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All current BMW engines (M42 (from 1/94), M44, M52, S52, M60, M62 and M73 engines) incorporate a pressure-controlled crankcase ven- tilation system. If oil consumption issues are being diagnosed, this information can be helpful. The crankcase ventilation systems use various crankcase ventilation valves depending on the engine type as shown in Figure 1 below. Various BMW crankcase ventilation valves: No. 1, used in the M52/S52 engines; Nos. 2 and 3, used in the M73 (two valves per engine); No. 4, used in the M42 from 1/94 production and M44; and No. 5, used in the M60/M62. If a crankcase ventilation valve is defective (damaged diaphragm) the column of water will indicate an off the scale reading (all of the water on one side of the slack tube) which indicates a high crankcase vacuum. Cylinder Head And Timing Belt Update On 2006-07 Hyundai 2.0L VIN D Engines A cylinder head and timing belt update on 2006-’07 Hyundai 2.0L VIN D engines allows the 2.0L timing belt system to be changed to an automatic adjustment type from the previous fixed adjustment type. Cylinder head and timing belt part numbers and information for Hyundai 2.0L engines. Rear Engine Oil Leak On 2003-2006 Isuzu Ascenders with 5.3L VIN P Engines A rear engine oil leak on 2003-2006 Isuzu Ascenders with 5.3L VIN P engines that upon initial diagnosis seems to be coming from the rear cover gasket area, may actually be caused by engine block porosity on the engine block sealing surface. Head Bolt Caution & Installation For 2001-’02 KIA 1.5L DOHC Engines. Revised Rocker Arm Assembly For 1996-2004 Rover 4.6L Engines. Engine Noise at 2,200-3,000 RPM For 2005 Porsche 2.7L Boxsters
Tags : engine oil leak, crankcase ventilation, consumption issues, bmw engines, ventilation systems, head bolt, initial diagnosis, oil consumption, type cylinder, m73, arm assembly, ascenders, crankcase, dohc engines, s52
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