Mitsubishi Pajero Pinin. Manual — part 19
ENGINE <4G9> –
General/General Information/Service
Specifications/Sealant and Adhesive
11A-2
GENERAL
OUTLINE OF CHANGES
Due to the new addition of the 4G94 engine vehicles, the following service procedures have been established
regarding the sections which differ from that of the previous models with the 4G93 engine. The same
procedures as before are applied except for the items shown below.
Change in the CO and HC concentration
Change in compression pressure
Change of the limits in the intake manifold negative pressure
Removal and installation of camshaft and camshaft oil seal
Removal and installation of cylinder head gasket
Change in the protrusion of the auto tensioner rod
GENERAL INFORMATION
Items
4G94-GDI
Total displacement mL
1,999
Bore
×
Stroke mm
81.5
×
95.8
Compression ratio
11.0
SERVICE SPECIFICATIONS
Item
Standard value
Limit
CO concentration %
0.5 or less
–
HC concentration ppm
100 or less
–
Compression pressure kPa – r/min
1,800 – 200
1,320 – 200
Intake manifold negative pressure kPa
–
56
Shank length of cylinder head bolt mm
–
96.4
Protrusion of auto tensioner rod mm
4.8 – 5.5
–
SEALANT AND ADHESIVE
Application location
Specified sealants
Remarks
Beam camshaft cap
MITSUBISHI GENUINE PART MD970389 or
i
l
t
Semi-drying
l
t
Cylinder head
equivalent
y g
sealant
Camshaft position sensor support
Camshaft thrust cover
3M Stud Locking 4170 or equivalent
–
ENGINE <4G9> –
Special Tools/On-vehicle Service
11A-3
SPECIAL TOOLS
Tools
Number
Name
Use
MB990767
Front hub and
flange york holder
Camshaft sprocket held
MD998719
Crankshaft pulley
holder pin
MD998713
Camshaft oil seal
installer
Press–fitting camshaft oil seal
MB991653
Cylinder head bolt
wrench
Removal and installation of cylinder head bolt
ON-VEHICLE SERVICE
IDLE MIXTURE CHECK
Standard value
CO contents: 0.5% or less
HC contents: 100 ppm or less
COMPRESSION PRESSURE CHECK
Standard value (at engine speed of 200 r/min):
1,800 kPa
Limit (at engine speed of 200 r/min):
Min. 1,320 kPa
MANIFOLD VACUUM CHECK
Limit: Min. 56 kPa
ENGINE <4G9> –
Camshaft and Camshaft Oil Seal
11A-4
CAMSHAFT AND CAMSHAFT OIL SEAL
REMOVAL AND INSTALLATION
Pre-removal and Post-installation Operations
Fuel Overflow Prevention Operation <only for pre-removal>
Fuel Leak Check <only for post-installation>
Air Bleeding The High-pressure Fuel Line <only for post-installation>
[Refer to GROUP 13A – Fuel Pump (High-pressure).]
Removal and Installation of Under Cover
Check and Adjustment of Drive Belt Tension <only for post-installation>
Draining and Filling of Engine Coolant
Removal and Installation of Air Intake Hose and Resonance Tank
ENGINE <4G9> –
Camshaft and Camshaft Oil Seal
11A-5
1
2
3
5
6
7
19
8
9
10
12
13
14
15
11
16
18
17
3.0 Nm
21
20
9.0 Nm
3.5 Nm
14 Nm
6
3.5 Nm
(3M ATD Part No. 8121)
4
Removal steps
E
1. Engine cover
2. Power steering oil pressure switch
connector
3. A/C compressor magnetic clutch
connector
4. Ignition failure sensor connector
5. Crank angle sensor connector
6. Front wiring harness and injector/EGR
wiring harness combination connector
7. Fuel pressure sensor connector
8. Detonation sensor connector
9. Engine coolant temperature sensor
connector
10. Engine coolant temperature gauge
unit connector
11. Ignition coil connector
12. Camshaft position sensor connector
13. Throttle control servo connector
14. Throttle position sensor connector
15. Purge control solenoid valve
connector
16. Breather hose
17. PCV hose
Ignition coil
Intake manifold
Timing belt
18. Intake rocker cover
19. intake rocker cover gasket
20. Exhaust rocker cover
21. Exhaust rocker cover gasket
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