if you give that part number to your local dealer, they might be able to beat the price when considering shipping.

thanks to all, got the part number and will go at it from their, thanks again, james