shawn_shawn 14 Report post Posted November 22, 2007 hello, for those familiar with a delco rk43 i am having a problem. i don't have any pressure. i only get it when i pinch the hose coming from the pump. possibly the bypass hose. when i do this the pressure builds up to what appears to be normal operating pressure. when i let it go ii loose it again. can anyone help me pleeeeeeaaassseeee ???? shawn nihem nec&m lansford, pa 18232 570-645-6027 Share this post Link to post Share on other sites
squirtgun 122 Report post Posted November 22, 2007 Sounds like it's time for a new unloader.They do wear out. Share this post Link to post Share on other sites
ECS MARK 19 Report post Posted November 22, 2007 Sounds like Scott is right on the money! I too suspect you need to replace your unloader. If the pressure increases when you restrict the bypass hose it is usually time for a new unloader. Share this post Link to post Share on other sites
shawn_shawn 14 Report post Posted November 22, 2007 i had a k1 unloader (one week old) and switched it to an AL unloader with a blue adjustable spring. the AL is brand new. i was trying to combine 2 rk-43 machines together. shawn nihem nec&m lansford, pa 18232 570 645 6027 Share this post Link to post Share on other sites
