Tappet Troubleshooter Diagnosing Wear in HPFP Systems

If it's blocked, maybe Brakleen or Gumout, something with solvent and pressure. If it's open and simply being maintained, I'd imagine regular canned air would ... This Join this channel to get access to perks: https://www.youtube.com/channel/UCvv1ZzM0Fff-aiLZgY1Hk7Q/join LAOL Vlog #23 This car was my ... An important step in replacement is to make sure the cam lobe is at a low spot, not a peak where the roller rides. If its at a high spot, you ... Ford says the deposits will form on the pump drivetrain roller and inside the tappet body cooling passages, where they'll increase wear on the ... The tapping noise attributable to the high pressure fuel pump, located on the top back of the engine on the passenger side. The shop manual indicates this may happen to the HPFP when reattaching the pump. The directions are to insure the flat part of the cam lobe is at the top. 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, ... ... back of it first. (You can also just buy the sensor, 2 rubber lines ... (keep your eye out for leaks) h. You have now flushed your tank and lines of ... The high pressure pump sits on the valve cover and is driven by one of the camshaft lobes on the back of the head. ... High Pressure Fuel Pump out ... ... high pressure fuel pump. As a result, the friction between the fuel pump parts will cause them to wear out even faster to the point of failing.