ENGINE LUBRICATION SYSTEM 7-1

Engine Lubrication System

Table of Contents

Exploded View........................................................................................................................	7-2
Engine Oil Flow Chart.............................................................................................................	7-4
Specifications .........................................................................................................................	7-6
Special Tools and Sealant ......................................................................................................	7-7
Engine Oil and Oil Filter..........................................................................................................	7-8
Oil Level Inspection...........................................................................................................	7-8
Engine Oil Change............................................................................................................	7-8
Oil Filter Replacement ......................................................................................................	7-8
Oil Pan....................................................................................................................................	7-9
Oil Pan Removal ...............................................................................................................	7-9
Oil Pan Installation ............................................................................................................	7-9
Oil Pressure Relief Valve	7-10
		7
Oil Pressure Relief Valve Removal ...................................................................................	7-10
................................................................................Oil Pressure Relief Valve Installation	7-10
Oil Pressure Relief Valve Inspection.................................................................................	7-11
Oil Pump.................................................................................................................................	7-12
Oil Pump Removal ............................................................................................................	7-12
Oil Pump Installation .........................................................................................................	7-13
Oil Pump Drive Gear Removal..........................................................................................	7-14
Oil Pump Drive Gear Installation.......................................................................................	7-14
Oil Pump Drive Gear Shaft Removal ................................................................................	7-14
Oil Pump Drive Gear Shaft Installation .............................................................................	7-15
Oil Cooler................................................................................................................................	7-16
Oil Cooler Removal...........................................................................................................	7-16
Oil Cooler Installation........................................................................................................	7-16
Oil Cooler/Oil Filter Case Removal ...................................................................................	7-16
Oil Cooler/Oil Filter Case Installation ................................................................................	7-17
Oil Pressure Measurement.....................................................................................................	7-19
Oil Pressure Measurement ...............................................................................................	7-19
Oil Pressure Switch ................................................................................................................	7-20
Oil Pressure Switch Removal ...........................................................................................	7-20
Oil Pressure Switch Installation ........................................................................................	7-20

7-2 ENGINE LUBRICATION SYSTEM

Exploded View

ENGINE LUBRICATION SYSTEM 7-3

Exploded View

	No.	Fastener		Torque		Remarks
			N·m	kgf·m	ft·lb
	1	Air Bleed Bolt	9.8	1.0	87 in·lb
	2	Engine Oil Drain Bolt	29	3.0	21
	3	Impeller Bolt	9.8	1.0	87 in·lb
	4	Oil Cooler Mounting Bolts	20	2.0	15
	5	Oil Cooler/Oil Filter Case Mounting Bolts	20	2.0	15	L
	6	Oil Filter	17	1.7	13	G, R
	7	Oil Filter Guard Bolts	4.0	0.41	35 in·lb	L
	8	Oil Filter Holder Bolt	25	2.5	18	L
	9	Oil Jet Nozzles	2.9	0.30	26 in·lb
	10	Oil Pan Bolts	9.8	1.0	87 in·lb	S
	11	Oil Passage Plug	17	1.7	13
	12	Oil Passage Plugs (Taper)	20	2.0	15	L
	13	Oil Pressure Relief Valve	15	1.5	11	L
	14	Oil Pressure Switch	15	1.5	11	SS
	15	Oil Pressure Switch Terminal Bolt	1.5	0.15	13 in·lb	G
	16	Oil Pump Drive Gear Bolt	9.8	1.0	87 in·lb	L
	17	Water Pump Cover Bolts	12	1.2	106 in·lb	L

EO: Apply engine oil. G: Apply grease.

HG: Apply high-temperature grease.

L: Apply a non-permanent locking agent. MO: Apply molybdenum disulfide oil solution.

(mixture of the engine oil and molybdenum disulfide grease in a weight ratio 10:1)

R:Replacement Parts

S:Follow the specified tightening sequence.

SS:Apply silicone sealant.

W:Apply water.

7-4 ENGINE LUBRICATION SYSTEM

Engine Oil Flow Chart

ENGINE LUBRICATION SYSTEM 7-5

Engine Oil Flow Chart