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