Mazda 6. Manual — part 12
D–4
LUBRICATION SYSTEM
LUBRICATION FLOW DIAGRAM
A6E333001003T02
L8, LF
AME3300N002
AME3300N003
LUBRICATION SYSTEM
D–5
D
L3
1
Camshaft
2
Cylinder head
3
Cylinder block
4
Oil jet valve
5
Crankshaft
6
Oil filter
7
Oil filter bypass valve
8
Oil pump
9
Oil strainer
10
Oil pan
11
Return oil
12
Chain tensioner
13
LF engine model
14
Oil cooler
15
To oil filter
16
From oil pump
17
Oil pressure switch
18
Orifice
19
Piston
20
Main bearing
21
Crankshaft bearing, Connecting rod bearing
22
Oil pressure relief valve
23
Elevational view
24
Side view
AME3300N004
D–6
LUBRICATION SYSTEM
.
End Of Sie
AME3300N005
1
Camshaft
2
Cylinder head
3
Cylinder block
4
Oil jet valve
5
Crankshaft
6
Oil filter
7
Oil filter bypass valve
8
Oil pump
9
Oil strainer
10
Oil pan
11
Return oil
12
Chain tensioner
13
Oil cooler
14
Oil pressure switch
15
Orifice
16
Piston
17
Main bearing
18
Crankshaft bearing, Connecting rod bearing
19
Oil pressure relief valve
20
Elevational view
21
Side view
22
Balance shaft
23
Oil control valve (OCV)
24
Variable valve timing actuator
25
Oil filter (Inner engine front cover)
LUBRICATION SYSTEM
D–7
D
OIL PUMP
A6E333014100T01
Structure
•
The oil pump is installed inside the engine front cover. The crankshaft drives the inner rotor via the oil pump
chain and oil pump sprocket.
•
The oil pump consists of the oil pump sprocket, oil pump chain, oil pump chain guide, oil pump chain tensioner,
and oil pump chain tensioner spring.
.
•
An efficient and compact 5-lobe epitrochoid and 6-flank inner envelop type gear has been adopted on the oil
pump.
•
The oil pump consists of the inner and outer rotors, relief valve and oil pump body.
•
The oil pump cannot be disassembled. If there is an oil pump malfunction, replace it as a unit.
OIL PUMP SPEC.
AME3300N006
1
Oil pump body (with a built-in relief valve)
2
Oil pump chain tensioner spring
3
Oil pump chain tensioner
4
Oil pump chain guide
5
Oil pump chain
6
Oil pump sprocket
ITEM
ENGINE SPEED [rpm]
ENGINE
L8
LF
L3
Oil discharge pressure
[Oil temperature: 100
°
C {212
°
F}]
1,500
129— 269
{1.32—2.74, 18.7—39.0}
193—400
{1.97—4.07,
27.9—58.0}
(kPa {kgf/cm
2
, psi})
3,000
234—521
{2.39—5.31, 33.9—75.5}
395— 649
{4.03—6.61,
57.3—94.1}
Relief valve opening
pressure
(kPa {kgf/cm
2
, psi})
500—600
{5.09—6.11, 72.6—87.0}
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