Oil Pump; Lubrication System - Mazda 6 Training Manual

OIL PUMP

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.
1 Oil pump body (with a built-in relief valve)
2 Oil pump chain tensioner spring
3 Oil pump chain tensioner
• 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.
ITEM
Oil discharge pressure
[Oil temperature: 100°C {212
(kPa {kgf/cm
Relief valve opening
pressure

LUBRICATION SYSTEM

.
ENGINE SPEED [rpm]
°
F}] 1,500
3,000
2
, psi})
2
(kPa {kgf/cm
4 Oil pump chain guide
5 Oil pump chain
6 Oil pump sprocket
L8
129— 269
{1.32—2.74, 18.7—39.0}
234—521
{2.39—5.31, 33.9—75.5}
, psi})
{5.09—6.11, 72.6—87.0}
A6E333014100T01
AME3300N006
ENGINE
LF L3
193—400
{1.97—4.07,
27.9—58.0}
395— 649
{4.03—6.61,
57.3—94.1}
500—600
D
D–7