formariz 11,902 #1 Posted September 23, 2014 Does a tractor that uses a fuel pump need to have system vented through cap? Or is that just necessary with a gravity fed system? Share this post Link to post Share on other sites
boovuc 1,090 #2 Posted September 23, 2014 Both need to be vented. Otherwise, the pump would pull vacuum on the gas tank. 1 Share this post Link to post Share on other sites
