TurdFerguson Posted 5 hours ago Share Posted 5 hours ago Mack E tech 300 engine. Removed the EUP pump and the springs on the EUP pump had broken and beat up the tappet roller under the EUP pump. the tappet roller is damaged and swelled and will not come out. Tried to move it up or down and will not budge. it is stuck. Quote Link to comment https://www.bigmacktrucks.com/topic/76341-e-tech-300-eup/ Share on other sites More sharing options...
fjh Posted 1 hour ago Share Posted 1 hour ago 3 hours ago, TurdFerguson said: Mack E tech 300 engine. Removed the EUP pump and the springs on the EUP pump had broken and beat up the tappet roller under the EUP pump. the tappet roller is damaged and swelled and will not come out. Tried to move it up or down and will not budge. it is stuck. Sorry bro never had this happen ! Try making something with a hook on it to grab the slot from the inside and pry up! Is all I can think of at the moment! Quote Link to comment https://www.bigmacktrucks.com/topic/76341-e-tech-300-eup/#findComment-589591 Share on other sites More sharing options...
Joey Mack Posted 1 hour ago Share Posted 1 hour ago Did the EUP roller rotate? Which cylinder is it? 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76341-e-tech-300-eup/#findComment-589593 Share on other sites More sharing options...
fjh Posted 1 hour ago Share Posted 1 hour ago 18 minutes ago, Joey Mack said: Did the EUP roller rotate? Which cylinder is it? Wondered my self not that it maters much think that cam will be pouched! But ya never know! Quote Link to comment https://www.bigmacktrucks.com/topic/76341-e-tech-300-eup/#findComment-589594 Share on other sites More sharing options...
Joey Mack Posted 54 minutes ago Share Posted 54 minutes ago Yes sir, i am thinking the guide pin is jamming the lifter in the bore, and may need to be drilled out with an 1/8" left hand drill bit to use an easy out to rotate and pull the guide pin 1 Quote Link to comment https://www.bigmacktrucks.com/topic/76341-e-tech-300-eup/#findComment-589595 Share on other sites More sharing options...
fjh Posted 32 minutes ago Share Posted 32 minutes ago 21 minutes ago, Joey Mack said: Yes sir, i am thinking the guide pin is jamming the lifter in the bore, and may need to be drilled out with an 1/8" left hand drill bit to use an easy out to rotate and pull the guide pin Yup! Good thought! Quote Link to comment https://www.bigmacktrucks.com/topic/76341-e-tech-300-eup/#findComment-589596 Share on other sites More sharing options...
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