Mitsubishi Outlander GS45X. Manual — part 1212
11D-1
GROUP 11D
ENGINE OVERHAUL
<3.0L ENGINE>
CONTENTS
GENERAL SPECIFICATIONS . . . . . .
SERVICE SPECIFICATIONS. . . . . . .
FASTENER TIGHTENING
SPECIFICATIONS . . . . . . . . . . . . . . .
SEALANTS AND ADHESIVES . . . . .
SPECIAL TOOLS. . . . . . . . . . . . . . . .
GENERATOR AND DRIVE BELT . . .
REMOVAL AND INSTALLATAION . . . . . . .
INTAKE MANIFOLD PLENUM AND
THROTTLE BODY ASSEMBLY . . . .
REMOVAL AND INSTALLATION . . . . . . . .
TIMING BELT. . . . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
INSPECTION . . . . . . . . . . . . . . . . . . . . . . .
INTAKE MANIFOLD . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
WATER HOSE AND PIPE . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
EXHAUST MANIFOLD . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
ROCKER COVER AND CAMSHAFT .
REMOVAL AND INSTALLATION . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
CYLINDER HEAD AND VALVES. . . .
REMOVAL AND INSTALLATION . . . . . . . .
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
OIL PAN AND OIL PUMP. . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
PISTON AND CONNECTING ROD . .
REMOVAL AND INSTALLATION . . . . . . . .
PISTON AND CONNECTING ROD
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
CRANKSHAFT AND
CYLINDER BLOCK . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
CYLINDER BLOCK INSPECTION . . . . . . .
GENERAL SPECIFICATIONS
TSB Revision
ENGINE OVERHAUL <3.0L ENGINE>
11D-2
GENERAL SPECIFICATIONS
M1113000202571
SERVICE SPECIFICATIONS
M1113000303117
Descriptions
Specifications
Engine model
6B31
Type
60
° V, SOHC
Number of cylinders
6
Combustion chamber
Pentroof type
Total displacement cm
3
(cu in)
2,998 (182.9)
Cylinder bore mm (in)
87.6 (3.45)
Piston stroke mm (in)
82.9 (3.54)
Compression ratio
10.5
Valve timing
Intake valve
Opens
-1
°BTDC − 18°BTDC
Closes
37
°ABDC − 86°ABDC
Exhaust valve
Opens
55
°BBDC
Closes
20
°ATDC
Lubrication system
Pressure feed, full-flow filtration
Oil pump type
Trochoid type
Item
Standard value
Limit
Timing belt
Auto tensioner rod length mm (in)
9.1
− 13.4
(0.36
− 0.52)
−
Valve clearance mm (in)
0.07
− 0.13
(0.003
− 0.005)
−
Rocker cover and camshaft
Camshaft cam height mm (in)
Intake
Low speed
cam
37.28 (1.468)
Minimum 36.78 (1.448)
High speed
cam
36.23 (1.426)
Minimum 35.73 (1.407)
Exhaust
37.84 (1.490)
Minimum 37.34 (1.470)
Camshaft journal outside diameter mm (in)
45 (1.8)
−
SERVICE SPECIFICATIONS
TSB Revision
ENGINE OVERHAUL <3.0L ENGINE>
11D-3
Cylinder head and valves
Cylinder head flatness of gasket surface mm (in)
Less than 0.03 (0.0012) 0.05 (0.002)
Cylinder head grinding limit of gasket surface mm (in)
(Total resurfacing depth of cylinder head and cylinder
block)
−
0.15 (0.006)
Cylinder head overall height mm (in)
120 (4.7)
−
Valve thickness of valve head
(margin) mm (in)
Intake
1.0 (0.03)
Minimum 0.5 (0.02)
Exhaust
1.2 (0.04)
Minimum 0.7 (0.03)
Valve overall height mm (in)
Intake
111.84 (4.403)
Minimum 111.34
(4.384)
Exhaust
114.04 (4.490)
Minimum 113.54
(4.470)
Valve spring free height mm (in)
Intake
63.77 (2.511)
Minimum 62.77 (2.471)
Exhaust
59.90 (2.358)
Minimum 58.90 (2.319)
Valve spring out-of-squareness
2
° or less
4
°
Valve spring load / installed height N (lb) / mm (in)
245.2 (55.13) / 49.2
(1.94)
−
Valve stem outside diameter mm (in)
6.0 (0.24)
−
Valve thickness to valve guide
clearance mm (in)
Intake
0.020
− 0.047
(0.0008
− 0.0018)
0.10 (0.003)
Exhaust
0.035
− 0.062
(0.0014
− 0.0024)
0.15 (0.005)
Valve seat valve contact width mm (in)
0.9
− 1.3
(0.04
− 0.05)
−
Valve guide inside diameter mm (in)
6.0 (0.24)
−
Valve guide press-in height mm (in)
16.7
− 17.3
(0.66
− 0.68)
−
Oversize rework dimensions of
valve guide hole mm (in)
0.05 oversize
diameter
11.050
− 11.068
(0.4351
− 0.4357)
−
Intake oversize rework dimensions
of valve seat hole mm (in)
0.3 oversize
diameter
36.300
− 36.325
(1.4292
− 1.4301)
−
Exhaust oversize rework
dimensions of valve seat hole mm
(in)
0.3 oversize
diameter
32.300
− 32.325
(1.2717
− 1.2726)
−
Item
Standard value
Limit
SERVICE SPECIFICATIONS
TSB Revision
ENGINE OVERHAUL <3.0L ENGINE>
11D-4
Piston and connecting rod
Piston outside diameter mm (in)
87.6 (3.45)
−
Piston ring side clearance mm (in) Number 1
0.04
− 0.08
(0.0016
− 0.0031)
0.1 (0.004)
Number 2
0.03
− 0.07
(0.0012
− 0.0027)
0.1 (0.004)
Piston ring end gap mm (in)
Number 1
0.18
− 0.33
(0.008
− 0.012)
0.8 (0.03)
Number 2
0.28
− 0.48
(0.012
− 0.018)
0.8 (0.03)
Oil ring side rail
0.10
− 0.60
(0.004
− 0.023)
1.0 (0.04)
Piston pin outside diameter mm (in)
22.0 (0.87)
−
Piston pin press-in load N (lb)
5,000
− 15,000
(1,124
− 3,372)
−
Crankshaft pin oil clearance mm (in)
0.012
− 0.039
(0.0005
− 0.0015)
0.1 (0.004)
Connecting rod big end side clearance mm (in)
0.10
− 0.25
(0.004
− 0.009)
0.4 (0.02)
Crankshaft and cylinder block
Crankshaft end play mm (in)
0.05
− 0.25
(0.002
− 0.009)
0.3 (0.01)
Crankshaft journal outside diameter mm (in)
69 (2.7)
−
Crankshaft pin outside diameter mm (in)
53 (2.1)
−
Crankshaft journal oil clearance
mm (in)
Number1, 4 journal
0.018
− 0.038
(0.0008
− 0.0014)
0.1 (0.004)
Number2, 3 journal
0.024
− 0.044
(0.0010
− 0.0017)
0.1 (0.004)
Cylinder block flatness of gasket surface mm (in)
0.05 (0.002)
0.1 (0.004)
Cylinder block grinding limit of gasket surface mm (in)
[Total resurfacing depth of both cylinder head and
cylinder block]
−
0.15 (0.006)
Cylinder block overall height mm (in) [Crankshaft center
to cylinder head top]
215 (8.46)
−
Cylinder block inside diameter mm (in)
87.6 (3.45)
−
Cylindricity mm (in)
0.015 (0.0006)
−
Item
Standard value
Limit
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