Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Subaru Legacy 2000-2003 Approved Subaru Legacy 2000 2000 Service Manual MECHANISM AND FUNCTION SECTION Engine Lubrication System MSA5TCD00L18150
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LEGACY (W2260BE_SGML Complete)
2-4 [M100] MECHANISM AND FUNCTION
1. General
1. General
D The lubrication system is a force-fed circulating design and oil pressure is regurated by relief
valve built-in the oil pump.
D The oil pump utilizes a thin, large-diameter trochoid design to accomodate the high engine out-
put. This pump is directly driven by the crankshaft.
D The full-flow, paper element type oil filter is provided to improve engine reliability and has a built-
in by-pass valve to bypass the engine oil if filter is clogged.
D The oil pan is provided with baffle plates to eliminate the effect of oil suction caused by oil level
variations during operation.
D Engine oil discharged from oil pump is delivered to the journal bearings, connecting rod bear-
ings, etc., via the oil passage (on the lower right side of the cylinder block), oil filter, and the oil
gallery (on the right of the cylinder block) to provide proper lubrication and cooling.
D Engine oil is also fed under pressure to the cylinder head valve mechanism after the flow is regu-
lated by the orifice provided in the oil gallery.
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LEGACY (W2260BE_SGML Complete)
MECHANISM AND FUNCTION [M100] 2-4
1. General
B2H1964A
(1) Oil filter (6) Rocker arm
(2) Oil pump (7) Rocker shaft
(3) Oil strainer
(4) Camshaft (a) By-pass valve: 157 kPa (1.6 kg/cm2, 23 psi)
(5) Roller (b) Relief valve: 490 kPa (5.0 kg/cm2, 71 psi)
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