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}