MBE 4000

Cylinder Head Cover

Additional Information

SPECIFICATIONS

This section contains the specifications for servicing the engine.‪

Cylinder Head Cover

The torque specifications for the cylinder head cover are listed in Table "Cylinder Head Cover Torque Values" .‪

Description‪

Torque Value: N·m (lb·ft)‪

Cylinder Head Cover Bolts‪

20 (15 )‪

Table 1. Cylinder Head Cover Torque Values

Cylinder Head

The cylinder head warpage limits are listed in Table "Head Warpage Limits" . The specifications for measuring cylinder liner protrusion are listed in Table "Specifications for Measuring Cylinder Liner Protrusion" . Cylinder head bolt length is listed in Table "Cylinder Head Bolt Lengths" . The tightening stages for cylinder head bolts are listed in Table "Tightening Stages, Cylinder Head Bolts" . Oil pressure readings are listed in Table "Oil Pressure Readings" . Cylinder head torque values are listed in Table "Cylinder Head Torque Values" . Cylinder head specifications are listed in Table "Cylinder Head Specifications" . The specifications for compression testing are listed in Table "Compression Pressure Test Data" and listed in Table "Tensioning Arm Bolt Torque Values" .‪

Description

Limit: mm (in.)

Over a length of 150 mm (6 in.)‪

0.015 (0.0006)‪

Table 2. Head Warpage Limits

Description

Value: mm (in.)

Cylinder Liner Protrusion from block‪

0.2305-0.330 (0.0090-0.0130)‪

Difference between the four measuring points‪

Max.: 0.02 (0.0007)‪

Table 3. Specifications for Measuring Cylinder Liner Protrusion

Description

Length: mm (in.)

Shaft length when new‪

210.0 (8.27)‪

Maximum shaft length‪

212.0 (8.35)‪

Table 4. Cylinder Head Bolt Lengths

Size

Max. Shaft Length: mm (in.)

Tightening Stage

Torque Value: N·m (lb·ft)

M15 x 2‪

212.0 (8.35)‪

Stage 1‪

10 (7)‪

Stage 2‪

50 (37)‪

Stage 3‪

100 (74)‪

Stage 4‪

200 (148)‪

Stage 5‪

additional 90°‪

Stage 6‪

additional 90°‪

Table 5. Tightening Stages, Cylinder Head Bolts

Description

Minimum Oil Pressure Reading: kPa (psi)

Engine at Idle Speed‪

50 (7)‪

Engine at Max. rpm‪

250 (36)‪

Table 6. Oil Pressure Readings

Description‪

Torque Value: N·m (lb·ft)‪

Exhaust Manifold Bolts‪

50 N·m (37 lb·ft)‪

High-Pressure Fuel Lines‪

25 N·m (18 lb·ft)‪

Inspection Cover on Flywheel Housing‪

25 N·m (18 lb·ft)‪

Rocker Arm Mounting Bolts‪

60 N·m (44 lb·ft); then another 90°‪

Table 7. Cylinder Head Torque Values

What To Measure

How To Measure

Specification: mm (in.)

Maximum Permissible Warpage of Head Mating Surface‪

Lengthwise and Diagonally‪

0.015 (0.0006)‪

Maximum Permissible Parallelism Deviation of Head Mating Surface‪

At Each of the Four Corners‪

0.1 (0.004)‪

Overall Height of Cylinder Head‪

When New‪

113.85-114.15 (4.482-4.494)‪

After Machining‪

113.5 (4.46)‪

Table 8. Cylinder Head Specifications

Description

Pressure: kPa (psi)

Minimum Compression Pressure Valve‪

2800 (406)‪

Permissible Difference Between Individual Cylinders‪

400 (58)‪

Table 9. Compression Pressure Test Data

Description‪

Torque Value: N·m (lb·ft)‪

Tensioning Arm Bolts‪

50 (37)‪

Table 10. Tensioning Arm Bolt Torque Values

Cylinder Block

The cylinder liner installation tolerances are listed in Table "Cylinder Liner Installation Tolerances" . The cylinder liner inspection tolerances are listed in Table "Cylinder Liner Inspection Tolerances" . Cylinder Liner measurements are listed in Table "Cylinder Liner Measurements" . The specifications for measuring cylinder liner protrusion are listed in Table "Specifications for Measuring Cylinder Liner Protrusion" .‪

Description

Specification: mm (in.)

Cylinder Liner Protrusion, From Block, , Ref. A.‪

0.230–0.330 (0.0090–0.0130)‪

Height of the Cylinder Liner Collar, , Ref. B.‪

10.10–10.12 (0.3976–0.3984)‪

Depth of the Collar Seat, , Ref. C.‪

9.950–10.010 (0.392–0.3941)‪

Thickness of the Seat Insert‪

0.14–0.16 (0.0055–0.0063)‪

Table 11. Cylinder Liner Installation Tolerances

Description

Specification: mm (in.)

Admissible Out-of-Round of the Cylinder Liner, where it contacts the O-rings‪

Max.: 0.02 (0.0007)‪

Admissible Deformation of the Cylinder Liner Collar, at the Contact Surface with the Seat Insert‪

Max.: 0.02 (0.0007)‪

Admissible Deformation of the Liner Collar Seat, at the Contact Surface with the Seat Insert‪

Max.: 0.03 (0.0011)‪

Table 12. Cylinder Liner Inspection Tolerances

Where To Measure

What To Measure

Specification: mm (in.)

Measuring Point 1: at the O-ring area‪

Inside Diameter of the Cylinder Liner, A class‪

127.990–127.995 (5.0390–5.0392)‪

Measuring Point 1: at the O-ring area‪

Inside Diameter of the Cylinder Liner, B class‪

127.995–128.005 (5.0392–5.0396)‪

Measuring Point 1: at the O-ring area‪

Inside Diameter of the Cylinder Liner, C class‪

128.005–128.010 (5.0396–5.0398)‪

Measuring Point 2: Upper Reversal Point of the First Piston Ring‪

Max. Wear to Cylinder Liner, Measured Along Axis A and Axis B‪

0.08 (0.003)‪

At Measuring Point 2, Compare Axis A to Axis B‪

Admissible Wear-Out‪

Max.: 0.08 (0.003)‪

Table 13. Cylinder Liner Measurements

Description

Specification: mm (in.)

Cylinder Liner Protrusion From Block‪

0.245–0.315 (0.0096–0.0124)‪

Difference Between the Four Measuring Points‪

Max.: 0.02 (0.0007)‪

Table 14. Specifications for Measuring Cylinder Liner Protrusion

Crankshaft Assembly

The specifications for the torque of the main bearing-cap bolts is listed in Table "Tightening Stages, Main Bearing-Cap Bolts" . Crankshaft specifications are listed in Table "Crankshaft Specifications" . The dimensions for the center bearing shell and bearing journal are listed in Table "Bearing Shell and Bearing Journal Width" . The crankshaft bearing journal dimensions are listed in Table "Crankshaft Journal Diameters" . The main and connecting-rod bearing as well as the main bearing shell dimensions are listed in Table "Bearing Journal Width" and listed in Table "Bearing Shell and Bearing Journal Diameter" . The torque values for the crankshaft counterweight bolts are listed in Table "Torque Values for Crankshaft Counterweight Bolts" .‪

Max. Shaft Length: mm (in.)

Tightening Stage

Torque Value: N·m (lb·ft)

156.0 mm (6.14 in.)‪

Stage 1‪

100 (74)‪

Stage 2‪

200 (148)‪

Stage 3‪

300-330 (221-243)‪

Stage 4‪

additional 90-100 degrees‪

Table 15. Tightening Stages, Main Bearing-Cap Bolts

Description

Specification: mm (in.)*

Main Bearing and Connecting Rod Journal Hardness (Rockwell hardness)‪

53 to 59 HRC‪

Permissible Deviation From True of Crankshaft†‪

0.09 (0.004)‪

Permissible Out-Of-Round for Main and Connecting-Rod Bearing Journals - When New or Reground‪

0.01 (0.0004)‪

Permissible Out-Of-Round for Main and Connecting-Rod Bearing Journals - Wear Limit‪

0.02 (0.0008)‪

Fillet Radii of Main Bearing and Connecting-Rod Bearing Journals‪

4.2-4.5 (0.165-0.177)‪

Crown of Main Bearing Journals and Connecting-Rod Journals‪

0.000-0.004 (0.0000-0.0002)‪

Main Bearing Outside Diameter (diameter of bearing shell housing‪

111.000-111.022 (4.3701-4.3709)‪

Permissible Imbalance of Crankshaft‡ -at 400 rpm‪

0.6 N·cm (0.05 lb·in)‪

Table 16. Crankshaft Specifications

* Except as otherwise noted.
†Measure with the crankshaft mounted on the outer main bearing journals.
‡With the pin for the flywheel installed, but without the flywheel, and with the crankshaft mounted on the outer bearings.

Size: mm (in.)

Center Bearing Shell Width: mm (in.)

Center Bearing Journal Width: mm (in.)

Standard‪

45.74-45.81 (1.801-1.804)‪

46.000-46.062 (1.8110-1.8135)‪

Undersize - 0.50 (0.020)‪

46.24-46.31 (1.820-1.823)‪

46.500-46.562 (1.8307-1.8331)‪

Undersize - 1.00 (0.040)‪

46.74-46.81 (1.840-1.843)‪

47.000-47.062 (1.8504-1.8528)‪

Table 17. Bearing Shell and Bearing Journal Width

Size: mm (in.)

Main Bearing Journal Diameter: mm (in.)

Connecting-Rod Bearing Journal Diameter: mm (in.)

Standard‪

103.980-104.000 (4.0937-4.0945)‪

89.980-90.000 (3.5425-3.5433)‪

Undersize - 0.10 (0.004)‪

103.880-103.900 (4.0898-4.0905)‪

89.880-89.900 (3.5386-3.5394)‪

Undersize - 0.25 (0.010)‪

103.730-103.750 (4.0839-4.0846)‪

89.730-89.750 (3.5327-3.5335)‪

Undersize - 0.50 (0.020)‪

103.480-103.500 (4.0740-4.0748)‪

89.480-89.500 (3.5228-3.5236)‪

Undersize - 0.75 (0.030)‪

103.230-103.250 (4.0642-4.0650)‪

89.230-89.250 (3.5130-3.5138)‪

Undersize - 1.00 (0.040)‪

102.980-103.000 (4.0543-4.0551)‪

88.980-89.000 (3.5031-3.5039)‪

Table 18. Crankshaft Journal Diameters

Type of Journal:

Width: mm (in.)

Main Journal‪

46.000-46.250 (1.8110-1.8209)‪

Connecting-Rod Journal‪

46.0-46.1 (1.811-1.815)‪

Table 19. Bearing Journal Width

Size: mm (in.)

Main Bearing Inside Diameter: mm (in.)

Main Journal Outside Diameter: mm (in.)

Standard‪

104.060-104.106 (4.0968-4.0987)‪

103.980-104.000 (4.0937-4.0945)‪

Undersize - 0.10 (0.004)‪

103.960-104.006 (4.0929-4.0947)‪

103.880-103.900 (4.0898-4.0905)‪

Undersize - 0.25 (0.010)‪

103.810-103.856 (4.0870-4.0888)‪

103.730-103.750 (4.0839-4.0846)‪

Undersize - 0.50 (0.020)‪

103.560-103.606 (4.0772-4.0790)‪

103.480-103.500 (4.0740-4.0748)‪

Undersize - 0.75 (0.030)‪

103.310-103.356 (4.0673-4.0691)‪

103.230-103.250 (4.0642-4.0650)‪

Undersize - 1.00 (0.040)‪

103.060-103.106 (4.0575-4.0593)‪

102.980-103.000 (4.0543-4.0551)‪

Table 20. Bearing Shell and Bearing Journal Diameter

Shaft Length when New‪

Max. Bolt Length‪

Tightening Stage‪

Torque Value: N·m (lb·ft)‪

69.95 - 70.00 mm‪

(2.754 - 2.756 in.)‪

71.20 mm (2.803 in.)‪

Stage 1‪

150 (111)‪

Stage 2‪

Additional 90°‪

Table 21. Torque Values for Crankshaft Counterweight Bolts

Flywheel and Flywheel Housing

The flywheel specifications are listed in Table "Flywheel Specifications" . The ring gear specifications are listed in Table "Flywheel Ring Gear Specifications" . Listed in Table "Torque Values for Flywheel and Flywheel Housing" are the torque values for the flywheel and the flywheel housing. The tightening stages for the flywheel mounting bolts are listed in Table "Tightening Stages, Flywheel Mounting Bolts" .‪

Description

Specification: mm (in.)

Flywheel Outside Diameter‪

486.60-487.40 (19.157-19.189)‪

Flywheel Shoulder Diameter (for ring gear mounting)‪

432.450-432.645 (17.0256-17.0332)‪

Flywheel Diameter at Crankshaft Flange‪

114.980-115.015 (4.5268-4.5281)‪

Flywheel Diameter for Mounting Clutch‪

475.000-475.063 (18.7008-18.7032)‪

Flywheel Minimum Width Between Friction Surface and Mounting Flange After Machining‪

60 (2.4)‪

Flywheel Maximum Overall Width‪

70 (2.8)‪

Peak-to-Valley Height (R z ) of Clutch Friction Surface‪

0.016 (0.0006)‪

Flywheel Permissible Deviation From True (radial and lateral)‪

0.2 (0.008)‪

Table 22. Flywheel Specifications

Description

Specification: mm (in.)

Flywheel Shoulder Diameter (for ring gear mounting)‪

432.450-432.645 (17.0256-17.0332)‪

Hole for Mounting Clutch Pressure Plate‪

M10 x 1.5‪

Ring Gear Inside Diameter‪

432.000-432.155 (17.0078-17.0139)‪

Ring Gear/Flywheel Interference Fit‪

0.295-0.645 (0.0116-0.0254 )‪

Ring Gear/Flywheel Permissible Radial Runout‪

0.5 (0.02)‪

Ring Gear Width‪

18.4-18.6 (0.72-0.73)‪

Ring Gear Fitting Temperature‪

200-230°C (390-450°F)‪

Table 23. Flywheel Ring Gear Specifications

Description‪

Torque: N·m (lb·ft)‪

Inspection Cover on Flywheel Housing‪

25 (18)‪

Flywheel Housing Mounting Bolts (to cylinder block)‪

70 (52)‪

Vibration Damper Mounting Bolts (to crankshaft)‪

200 (148)‪

Table 24. Torque Values for Flywheel and Flywheel Housing

Max. Shaft Length, mm (in.)

Tightening Stage

Torque Value: N·m (lb·ft)

77.0 (3.03)‪

Stage 1‪

200 (147.5)‪

77.0 (3.03)‪

Stage 2‪

90 degrees‪

Table 25. Tightening Stages, Flywheel Mounting Bolts

Piston, Piston Ring and Connecting Rod

The piston projection specifications are listed in Table "Piston Projection Specifications" . The piston ring end-gap dimensions are listed in Table "Piston Ring End-Gap Dimensions" . Listed in Table "Piston Inspection Specifications" are the pistons inspection specifications. The tightening stages for the connecting rod stretch bolts are listed in Table "Tightening Stages, Connecting Rod Stretch Bolts" . The connecting rod dimensional tolerances are listed in Table "Connecting Rod Dimensional Tolerances" . Listed in Table "Connecting Rod Bearing Play Specifications" are the connecting rod bearing play specifications. The specifications for the diameter of the bearing bore are listed in Table "Bearing Bore Inside Diameter with Bearing Shells Installed" . Listed in Table "Bearing Journal Specifications" are the bearing journal specifications. The connecting rod bushing specifications are listed in Table "Bushing Specifications" .‪

Description‪

Specification: mm (in.)‪

Piston Projection (from TDC)‪

0.244 to 0.715 (0.0096 to 0.0281)‪

Table 26. Piston Projection Specifications

Ring Designation

Groove

Gap When New: mm (in.)

Maximum End Gap: mm (in.)

Keystone‪

I‪

0.45 to 0.60‪

(0.018 to 0.024)‪

1.0 (.039)‪

Taper-Faced with Internal Angle‪

II‪

0.40 to 0.55‪

(0.016 to 0.022)‪

1.0 (.039)‪

Double-Chamfered Oil Control with Garter Spring‪

III‪

0.40 to 0.55‪

(0.016 to 0.022)‪

1.0 (.039)‪

Table 27. Piston Ring End-Gap Dimensions

Description

Specification: mm (in.)

Piston Compression Height‪

79.50-79.55 (3.130-3.132)‪

Wrist Pin Bore Diameter‪

52.03-52.04 (2.0484-2.0488)‪

Wrist Pin Diameter‪

51.992-51.998 (2.0469-2.0472)‪

Table 28. Piston Inspection Specifications

Max. Shaft Length: mm (in.)‪

Tightening Stage‪

Torque Value: N·m (lb·ft)‪

68.5 (2.70)‪

Stage 1‪

100-115 (74-85)‪

Stage 2‪

additional 90-100°‪

Table 29. Tightening Stages, Connecting Rod Stretch Bolts

Description

Specification: mm (in.)

Length of Connecting Rod‪

255.970-256.030 (10.0775-10.0799)‪

Basic Bore Diameter for Connecting Rod Bearings‪

99.000-99.022 (3.8976-3.8985)‪

Maximum Permissible Out-of-Round in Bearing Bore‪

0.01 (0.0004)‪

Maximum Permissible Out-of-Round in Bushing Bore‪

0.01 (0.0004)‪

Maximum Difference in Axial Parallelism Between Bearing Bore and Bushing Inner Surface‪

0.030 (0.0012)‪

Width of Connecting Rod (at big end)‪

44.308-44.370 (1.7444-1.7468)‪

Width of Connecting Rod Journal‪

44.5-44.6 (1.75-1.76)‪

Distance from Connecting Rod Center Line for Measuring Parallelism‪

50 (2)‪

Table 30. Connecting Rod Dimensional Tolerances

Description

Specification: mm (in.)

Radial Play‪

0.054 - 0.116 (0.0021 - 0.0046)‪

End Play (axial play)‪

0.130 - 0.292 (0.0051 - 0.0115‪

Table 31. Connecting Rod Bearing Play Specifications

Repair Size: mm (in.)

Diameter: mm (in.)

Standard‪

94.054-94.096 (3.7029-3.7046)‪

Undersize - 0.1 (0.004)‪

93.954-93.996 (3.6990-3.7006)‪

Undersize - 0.25 (0.010)‪

93.804-93.846 (3.6931-3.6947)‪

Undersize - 0.50 (0.020)‪

93.554-93.596 (3.6832-3.6848)‪

Undersize - 0.75 (0.030)‪

93.304-93.346 (3.6764-6.6750)‪

Undersize - 1.00 (0.040)‪

93.054-93.096 (3.6635-3.6652)‪

Table 32. Bearing Bore Inside Diameter with Bearing Shells Installed

Repair Stage: mm (in.)

Diameter: mm (in.)

Standard‪

93.980-94.000 (3.7000-3.7007)‪

Undersize - 0.10 (0.004)‪

93.880-93.900 (3.6960-3.6968)‪

Undersize 0.25 (0.010)‪

93.730-93.750 (3.6901-3.6909)‪

Undersize 0.50 (0.020)‪

93.480-93.500 (3.6803-3.6811)‪

Undersize 0.75 (0.030)‪

93.230-93.250 (3.6705-3.6712)‪

Undersize 1.00 (0.040)‪

92.980-93.000 (3.6606-3.6614)‪

Table 33. Bearing Journal Specifications

Description

Specification: mm (in.)

Inside Diameter of Bushing‪

52.05-52.07 (2.049-2.050)‪

Outside Diameter of Bushing‪

57.080-57.100 (2.2472-2.2480)‪

Inside Diameter of Bushing Bore‪

57.000-57.019 (2.2441-2.2448)‪

Bushing Interference Fit‪

0.061-0.100 (0.0024-0.0039)‪

Maximum Permissible Out-of-Round in Bushing Bore‪

0.01 (0.0004)‪

Table 34. Bushing Specifications

Valves

The valve removal/installation specifications are listed in Table "Valve Removal/Installation Specifications for non-EGR and EGR engines" . The valve protrusion specifications are listed in Table "Valve Protrusion Limits" . The valve guide inside diameter measurements are listed in Table "Inside Diameter of Valve Guide" . The spring specifications for the intake and exhaust valves are listed in Table "Spring Specifications, Intake and Exhaust Valves" . The valve lift specifications are listed in Table "Valve Lift Specifications" . The measurements for valve lash checking are listed in Table "Valve Lash Checking and Adjustment" . The measurements for valve seat specifications for an EGR engine are listed in Table "Valve Seat Specifications for EGR Engine" .‪

Description‪

Intake: mm (in.)‪

Exhaust-EPA 98: mm (in.)‪

Exhaust-EPA 04: mm (in.)‪

Valve stem diameter (A)‪

8.935-8.950‪

(0.3518-0.3524)‪

8.925-8.940‪

(0.3514-0.3520)‪

8.925-8.940‪

(0.3514-0.3520)‪

Valve seat diameter at head contact surface (B)‪

42.0 (1.65)‪

39.0 (1.54)‪

39.0 (1.54)‪

Valve head diameter (C)‪

45.4-45.6 (1.79-1.80)‪

40.9-41.3 (1.61-1.63)‪

41.9-42.3 (1.65-1.67)‪

Valve seat height-new (D)‪

3.1-3.3 (0.12-0.13)‪

2.8-3.1 (0.11-0.12)‪

3.0-3.3 (0.12-0.13)‪

Minimum valve seat height-after grinding (D)‪

2.9 (0.11)‪

2.3 (0.09)‪

2.9 (0.11)‪

Valve seat width at valve head (E)‪

3.5-4.5 (0.14-0.18)‪

3.5-4.5 (0.14-0.18)‪

min. 3.5 (0.14)‪

Valve seat angle (F)‪

30 degrees‪

45 degrees‪

36 degrees‪

Valve length (G)‪

145.0 (5.71)‪

145.0 (5.71)‪

145.0 (5.71)‪

Table 35. Valve Removal/Installation Specifications for non-EGR and EGR engines

Valve Type

Description

Specification: mm (in.)

Intake‪

Normal‪

0.7-1.1 (0.03-0.04)‪

Intake‪

Wear Limit‪

1.6 (0.06)‪

Exhaust‪

Normal‪

0.7-1.1 (0.03-0.04)‪

Exhaust‪

Wear Limit‪

1.6 (0.06)‪

Table 36. Valve Protrusion Limits

Description

Specification: mm (in.)

Normal‪

9.000-9.022 (0.3543-0.3552)‪

Wear Limit‪

9.050 (0.3563)‪

Table 37. Inside Diameter of Valve Guide

Description

Specification: mm (in.)

Length, Without Load‪

69.7 (2.74)‪

Length, Under Load of 382-418 N·m (86-94 lb·ft)‪

49 (1.9)‪

Length, Under Load of 644-706 N·m (145-159 lb·ft)‪

37 (1.5)‪

Diameter of Spring Wire‪

4.2 (0.17)‪

Outside Diameter of Spring Coil‪

28.9 (1.14)‪

Inside Diameter of Spring Coil‪

24.5-24.9 (0.96-0.98)‪

Table 38. Spring Specifications, Intake and Exhaust Valves

Description

Specification: mm (in.)

Specified Dial Gauge Preload for Checking Valve Lift‪

15 (0.60)‪

Valve Lift with Intake Valves Completely Open (minimum)‪

11.546 (0.4546)‪

Valve Lift with Exhaust Valves Completely Open (minimum)‪

11.963 (0.4710)‪

Table 39. Valve Lift Specifications

Valve Type

Check For: mm (in.)

Adjust to: mm (in.)

Intake‪

0.30 to 0.60 (0.012 to 0.024)‪

0.40 (0.016)‪

Exhaust‪

0.50 to 0.80 (0.020 to 0.032)‪

0.60 (0.024)‪

Table 40. Valve Lash Checking and Adjustment

Description‪

Intake Valve, mm (in.)‪

Exhaust Valve-non-EGR: mm (in.)‪

Exhaust Valve-EGR: mm (in.)‪

Valve seat angle (E)‪

30 Degree‪

45 Degree‪

36 Degree‪

Valve seat surface diameter (G)‪

41.99-42.01(1.65-1.654‪

38.99-39.0 (1.535-1.535)‪

38.99-39.01(1.535-1.536)‪

Relative position (H) to diameter G‪

4.00-4.15 (0.157-0.163)‪

3.80-3.95 (0.15-0.16)‪

4.00-4.15 (0.157-0.163)‪

Table 41. Valve Seat Specifications for EGR Engine

Rocker Arm

The rocker arm mounting bolt specifications are listed in Table "Specifications, Rocker Arm Mounting Bolts" . Listed in Table "Rocker Arm Specifications" are the rocker arm specifications. Listed in Table "Rocker Arm Bushing Specifications" are the rocker arm bushing specifications.‪

Size

Max. Shaft Length: mm (in.)

Torque Value: N·m (lb·ft)

M12‪

91 (3.6)‪

60 (44) then an additional 90°‪

Table 42. Specifications, Rocker Arm Mounting Bolts

Description

Stage

Specification: mm (in.)

Outside Diameter of Valve Tappets‪

Normal‪

29.931-29.952 (1.1784-1.1792)‪

Outside Diameter of Valve Tappets‪

Repair Stage I‪

30.444-30.465 (1.1986-1.1994)‪

Diameter of Tappet Seats (in cylinder block)‪

Normal‪

30.000-30.021 (1.1811-1.1819)‪

Diameter of Tappet Seats (in cylinder block)‪

Repair Stage I‪

30.500-30.525 (1.2008-1.2018)‪

Total Length of Pushrods‪

345.0-346.5 (13.58-13.64)‪

Maximum Pushrod Warpage‪

0.5 (0.02)‪

Maximum Length of Rocker Arm Mounting Bolts‪

91 (3.6)‪

Table 43. Rocker Arm Specifications

Description

Specification: mm (in.)

Bushing Inside Diameter (when installed)‪

25.005-25.021 (0.9844-0.9851)‪

Shaft Diameter‪

24.967-24.980 (0.9830-0.9835)‪

Table 44. Rocker Arm Bushing Specifications

Camshaft and Camshaft Sensor

The camshaft specifications arelisted in Table "Camshaft Specifications" . The valve tappet specifications are listed in Table "Valve Tappet Specifications" . Listed in Table "Camshaft Torque Values" are the torque values for the camshaft.‪

What To Measure

Where To Measure

Value: mm (in.) Unless otherwise noted

Hardness of Surface‪

At Cams and Journals&#

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