Mitsubishi Montero (2004+). Manual - part 125

SPECIFICATIONS

TSB Revision

ENGINE OVERHAUL

11B-59

SERVICE SPECIFICATIONS

M1113000300505

Valve timing

Intake valve

Opens (BTDC)

5

°

Closes (ABDC)

55

°

Exhaust valve

Opens (BBDC)

51

°

Closes (ATDC)

17

°

Lubrication system

Pressure feed, full-flow filtration

Oil pump type

Trochoid type

DESCRIPTIONS

SPECIFICATIONS

ITEMS

STANDARD VALUE

LIMIT

Timing belt
Auto tensioner rod length mm (in)

4.8 

− 5.5 (0.19 − 0.21)

−

Auto tensioner rod production length mm (in) 12 (0.5)

−

Auto tensioner rod pushed-in amount
[when pushed with a force of 98 

− 196 N (22 − 

44 lb)] mm (in)

1.0 (0.03) or less

−

Rocker arms and camshaft
Camshaft cam height 
mm (in)

Intake

37.39 (1.472)

Minimum 36.89 (1.462)

Exhaust

37.14 (1.462)

Minimum 36.64 (1.443)

Camshaft journal outside diameter mm (in)

45 (1.8)

−

Cylinder head and valves
Cylinder head flatness of gasket surface mm 
(in)

Less than 0.03 (0.001)

0.2 (0.007)

Cylinder head grinding limit of gasket surface 
mm (in) Total resurfacing depth of cylinder 
head and cylinder block

−

0.2 (0.007)

Cylinder head overall height mm (in)

120 (4.7)

−

Valve thickness of valve 
head (margin) mm (in)

Intake

1.0 (0.04)

Minimum 0.5 (0.02)

Exhaust

1.2 (0.05)

Minimum 0.7 (0.03)

Valve overall height mm 
(in)

Intake

110.30 (4.343)

Minimum 109.80 (4.323)

Exhaust

112.11 (4.414)

Minimum 111.61 (4.394)

Valve stem outside 
diameter mm (in)

Intake

6.0 (0.24)

−

Exhaust

6.0 (0.24)

−

Valve thickness to valve 
guide clearance mm (in)

Intake

0.02 

− 0.05 (0.0008 − 0.0019)

0.10 (0.003)

Exhaust

0.04 

− 0.07 (0.0016 − 0.0027)

0.15 (0.005)

Valve face angle mm (in)

45

° − 45.5°

−

Valve spring free length mm (in)

51.0 (2.01)

50.0 (1.97)

Valve spring load/installed height N (lb) /mm 
(in)

267/44.2 (60.0/1.74)

−

Valve spring out-of-squareness

2

° or less

4

°

Valve seat valve contact width mm (in)

0.9 

− 1.3 (0.04 − 0.05)

−

Valve guide inside diameter mm (in)

6.0 (0.32)

−

SPECIFICATIONS

TSB Revision

ENGINE OVERHAUL

11B-60

Valve guide projection from cylinder head 
upper surface mm (in)

14 (0.6)

−

Valve stem projection mm (in)

49.30 (1.941)

49.80 (1.960)

Oversize rework 
dimensions of valve 
guide hole mm (in)

0.05 oversize 
diameter

11.05 

− 11.07 (0.4351 − 0.4358) −

0.25 oversize 
diameter

11.25 

− 11.27 (0.4429 − 0.4437) −

0.50 oversize 
diameter

11.50 

− 11.52 (0.4528 − 0.4535) −

Intake oversize rework 
dimensions of valve 
seat hole mm (in)

0.3 oversize 
diameter

34.30 

− 34.33 (1.3504 − 1.3515) −

0.6 oversize 
diameter

34.60 

− 34.63 (1.3623 − 1.3633) −

Exhaust oversize rework 
dimensions of valve 
seat hole mm (in)

0.3 oversize 
diameter

31.80 

− 31.81 (1.2520 − 1.2531) −

0.6 oversize 
diameter

32.10 

− 32.13 (1.2638 − 1.2650) −

Oil pan and oil pump
Oil pump tip clearance mm (in)

0.06 

− 0.18 (0.003 − 0.007)

−

Oil pump side clearance mm (in)

0.04 

− 0.10 (0.002 − 0.003)

−

Oil pump body clearance mm (in)

0.10 

− 0.18 (0.004 − 0.007)

0.35 (0.013)

Oil cooler by-pass valve 
mm (in)

Dimension (Normal 
temperature)

34.5 (1.358)

−

By-pass hole 
closing 
temperature 97 to 
103

°C(207 to 

217

°F) 

40.0 (1.575)

−

Oil pressure at curb idle speed kPa (psi)
[oil temperature is 75 to 90

°C(167 to 194°F)]

80 (11.6) or more

−

Piston and connecting rod
Piston outside diameter mm (in)

95.0 (3.740)

−

Piston ring to ring 
groove clearance mm 
(in)

No.1

0.03 

− 0.07 (0.0012 − 0.0027)

0.1 (0.003)

No.2

0.02 

− 0.06 (0.0008 − 0.0023)

0.1 (0.003)

Piston ring end gap mm 
(in)

No.1

0.30 

− 0.45 (0.012 − 0.017)

0.8 (0.03)

No.2

0.45 

− 0.60 (0.018 − 0.023)

0.8 (0.03)

Oil ring side rail

0.20 

− 0.60 (0.008 − 0.023)

1.0 (0.03)

Piston pin outside diameter mm (in)

22.0 (0.87)

−

Crankshaft pin oil clearance mm (in)

0.02 

− 0.05 (0.0008 − 0.0019)

0.1 (0.003)

Connecting rod big end side clearance 
mm (in)

0.10 

− 0.25 (0.003 − 0.009)

−

ITEMS

STANDARD VALUE

LIMIT

SPECIFICATIONS

TSB Revision

ENGINE OVERHAUL

11B-61

SEALANTS AND ADHESIVES

M1113000500479

Crankshaft and drive plate
Crankshaft end play mm (in)

0.05 

− 0.25 (0.002 − 0.009)

0.3 (0.01)

Crankshaft journal outside diameter mm (in)

64 (2.520)

−

Crankshaft pin outside diameter mm (in)

55 (2.165)

−

Crankshaft journal oil clearance mm (in)

0.02 

− 0.04 (0.0008 − 0.0015)

0.1(0.003)

Piston to cylinder clearance mm (in)

0.02 

− 0.04 (0.0008 − 0.0015)

−

Cylinder block flatness of gasket surface
mm (in)

0.05 (0.02)

0.1 (0.003)

Cylinder block grinding limit of gasket surface 
mm (in) total resurfacing depth of both 
cylinder head and cylinder block

−

0.2 (0.008)

Cylinder block overall height mm (in)

227.9 

− 228.1 (8.972 − 8.980)

−

Cylinder bore inside diameter mm (in)

95.0 (3.740)

−

Cylindricity mm (in)

0.01 (0.0003)

−

ITEMS

STANDARD VALUE

LIMIT

ITEMS

SPECIFIED SEALANT

QUANTITY

Engine coolant temperature sensor

3M

  AAD Part No. 8731 or equivalent

As required

Engine coolant temperature gauge unit 3M

  AAD Part No. 8672 or equivalent

As required

Engine Oil pressure switch

3M

  AAD Part No. 8672 or equivalent

As required

Oil pressure gauge unit

3M

  AAD Part No. 8672 or equivalent

As required

Oil seal case

MITSUBISHI genuine part No. MD970389 or 
equivalent

As required

Oil pan

MITSUBISHI genuine part No. MD970389 or 
equivalent

As required

NOTES