Volvo Owners Club Forum - View Single Post - D4204T - 2004.5 v50 hydraulic valve lifter replacement manual

5cilinder · Jun 10th, 2016, 20:58

yes valves are adjusted automaticly by oilpressure in the tappets
Returnflow measurement is save because it has no (significant) pressure
Piezoelectric injectors work the same as solenoid mechanicly ,only the timing is more refined with piezos

Jun 10th, 2016, 20:58	#8
5cilinder Premier Member Last Online: Today 01:51 Join Date: Oct 2011 Location: Groningen	yes valves are adjusted automaticly by oilpressure in the tappets Returnflow measurement is save because it has no (significant) pressure Piezoelectric injectors work the same as solenoid mechanicly ,only the timing is more refined with piezos