Solve the problem permanently- - - -replace that elderly cutoff with a 1/4 turn ball valve. It will outlast the rest of the truck, and it won't leak. Lots of them on Ebay!
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!