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Cylinder Head & Valve Specs Guide

The document outlines repair and general OEM specifications for the cylinder head, valves, cylinder block, liners, pistons, and rods of PowerTech 10.5 L & 12.5 L Diesel Engines. It includes detailed measurements and specifications for various components, such as torque values, clearances, and dimensions. The document serves as a technical reference for maintenance and assembly of engine parts.

Uploaded by

Carlos Quiroz
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© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
0% found this document useful (0 votes)
286 views14 pages

Cylinder Head & Valve Specs Guide

The document outlines repair and general OEM specifications for the cylinder head, valves, cylinder block, liners, pistons, and rods of PowerTech 10.5 L & 12.5 L Diesel Engines. It includes detailed measurements and specifications for various components, such as torque values, clearances, and dimensions. The document serves as a technical reference for maintenance and assembly of engine parts.

Uploaded by

Carlos Quiroz
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 14

Repair and General OEM Specifications

Cylinder Head and Valves (Group 020)


Specifications

Item Measurement Specification

Rocker Arm Cover Hold-Down Cap Torque 30 N•m (22 lb-ft)


Screws1

Crankcase Vent Baffle-to-Rocker Torque 15 N•m (11 lb-ft) (133 lb-in.)


Arm Cover Cap Screws

Valve Stem-to-Bridge Clearance


(Engine Cold)

Intake Valve Clearance 0.58 ± 0.05 mm (0.023 ± 0.002 in.)

Exhaust Valve Clearance 1.08 ± 0.05 mm (0.043 ± 0.002 in.)

Intake and Exhaust Valve Adjusting Torque 50 N•m (37 lb-ft)


Screw Lock Nuts

Electronic Unit Injector Preload 0.00 mm (in.) clearance plus 1/2 turn
in (180°)

Electronic Unit Injector Adjusting Torque 65 N•m (48 lb-ft)


Screw Lock Nuts 06
200
Timing Pin Plug (Below Oil Cooler) Torque 33 N•m (24 lb-ft) 5

Rocker Arm Bushing ID 38.064 ± 0.013 mm (1.4986 ± 0.0005


in.)

Rocker Arm Shaft OD 38.000 ± 0.013 mm (1.4961 ± 0.0005


in.)

Rocker Arm Shaft-to-Bushing Oil Clearance 0.064 ± 0.026 mm (0.0025 ± 0.0010


in.)

Rocker Arm Shaft Intake and OD 39.995—40.045 mm (1.5746—


Exhaust Roller 1.5766 in.)

Rocker Arm Shaft Unit Injector Roller OD 37.995—38.045 mm (1.4959—


1.4978 in.)

Intake and Exhaust Valves Recess 1.85—2.35 mm (0.073—0.093 in.)

1
Tighten center cap screw first, then tighten sides.
Continued on next page OUO1004,0000BC6 –19–19SEP02–1/4

CTM100 (30AUG07) 06-200-5 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=417
Repair and General OEM Specifications

Item Measurement Specification

Intake and Exhaust Valve Springs Height at 0 N (0 lb-force) Free 67.9—72.1 mm (2.67—2.84 in.)
(All)2 Length

Intake and Exhaust Valve Springs Height at 352—396 N (79—89 59.4 mm (2.34 in.)
(R116585) lb-force) (Valve Closed)

Intake and Exhaust Valve Springs Height at 845—935 N (190-210 45.5 mm (1.79 in.)
(R116585) lb-force) (Valve Open)

Intake and Exhaust Valve Springs Height at 527—593 N (118—133 59.4 mm (2.34 in.)
(R133891) lb-force) (Valve Closed)

Intake and Exhaust Valve Springs Height at 1187—1313 N (267—295 46.4 mm (1.83 in.)
(R133891) lb-force) (Valve Open)

Intake and Exhaust Valve Stems OD 8.999 ± 0.013 mm (0.3543 ± 0.0005


in.)

Intake and Exhaust Valve Face3 Maximum Runout 0.038 mm (0.0015 in.)

Intake and Exhaust Valve Head OD 46.35—46.61 mm (1.825—1.835 in.)

Intake and Exhaust Valve Face Angle 29.25° ± 0.25°

Cylinder Head Maximum Acceptable Out-of-Flat for 0.10 mm (0.004 in.)


06
200 Entire Length of Head
6 Maximum Acceptable Out-of-Flat for 0.025 mm (0.0009 in.)
Every 305 mm (12.0 in.)

Cylinder Head (Rocker Arm New Part Thickness 124.975—125.025 mm (4.9203—


Cover-to-Combustion Face) 4.9222 in.)
Minimum Acceptable Thickness 124.840 mm (4.9150 in.)

Cylinder Head (Rocker Arm Minimum Overall Thickness 124.840 mm (4.9150 in.)
Cavity-to-Combustion Face)

Cylinder Head Combustion Face Surface Finish 1.5—2.8 micrometers (60—110


Surface Finish (Surface Mill Only) micro-in.)
(AA)

2
Free length of springs may vary slightly between springs.

3
Maximum runout measured at 44 mm (1.73 in.) diameter.

Continued on next page OUO1004,0000BC6 –19–19SEP02–2/4

CTM100 (30AUG07) 06-200-6 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=418
Repair and General OEM Specifications

Item Measurement Specification

Cylinder Head Maximum Wave Height 0.008 micrometers (0.0002 micro-in.)


Maximum Wave Width 2.0 micrometers (79 micro-in.)

Valve Guide ID 9.102 ± 0.013 mm (0.3583 ± 0.0005


in.)

Valve Stem OD 8.999 ± 0.013 mm (0.3543 ± 0.0005


in.)

Valve Stem-to-Guide Clearance 0.077—0.129 mm (0.0030—0.0050


in.)

Valve Guide Bore in Head ID 14.94 ± 0.02 mm (0.5882 ± 0.0008


in.)

Valve Guide Installed Height 14.5—15.5 mm (0.57—0.61 in.)

Valve Seat Grinding Contact Angle 30°


Width 1.50—2.00 mm (0.059—0.079 in.)
Maximum Runout 0.16 mm (0.006 in.)

Intake and Exhaust Valve Seat Bore ID 49.424 ± 0.013 mm (1.9458 ± 0.0005
in.)
Bore Depth 11.25 mm (0.443 in.)
Radius at Lower Bore 0.64 ± 0.25 mm (0.025 ± 0.001 in.)
06
200
Standard Intake and Exhaust Valve OD 49.487—49.513 mm (1.9483— 7
Seat 1.9493 in.)

Fuel Temperature Sensor Torque 10 N•m (7.5 lb-ft)

Fuel Lines Torque 24 N•m (18 lb-ft)

Cylinder Liner Height Above Block (Standout) 0.030—0.117 mm (0.0012—0.0046


in.)

Cylinder Liner Max. Height Difference at Nearest 0.051 mm (0.0020 in.)


Point of Two Adjacent Liners or
Within One Liner

Cylinder Head4

Step 1—No. 17 Cap Screw Initial Torque 100 N•m (74 lb-ft)

4
See INSTALL CYLINDER HEAD later in this group for proper torque
sequence.
Continued on next page OUO1004,0000BC6 –19–19SEP02–3/4

CTM100 (30AUG07) 06-200-7 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=419
Repair and General OEM Specifications

Item Measurement Specification

Step 2—All Cap Screws (Nos. 1— Initial Torque 163 N•m (120 lb-ft)
26)

Step 3—Wait 5 Minutes and Verify Torque 163 N•m (120 lb-ft)
All Cap Screws (Nos. 1—26)

Step 4—All Cap Screws (Nos. 1— Initial Torque-Turn 90°


26)

Step 5—All Cap Screws (Nos. 1— Final Torque-Turn 90°


26)5

Rocker Arm Shaft Hold-Down Clamp Initial Torque 30 N•m (22 lb-ft)
Cap Screws (All Engines)

Rocker Arm Shaft Hold-Down Clamp Final Torque-Turn 60° ± 5°


Cap Screws (Dual Rail Fuel System)

Rocker Arm Shaft Hold-Down Clamp Final Torque-Turn 90° + 10° — 0°


Cap Screws (Single Rail Fuel
System)

Unit Injector Wiring Harness Torque 25 N•m (18 lb-ft)


Bracket-to-Rear of Head
06
200
8 Unit Injector Wiring Harness Torque 3.0 N•m (27 lb-in.)
Solenoid Wire Retaining Nut6

Unit Injector Harness Clips-to-Rocker Torque 35 N•m (26 lb-ft)


Arm Shaft Clamps

5
Total torque-turn for steps 4 and 5 is 180°.

6
Apply LOCTITE 222 (TY24311) Thread Lock and Sealer (Low Strength)
to nut only.

OUO1004,0000BC6 –19–19SEP02–4/4

CTM100 (30AUG07) 06-200-8 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=420
Repair and General OEM Specifications

Cylinder Block, Liners, Pistons and Rods


(Group 030) Specifications

Item Measurement Specification

Front Plate-to-Cylinder Block Cap Torque 50 N•m (37 lb-ft)


Screws

Crankshaft Timing Pin Plug Torque 33 N•m (24 lb-ft)

Cylinder Liner Cap Screws (For Torque 68 N•m (50 lb-ft)


Checking Liner Standout)

Cylinder Liner Height (Standout) Height Above Block 0.030—0.117 mm (0.0012—0.0046


in.)
Maximum Permissible Height 0.05 mm (0.002 in.)
Difference at Nearest Point of Two
Adjacent Liners or Within One Liner

Cylinder Liner Shims Available Thickness 0.05 mm (0.002 in.)


Thickness 0.10 mm (0.004 in.)

Cylinder Liner Wall Thickness 9.39—9.43 mm (0.370—0.371 in.)

Cylinder Liner Packing Step Dimension 2.14—2.30 mm (0.084—0.090 in.)

Cylinder Liners 06
200
Flange Area OD 151.565—151.615 mm (5.9671— 9
5.9691 in.)

Upper OD for Seating Liner OD 145.795—145.845 mm (5.7400—


5.7419 in.)

Water Jacket Area OD 144.73—144.99 mm (5.698—5.708


in.)

Lower OD for Seating with OD 140.397—140.447 mm (5.5274—


O-Rings 5.5294 in.)

No. 1 Piston Compression Ring End Gap 0.43—0.69 mm (0.017—0.027 in.)


(4-mm Rings)

No. 2 Piston Compression Ring End Gap 1.01—1.27 mm (0.040—0.050 in.)


(4-mm Rings)

Continued on next page OUO1004,0000BCF –19–02NOV00–1/5

CTM100 (30AUG07) 06-200-9 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=421
Repair and General OEM Specifications

Item Measurement Specification

No. 1 Piston Compression Ring End Gap 0.48—0.74 mm (0.019—0.029 in.)


(3-mm Rings)

No. 2 Piston Compression Ring End Gap 1.35—1.65 mm (0.053—0.065 in.)


(3-mm Rings)

Oil Control Ring-to-Groove Clearance 0.064—0.114 mm (0.0025—0.0045


(RE52836, RE504801, RE66125 in.)
Pistons) Maximum Clearance 0.165 mm (0.0065 in.)

Oil Control Ring-to-Groove Clearance 0.041—0.091 mm (0.0016—0.0036


(RE504343, RE503969 and in.)
RE505901 Pistons) Maximum Clearance 0.132 mm (0.0052 in.)

Piston Pin OD 50.772—50.787 mm (1.9989—


1.9995 in.)

Piston Pin Bore in Piston (6105) ID 50.795—50.805 mm (1.9998—


2.0002 in.)

Piston Skirt Bushing (6125) ID 50.798—50.808 mm (1.9999—


2.0003 in.)

Piston Crown Bushing (6125) ID 50.810—50.825 mm (2.0004—


2.0010 in.)
06
200
10 Piston Skirt (6105) OD 29.97 mm (1.180 in.) from 126.872—126.898 mm (4.9950—
Bottom of Piston 4.9960 in.)

Piston Skirt (6125) OD 35.0 mm (1.380 in.) from Bottom 126.910—126.930 mm (4.9965—
of Skirt 4.9972 in.)

Cylinder Liner ID 126.990—127.010 mm (4.9996—


5.0004 in.)
Max. Out of Round 0.020 mm (0.0008 in.)
Max. Wear or Taper (Ring Travel 0.030 mm (0.0012 in.)
Area)

Piston-to-Liner Clearance (New Part Clearance 0.092—0.138 mm (0.0036—0.0054


6105) in.)
Max. Acceptable Wear 0.152 mm (0.0060 in.)

Piston-to-Liner Clearance (New Part Clearance 0.060—0.100 mm (0.0024—0.0039


6125) in.)
Max. Acceptable Wear 0.152 mm (0.0060 in.)

Continued on next page OUO1004,0000BCF –19–02NOV00–2/5

CTM100 (30AUG07) 06-200-10 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=422
Repair and General OEM Specifications

Item Measurement Specification

Cylinder Liner Flange Thickness 9.525—9.575 mm (0.3750—0.3770


in.)

Tongue-and-Groove Connecting Rod Initial Torque 27 N•m (20 lb-ft)


Cap Screw

Tongue-and-Groove Connecting Rod Final Torque 75 N•m (55 lb-ft) plus 90—100° turn
Cap Screw clockwise

PRECISION JOINT Connecting Torque 140 N•m (103 lb-ft) plus 90—100°
Rod Cap Screw turn clockwise

Crankshaft Rod Journal OD 88.844—88.874 mm (3.4980—


3.4990 in.)

Connecting Rod Bearing for ID 88.93—88.98 mm (3.501—3.502 in.)


Crankshaft Journal (Assembled)

Connecting Rod Bearing-to-Journal Oil Clearance 0.06—0.13 mm (0.002—0.005 in.)


(New Part) Max. Oil Clearance 0.15 mm (0.006 in.)

Connecting Rod Bore (For ID 93.76—93.79 mm (3.6915—3.6925


Crankshaft Journal Bearing) in.)

Connecting Rod Centerline of Piston Dimension 263.95—264.05 mm (10.392—


06
Pin Bore-to-Crankshaft Bore (New 10.396 in.) 200
Part) 11

Rod Pin Bore Without Bushing ID 55.529—55.555 mm (2.1862—


2.1872 in.)

Installed Rod Pin Bushing (Before ID 50.729—50.781 mm (1.9972—


Boring) 1.9992 in.)

Installed Rod Pin Bushing (After ID 50.805—50.830 mm (2.0002—


Boring) 2.0012 in.)

Piston Pin Bushing Bore Out-of-Round 0.038 mm (0.0015 in.)

Piston Pin-to-Bushing Oil Clearance 0.017—0.059 mm (0.0007—0.0023


in.)
Max. Acceptable Wear 0.076 mm (0.0030 in.)

Press Fit of Bushing in Rod Pin Bore Press Fit 0.100—0.163 mm (0.0039—0.0064
in.)

PRECISION JOINT is a trademark of Deere & Company Continued on next page OUO1004,0000BCF –19–02NOV00–3/5

CTM100 (30AUG07) 06-200-11 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=423
Repair and General OEM Specifications

Item Measurement Specification

Connecting Rod Pin Bushing Bore ID 55.529—55.555 mm (2.1862—


(Without Bushing) 2.1872 in.)

Connecting Rod Pin Bushing Press Fit in Rod Pin Bore 0.100—0.163 mm (0.0039—0.0064
in.)

Piston Pin Bushing (After Boring) ID 50.805—50.830 mm (2.0002—


2.0012 in.)

Piston Pin OD 50.772—50.787 mm (1.9989—


1.9995 in.)

Piston Pin-to-Bushing Clearance 0.017—0.059 mm (0.0007—0.0023


in.)

Cylinder Liner Flange Counterbore Depth in Block 9.461—9.512 mm (0.3725—0.3745


in.)

Cylinder Liner Flange Thickness 9.525—9.575 mm (0.3750—0.3770


in.)

Main and Thrust Bearings Assembled ID Without Bearings 133.097—133.123 mm (5.2400—


5.2410 in.)
Main Bearing Surface Width 37.77—38.03 mm (1.487—1.497 in.)
Thrust Bearing Surface Width (No. 5 37.51—38.29 mm (1.476—1.507 in.)
06
200 Main)
12 Overall Thrust Bearing Cap Width 43.25—43.75 mm (1.703—1.722 in.)

Cylinder Block Top Deck Surface Surface Finish (Surface Mill Only) 3.2 micrometers (125 micro-in.)
Finish Max. Wave Height 0.008 micrometers (0.0002 micro-in.)
Max. Wave Depth 2.0 micrometers (79 micro-in.)

Main Bearing Bore Centerline-to-Top Minimum Distance 429.92—430.07 mm (16.926—


Deck 16.932 in.)

Cylinder Block Bore for Seating Liner

Liner Flange Counterbore ID 153.57—153.77 mm (6.046—6.054


in.)

Upper Block Bore for Seating Liner ID 145.845—145.895 mm (5.7419—


5.7439 in.)

Lower Block Bore for Seating Liner ID 140.465—140.515 mm (5.5301—


5.5321 in.)

Continued on next page OUO1004,0000BCF –19–02NOV00–4/5

CTM100 (30AUG07) 06-200-12 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=424
Repair and General OEM Specifications

Item Measurement Specification

Cylinder Liner Standout Height Above Block 0.030—0.117 mm (0.0012—0.0046


in.)

Cylinder Liner Shims Available Thickness 0.05 mm (0.002 in.)


Thickness 0.10 mm (0.004 in.)

Piston (Early Engines) Protrusion Above Block Deck 0.229—0.787 mm (0.009—0.031 in.)

Piston (RE505901) (Later 12.5 L Protrusion Above Block Deck 0.079—0.637 mm (0.003—0.025 in.)
Engines)

Piston Spray Jet Cap Screws Torque 15 N•m (11 lb-ft)

Oil Gallery Plug Torque 20 N•m (15 lb-ft)

Main Oil Gallery (Front) Expansion Installed Depth Flush—1.5 mm (0.059 in.) Below
Plug Surface

OUO1004,0000BCF –19–02NOV00–5/5
06
200
13

CTM100 (30AUG07) 06-200-13 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=425
Repair and General OEM Specifications

Crankshaft, Main Bearings and Flywheel


(Group 040) Specifications

Item Measurement Specification

Vibration Damper Maximum Radial Runout 0.76 mm (0.030 in.)

Crankshaft End Play 0.038—0.380 mm (0.0015—0.0150


in.)

SAE 1 Flywheel Housing Maximum Face Deviation 0.30 mm (0.012 in.)


Maximum Bore Eccentricity 0.30 mm (0.012 in.)

SAE 2 Flywheel Housing Maximum Face Deviation 0.28 mm (0.011 in.)


Maximum Bore Eccentricity 0.28 mm (0.011 in.)

SAE 0 Flywheel Housing Maximum Face Deviation 0.41 mm (0.016 in.)


Maximum Bore Eccentricity 0.41 mm (0.016 in.)

Flywheel Face Flatness Maximum Variation 0.23 mm (0.009 in.)


Maximum Variation per 25 mm (1.0 0.013 mm (0.0005 in.)
in.) of Travel

Flywheel Housing-to-Cylinder Block Torque 325 N•m (240 lb-ft)


Cap Screws (SAE 1 With Rear PTO)

06 Flywheel Housing-to-Cylinder Block Torque 365 N•m (270 lb-ft)


200 Cap Screws (SAE 0, 1 and 2 Without
14 Rear PTO)

Flywheel Housing Front Plate Cap Torque 50 N•m (37 lb-ft)


Screws

Flywheel Housing Timing Hole Cover Torque 5 N•m (44 lb-in.)


Cap Screws

Starter Motor Cap Screws Torque 125 N•m (92 lb-ft)

Flywheel-to-Crankshaft Cap Screws Torque 170 N•m (125 lb-ft)

Crankshaft Main Bearings Main Bearing-to-Journal Clearance 0.046—0.122 mm (0.0018—0.0048


in.)
Maximum Acceptable Oil Clearance 0.152 mm (0.0060 in.)

Crankshaft Main Bearing ID With Bearing 125.071—125.127 mm (4.9241—


4.9263 in.)
ID Without Bearing 133.097—133.123 mm (5.2400—
5.2411 in.)

Continued on next page OUO1004,0000BD3 –19–23JUN06–1/3

CTM100 (30AUG07) 06-200-14 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=426
Repair and General OEM Specifications

Item Measurement Specification

Crankshaft Main Bearing Journal OD 124.983—125.017 mm (4.9206—


4.9219 in.)

Crankshaft Main Journal Max. Out-of-Round 0.025 mm (0.0010 in.)


Max. Taper per 25.4 mm (1.0 in.) of 0.0025 mm (0.0001 in.)
Journal Length

Main Bearing Cap Bore ID Without Bearings 133.097—133.123 mm (5.2400—


Specifications 5.2411 in.)
Max. Bore Diameter Variation 0.013 mm (0.0005 in.)
Max. Bore Diameter Taper 0.005 mm (0.0002 in.)
Max. Straightness (Any 0.038 mm (0.0015 in.)
Bore-to-Adjacent Bore)
Max. Straightness (5 Center 0.076 mm (0.0030 in.)
Bores-to-Adjacent Bore)
Centerline of Bore-to-Top Deck 429.92—430.07 mm (16.926—
16.932 in.)

Crankshaft Main Bearing Cap Surface Width 39.75—40.25 mm (1.565—1.585 in.)

Crankshaft Main Bearings Available Undersize 0.25, 0.50 mm (0.010, 0.020 in.)

Oversize Thrust Washers Available Thickness 0.18 mm (0.007 in.)

Thrust Bearing New Part Thrust Washer Clearance Base 162.24—163.76 mm (6.387—6.447
06
Specifications Circle in.) 200
Thrust Surface Width 42.05—42.12 mm (1.656—1.658 in.) 15
Relief Angle 45°
Bearing Cap Overall Width 43.46 mm (1.711 in.)
Thrust Surface Maximum Runout 0.025 mm (0.0010 in.)

Crankshaft Main Bearing Cap Initial Torque 68 N•m (50 lb-ft)


Screws

Crankshaft Main Bearing Cap Final Torque 320 N•m (236 lb-ft)
Screws

Rear Oil Seal Housing Cap Screws Torque 25 N•m (18 lb-ft)

Rear Oil Seal-to-Housing Cap Torque 15 N•m (11 lb-ft)


Screws

Continued on next page OUO1004,0000BD3 –19–23JUN06–2/3

CTM100 (30AUG07) 06-200-15 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=427
Repair and General OEM Specifications

Item Measurement Specification

Timing Gear Cover Cap Screws Initial Torque 45 N•m (33 lb-ft)
(Early Engines Only)1

Timing Gear Cover Cap Screws Final Torque 63 N•m (46 lb-ft)

Camshaft Gear Access Cover Cap Initial Torque 50 N•m (37 lb-ft)
Screws (Early Engines Only)1

Camshaft Gear Access Cover Cap Final Torque 68 N•m (50 lb-ft)
Screws

Adjustable Fan Drive Assembly Torque 90 N•m (66 lb-ft)


Mounting Cap Screws

Damper Hub Cap Screws Torque 125 N•m (92 lb-ft)

Pulley-to-Damper Cap Screws Torque 125 N•m (92 lb-ft)

Front Oil Seal Cap Screws Torque 15 N•m (11 lb-ft)

06
200
16

1
Initial torque is required only on early timing gear covers using Fel-Pro
gaskets with sealant.
OUO1004,0000BD3 –19–23JUN06–3/3

CTM100 (30AUG07) 06-200-16 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=428
Repair and General OEM Specifications

Camshaft and Timing Gear Train (Group 050)


Specifications

Item Measurement Specification

Camshaft Gear Retainer Initial Torque 100 N•m (74 lb-ft)


Plate-to-Camshaft Second Torque 150 N•m (110 lb-ft)
Final Retorque 150 N•m (110 lb-ft)

Camshaft Gear-to-Upper Idler Gear Backlash 0.13 mm (0.005 in.)

Oil Pump Gear-to-Upper Idler Gear Backlash 0.25 mm (0.010 in.)

Upper Idler Gear Bearing Torque 85 N•m (63 lb-ft)


Cup-to-Block

Upper Idler Gear Thrust Plate Cap Initial Torque 35 N•m (26 lb-ft)
Screws

Upper Idler Gear Thrust Plate Cap Final Torque 35 N•m (26 lb-ft)
Screws

Camshaft and Supply Pump Drive Torque 4 N•m (3 lb-ft)


Coupler Set Screw

Fuel Supply Pump-to-Cylinder Head Torque 50 N•m (37 lb-ft)


06
Camshaft Thrust Ring-to-Head Torque 35 N•m (26 lb-ft) 200
17
Camshaft Position Sensor Torque 14 N•m (10 lb-ft)

Camshaft Journal OD 101.987—102.013 mm (4.0152—


4.0162 in.)

Camshaft Bushing ID 102.091—102.167 mm (4.0193—


4.0223 in.)

Camshaft Journal-to-Bushing Oil Clearance 0.078—0.180 mm (0.0031—0.0071


in.)

Camshaft Bushing Bore in Head 105.987—106.013 mm (4.1727—


4.1737 in.)

Camshaft Lobe:

Intake Lobe Lift 8.73—8.99 mm (0.343—0.353 in.)

Exhaust Lobe Lift 7.93—8.19 mm (0.312—0.322 in.)

Continued on next page OUO1004,0000BD7 –19–02NOV00–1/2

CTM100 (30AUG07) 06-200-17 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=429
Repair and General OEM Specifications

Item Measurement Specification

EUI Lobe 10.5 L Engines and 12.5 Lift 14.16—14.42 mm (0.557—0.567 in.)
L Engine ( —29999)

EUI Lobe 12.5 L Engine S.N. Lift 16.09—16.35 mm (0.633—0.643 in.)


(30000— )

SAE “A” Front Auxiliary Drive Torque 50 N•m (37 lb-ft)


Adapter Housing Nuts

SAE “A” Front Auxiliary Drive Idler Torque 220 N•m (162 lb-ft)
Gear Support Bushing

SAE “B” Rear Auxiliary Drive Adapter Torque 110 N•m (81 lb-ft)

SAE “B” Rear Auxiliary Drive Adapter Torque 110 N•m (81 lb-ft)

SAE “A” Front Auxiliary Drive Torque 50 N•m (37 lb-ft)


Adapter Housing Nuts

OUO1004,0000BD7 –19–02NOV00–2/2
06
200
18

CTM100 (30AUG07) 06-200-18 POWERTECH 10.5 L & 12.5 L Diesel Engines


083007

PN=430

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