Tappet Wear The Hidden Enemy of HPFP Performance

... out gets closed before it can “preload” more fuel. So while ... There is a lifter that is used between the HPFP and the lobe on the cam. The reason for this is aftermarket pumps use much stiffer springs, which massively increases the forces exerted on the tappet, wearing it out ... Today I discovered an oil leak under HPFP. Does anyone know what this could be? Not valve cover and not OFH. It looks like HPFP gasket ... ... tappet. The Maximum fuel pressure ... If you're vehicle has 50k+ miles on it, consider it an upgrade on the wearing oem hpfp and injectors. The HPFP is located at the back of the engine mounted directly to the back (there is lifter style gear that the drives the pump off of the valvetrain of the ... Out of commission for over 2 months, hope to have back next week. Loved it til it lost oil pressure, lifter body failure, known problem. Was ... Follow eSI procedure under "Engine | Engine Mechanical - 2.0L | Repair Instructions - On Vehicle | Intake Camshaft and Valve Lifter Replacement ... The WSM basically just says to replace damaged components as necessary. I see no reason why you could not replace the fuel pump tappet and be on your merry way, ... I cant figure out the tappet problem for the life of me. The fuel ... I hope you are beyond your problems, no motors like to sit that long. This install DIY video was done with a really Awesome VW technician who has a blog http://humblemechanic.com/. Check out his blog for more ...