The purge
valve ticking noise is most likely normal and should not be noticed inside the cab when the windows are up.
Not exact matches
This engine does not use hydraulic tappets, so every 60,000 miles of mileage (90,000 km) you should regulate the
valves to avoid appearing of irritable
ticking noise.
The bottom line is if the
ticking noise did not exist at all prior to their work on the
valve train, but occurred immediately at the...
The
ticking noise is from the
valve train.
Deficiencies of various types can cause lifter and
valve train
noise, including
ticking noises.
Ticking noises are usually due to
valve train problems and, in turn those problems can be caused by low oil pressure.
MR20DE was not equipped with any hydraulic lifters, and so if
ticking noise has appeared, you need to regulate
valve clearance.
Faulty exhaust side hydraulic
valve lifters (HVA) can cause a
ticking noise after the engine is warmed up in some 2006 - 2008 models with the N52 engine.