2007 MITSUBISHI LANCER EVOLUTION oil pressure

ENGINE OVERHAUL -Rocker Arm and Camshaft11B-39
(7) Submerge the lash adjuster in vat C, and lightly press
down on the steel ball inside using the special tool
MD998442.
Caution
Do not use vat C for cleaning. If vat C is used
for cleaning, foreign matter, etc., could enter the
pressure chamber when filling it with diesel oil.
(8) Stand the lash adjuster with the plunger at the top
position. Press down on the plunger with force, and
after it has reached the maximum stroke, gradually
return it. Then, release the steel ball to fill the pressure
chamber with diesel oil.
(9) Remove the lash adjuster from the vat, and stand
the lash adjuster with the plunger at the top position.
The plunger should not move when pressed down
with force.
NOTE
If the lash adjuster compresses, repeat steps (7) to
(9). Replace the lash adjuster if the same
phenomenon occurs even after diesel oil has been
filled in the pressure chamber (after the air has been
bled).
(10)Store the lash adjuster in the vertical state so that
the internal diesel oil will not spill out, and so that
foreign matter, such as dirt, will not adhere. Install
it onto the engine as soon as possible.
MD998442Diesel oil
MD998442Diesel oil

ENGINE OVERHAUL -Oil Pump and Oil Pan11B-47
OIL PUMP AND OIL PAN
REMOVAL AND INSTALLATION
2
1
Apply engine oil on
all sliding sections
before installing.
4 56
12 13
16187 20
38
9
10 1415
1719
1139±5N•m 54±5N•m19±3N•m
36±3N•m23±3N•m 17±1N•m 10±2N•m
9±3N•m 22±4N•m 23±3N•m
19±3N•m
44±5N•m 23±3N•m
25
24232221
26272930
31
28
19±3N•m
Removal steps
1. Drain plug
"NA2. Drain plug gasket
"MA3. Oil filter
AA""LA4. Oil pan
5. Oil screen
6. Oil screen gasket
7. Baffle plate
"KA8. Oil pressure switch
9. Oil cooler bypass valve
10. Relief plug
11. Gasket
12. Relief spring
13. Relief plunger
14. Oil filter bracket
15. Oil filter bracket gasket
AB""JA16. Plug cap
17. O-ringAC""IA18. Flange bolt
"HA19. Oil pump case
20. Oil pump case gasket
21. Oil pump cover
"GA22. Oil pump driven gear
"GA23. Oil pump drive gear
"FA24. Crankshaft front oil seal
"EA25. Counter balance shaft oil seal
"DA26. Oil pump oil seal
27. Counter balance shaft, right
28. Counter balance shaft, left
AD""CA29. Counter balance shaft front bearing
AE""BA30. Counter balance shaft rear bearing,
right
AE""AA31. Counter balance shaft rear bearing,
left

ENGINE OVERHAUL -Oil Pump and Oil Pan11B-53
"JAPLUG CAP INSTALLATION
1. Install a new O-ring onto the oil pump case.
2. Lightly tighten the plug cap by hand.
3. As shown in the illustration, fit the special tool (MD998162)
into the notch on the plug cap, and while supporting with
the special tool (MD998783), tighten the plug cap at the
specified torque 23±3N•m.
"KAOIL PRESSURE SWITCH INSTALLATION
Sealant
Specified sealant:
3M
TMAAD Part No. 8672 or equivalent
Caution
(1) Make sure that the sealant does not protrude to the
end of the threads.
(2) Do not tighten too far.
"LAOIL PAN INSTALLATION
1. Clean the surface of the cylinder block and oil pan onto
which gasket is to be applied.
2. Squeeze out form-in-place gasket at a 4 mm width, and
apply onto the entire periphery of the oil pan flange.
Form-in-place gasket
Specified gasket:
Mitsubishi Genuine Part No. MD970389 or
equivalent
3. Note that the lengths of the bolts shown in the illustration
differ, so take care when installing.
MD998162
MD998783
Bolt hole section Groove
Timing belt side
M6×8

12-1
ENGINE
LUBRICATION
CONTENTS
GENERAL INFORMATION 2..................
SERVICE SPECIFICATIONS 3.................
SEALANT 3..................................
LUBRICANTS 3..............................
SPECIAL TOOL 3............................ON-VEHICLE SERVICE 4.....................
Engine Oil Check 4............................
Engine Oil Replacement 4.......................
Oil Filter Replacement 5........................
Oil Pressure Check 5..........................
ENGINE OIL COOLER 7......................

ENGINE LUBRICATION -Service Specifications/Sealant/Lubricants/Special Tool12-3
SERVICE SPECIFICATIONS
ItemsStandard value
Oil pressure kPaat idle29 or more
at 3,500 r/min294 - 686
SEALANT
ItemsSpecified sealantRemark
Oil pressure switch3M ATD Part No. 8660 or equivalentSemi-drying sealant
LUBRICANTS
ItemsSpecifications
Engine oil ACEA classificationFor EuropeA1, A2, A3
Engine oil API classificationFor EuropeSG or higher
For General ExportSE or higher
Engine oil quantity LOil filter0.3
Oil cooler0.3
Total5.1
SPECIAL TOOL
ToolNumberNameUse
MD998054Oil pressure switch
wrenchRemoval and installation of oil pressure switch

ENGINE LUBRICATION -On-vehicle Service12-5
OIL FILTER REPLACEMENT
1. Start the engine and allow it to warm up until the
temperature of the coolant reaches 80_Cto90_C.
2. Remove the engine oil filler cap.
3. Remove the drain plug to drain oil.
Caution
Use care as oil could be hot.
4. Remove the under cover.
5. Use the respective tool in the following table to remove
the engine oil filter.
6. Clean the filter bracket side mounting surface.
7. Apply a small amount of engine oil to the O-ring of the new
oil filter.
8. Once the O-ring of the oil filter is touching the flange,
use the generic tool to turn for approximately 3/4 round
and tighten to (14±2 N·m).
9. Install the drain plug and refill the engine oil.
(Refer to Engine Oil Replacement P.12-4.)
10. Race the engine 2 - 3 times, and check to be sure that
no engine oil leaks from installation section of the oil
filter.
OIL PRESSURE CHECK
1. Check engine oil quantity.
2. Remove the oil pressure switch terminal.
3. Use the special tool (oil pressure switch wrench) to remove
the oil pressure switch.
Caution
Since sealant is applied to the thread of oil pressure
switch, take care not to damage the oil pressure switch
when removing it.
Commercially-
available tool
O-ring
Oil pressure switch
Oil filter bracket
MD998054

ENGINE LUBRICATION -On-vehicle Service12-6
4. Install the oil pressure gauge.
NOTE
Use a adapter of PT 1/8 thread.
5. Run the engine to warm it.
6. After the engine has been warmed up, check that oil
pressure is within the standard value.
Standard value:
At idle: 29 kPa or more
At 3,500 r/min: 294 - 686 kPa
7. Remove the oil pressure gauge.
8. Apply the specified sealant to the thread of oil pressure
switch.
Specified sealant: 3M ATD Part No. 8660 or equivalent
9. Use the special tool to tighten the oil pressure switch
to the specified torque.
Tightening torque: 10±2 N·m
Caution
Do not start the engine within one hour after the oil
pressure switch has been installed.
10. Install the oil pressure switch terminal.
MD998054

MPI -General Information13A-3
GENERAL INFORMATION
The Multipoint Fuel Injection System consists
of sensors which detect the engine conditions,
the engine-ECU which controls the system
based on signals from these sensors, and
actuators which operate under the control of
the engine-ECU. The engine-ECU carries outactivities such as fuel injection control, idle
speed control and ignition timing control. In
addition, the engine-ECU is equipped with
several diagnosis modes which simplify
troubleshooting when a problem develops.
FUEL INJECTION CONTROL
The injector drive times and injector timing are
controlled so that the optimum air/fuel mixture
is supplied to the engine to correspond to the
continually-changing engine operation condi-
tions.
A single injector is mounted at the intake port
of each cylinder. Fuel is sent under pressure
from the fuel tank by the fuel pump, with the
pressure being regulated by the fuel pressure
regulator. The fuel thus regulated is distributed
to each of the injectors.
Fuel injection is normally carried out once for
each cylinder for every two rotations of the
crankshaft. The firing order is 1-3-4-2. This iscalled sequential fuel injection. The
engine-ECU provides a richer air/fuel mixture
by carrying out “open-loop” control when the
engine is cold or operating under high load
conditions in order to maintain engine
performance. In addition, when the engine is
warm or operating under normal conditions,
the engine-ECU controls the air/fuel mixture
by using the oxygen sensor signal to carry out
“closed-loop” control in order to obtain the
theoretical air/fuel mixture ratio that provides
the maximum cleaning performance from the
three way catalyst.
IDLE AIR CONTROL
The idle speed is kept at the optimum speed
by controlling the amount of air that bypasses
the throttle valve in accordance with changes
in idling conditions and engine load during
idling. The engine-ECU drives the idle speed
control motor to keep the engine running at
the pre-set idle target speed in accordance
with the engine coolant temperature and airconditioner load. In addition, when the air
conditioner switch is turned off and on while
the engine is idling, the idle speed control motor
operates to adjust the throttle valve bypass
air amount in accordance with the engine load
conditions in order to avoid fluctuations in the
engine speed.
IGNITION TIMING CONTROL
The power transistor located in the ignition
primary circuit turns ON and OFF to control
the primary current flow to the ignition coil. This
controls the ignition timing in order to provide
the optimum ignition timing with respect to theengine operating conditions. The ignition timing
is determined by the engine-ECU from the
engine speed, intake air volume, engine coolant
temperature and barometric pressure.
SELF-DIAGNOSIS FUNCTION
DWhen an abnormality is detected in one
of the sensors or actuators related to
emission control, the engine warning lamp
(check engine lamp) illuminates as a
warning to the driver.
DWhen an abnormality is detected in one
of the sensors or actuators, a diagnosis
code corresponding to the abnormality is
output.DThe RAM data inside the engine-ECU that
is related to the sensors and actuators can
be read by means of the MUT-II. In addition,
the actuators can be force-driven under
certain circumstances.