Hydraulic Lifters, Checking: Procedure: Notes

WARNING: This page is about a different car, the 2015 Volkswagen Golf. However, it is still accessible from the selected car via links, so may be relevant.

-- Start the engine and let it run until the radiator fan switches on once.

-- Increase the engine speed for about two minutes to approximately 2500 RPM. Perform a road test if necessary.

NOTE:

If irregular valve noises disappear but return during short drives, the oil check valve must be replaced. The oil check valve is installed inside the oil filter housing -item 9) OVERVIEW - OIL FILTER HOUSING/OIL PRESSURE SWITCH - OIL FILTER HOUSING WITH ENGINE OIL COOLER .

-- If The Hydraulic Lifters Are Still Loud, Determine Which Lifter Is Faulty As Follows:

-- Remove the cylinder head cover. Refer to CYLINDER HEAD COVER, REMOVING AND INSTALLING .

-- Turn the crankshaft by the toothed belt sprocket bolt until the cam lobes on the lifter that must be checked are at the top.

-- To determine the play between cam lobes and roller rocker lever, press the lever downward in direction of -arrow-.

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

-- If a 0.20 mm feeler gauge can slide between the cam lobes and roller rocker lever, replace the hydraulic lifter. Refer to CAMSHAFT HOUSING, REMOVING AND INSTALLING .