Mitsubishi Outlander GS45X. Manual — part 468

ENGINE DIAGNOSIS

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ENGINE MECHANICAL <2.4L ENGINE>

11A-3

ENGINE DIAGNOSIS

M1111000700400

SYMPTOMS

PROBABLE CAUSE

REMEDY

Compression is too
low

Blown cylinder head gasket

Replace the gasket.

Worn or damaged piston rings

Replace the rings.

Worn piston or cylinder

Repair or replace the piston and/or the
cylinder block.

Worn or damaged valve seat

Repair or replace the valve and/or the
seat ring

Drop in engine oil
pressure

Engine oil level is too low

Check the engine oil level.

Malfunction of engine oil pressure switch

Replace the engine oil pressure switch.

Clogged oil filter

Install a new filter.

Worn oil pump gears or cover

Replace the gears and/or the cover.

Thin or diluted engine oil

Change the engine oil to the correct
viscosity.

Stuck (opened) oil relief valve

Repair the relief valve.

Excessive bearing clearance

Replace the bearings.

Engine oil pressure
too high

Stuck (closed) oil relief valve

Repair the relief valve.

Noisy valves

Incorrect valve clearance

Adjust valve clearance

Thin or diluted engine oil (low engine oil
pressure)

Change the engine oil.

Worn or damaged valve stem or valve
guide

Replace the valve and/or the guide.

Connecting rod
noise/main bearing
noise

Insufficient oil supply

Check the engine oil level.

Thin or diluted engine oil

Change the engine oil.

Excessive bearing clearance

Replace the bearings.

SERVICE SPECIFICATIONS

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ENGINE MECHANICAL <2.4L ENGINE>

11A-4

SERVICE SPECIFICATIONS

M1112000301475

SEALANTS AND ADHESIVE

M1112000502643

Item

Standard value

Limit

Drive belt tension

Vibration frequency Hz
(Reference)

102

− 129

−

Tension N (lb) (Reference) 248

− 400 (56 −

90)

−

Basic ignition timing at idle

5

°BTDC ± 3°

−

Actual ignition timing at curb idle

Approximately
10

° BTDC

−

CO contents %

0.5 or less

−

HC contents ppm

100 or less

−

Curb idle speed r/min

650

± 100

−

Compression pressure (200 r/min) kPa (psi)

1,440 (209)

Minimum 1,000
(145)

Compression pressure difference of all cylinder kPa (psi)

−

98 (14)

Intake manifold vacuum at curb idle kPa (in Hg)

−

Minimum 60 (18)

Item

Specified sealant and adhesive

Remark

Rocker cover assembly (matching area of the
cylinder head and the timing chain case)

ThreeBond 1227D, ThreeBond 1217G
(Mitsubishi Genuine Part No.1000A923),
LOCTITE 5900 or equivalent

Semi-drying
sealant

Engine oil pan

ThreeBond 1227D, ThreeBond 1217G
(Mitsubishi Genuine Part No.1000A923),
ThreeBond 1207F (Mitsubishi Genuine Part
No.1000A992), LOCTITE 5970, LOCTITE
5900 or equivalent

Drive plate bolt

ThreeBond 1324 or equivalent

Anaerobic
adhesive

Cylinder head gasket (matching area of the
cylinder head, cylinder head gasket and the
cylinder block)

ThreeBond 1217G (Mitsubishi Genuine Part
No.1000A923), LOCTITE 5900 or equivalent

Semi-drying
sealant

Timing chain case assembly

SPECIAL TOOLS

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ENGINE MECHANICAL <2.4L ENGINE>

11A-5

SPECIAL TOOLS

M1112000602985

Tool

Tool number and name

Supersession

Application

MB992080
Belt tension meter set

a: MB9912081

Belt tension meter

b: MB992082

Microphone assembly

Tool not available

Drive belt tension
(frequency) measurement

MB991958
Scan tool (M.U.T.-III sub
assembly)

a: MB991824

Vehicle communication
interface (V.C.I.)

b: MB991827

M.U.T.-III USB cable

c: MB991910

M.U.T.-III main harness A
(Vehicles with CAN
communication system)

d: MB991911

M.U.T.-III main harness B
(Vehicles without CAN
communication system)

e: MB991914

M.U.T.-III main harness C
(for Chrysler models only)

f: MB991825

M.U.T.-III adapter harness

g: MB991826

M.U.T.-III trigger harness

MB991824-KIT
NOTE: MB991826
M.U.T.-III Trigger
Harness is not
necessary when
pushing V.C.I.
ENTER key.

CAUTION

For vehicles with CAN
communication, use
M.U.T.-III main harness A
to send simulated vehicle
speed. If you connect
M.U.T.-III main harness B
instead, the CAN
communication does not
function correctly.

• Standard ignition timing

check

• Idle speed check

B992080

a

b

MB991910

MB991826

MB991958

MB991911

MB991914

MB991824

MB991827

MB991825

DO NOT USE

a

b

c

d

e

f

g

DO NOT USE

SPECIAL TOOLS

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ENGINE MECHANICAL <2.4L ENGINE>

11A-6

MB992278
Belt tension release wrench

−

Auto-tensioner tension
release

MB990767
Front hub and flange yoke
holder

MB990767-01

Holding the crankshaft
pulley

MD998719
Pin

MIT308239

MB992103
Chain tension release bar

−

Camshaft and camshaft
sprocket assembly
(exhaust side) removal

MD998772
Valve spring compressor

General service
tool

Valve spring compression

MB992090
Retainer holder attachment

−

MB992089
Retainer holder C

−

MB992085
Valve stem seal pliers

−

Valve stem seal removal

Tool

Tool number and name

Supersession

Application

MB992278

B990767

D998719

B992103

MD998772

B992090