Does anyone out there on the forum know of the easiest way to change 2 lifters on the right bank of the E-420 engine??? Do I need any special tools also do I have to remove the timing chain on this vehicle. ??? Do the cams have to be removed??? For some reason or another things are really starting to go haywire on this beautiful automobile. I want to thank everyone for all of their imput on the other problem, that has solved itself somehow. By the way, I checked all of the oil tubes on the right bank and all are fine, found one lifter making noise, cam lobe looked good?? I also purchased new o rings from thedealer for the oil tubes on the right bank. Just trying to put everything in prospective for everyone. I have tried Marvel mystery oil, STP worked for one day kept it quiet and has started making noise again??? Any illustrations or pictures would also be of great help to me on replacing the lifters. Big Ben

Of course the camshaft has to be removed! The engine must be at 45deg BTDC #1 cylinder & the camshafts held in position with alignment pins. HAVE you replaced all of the oiler tubes on that bank? IF not then start by doing that first! MB number 119-180-02-66.

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you bet, I changed all of the oil tubes on that bank, and have gone over them again to make sure that none were blown out. thanks for the imput, I was just hoping that I did not have to remove or move timing chain out of the way, Some techs say that the lifters have factory shims on them, is there any truth to this, I am not too sure of what kind of bee's nest I am getting into.?? Can the cam just be lifted up enough to get the problem lifter ou and the new one installed?? Ben