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Engine Mechanical - 6.6L (LB7) (Introduction): Specifications Chevrolet Silverado 3500

Mechanical 17 illustrations ~145 words

Fastener Tightening Specifications

ApplicationSpecification
MetricEnglish
A/C Compressor Bolt50 N.m37 lb ft
Air Cleaner Outlet Duct Clamp8 N.m71 lb in
Air Conditioning Compressor/Power Steering Pump Bracket Bolt46 N.m34 lb ft
Battery Cable Bracket Bolt12 N.m106 lb in
Battery Cable Bracket Nut8 N.m71 lb in
Bypass Pipe Bolt21 N.m15 lb ft
Camshaft Gear Bolt234 N.m173 lb ft
Camshaft Position Sensor Bolt10 N.m89 lb in
Camshaft Position Sensor Exciter Ring Bolt9 N.m80 lb in
Camshaft Thrust Plate Bolt22 N.m16 lb ft
Charged Air Cooler Bolt21 N.m15 lb ft
Charged Air Cooler Clamp8 N.m71 lb in
Connecting Rod Cap Bolt - Angular Tightening Method1st Step 64 N.m1st Step 47 lb ft
2nd Step 30 degrees2nd Step 30 degrees
3rd Step 30 degrees3rd Step 30 degrees
Coolant Pipe to Water Pump Nut25 N.m18 lb ft
Cooling Fan Pulley41 N.m30 lb ft
Crankshaft Balancer Bolt353 N.m260 lb ft
Crankshaft Bearing Cap Bolt - Angular Tightening Method1st Step 98 N.m1st Step 72 lb ft
2nd Step 132 N.m2nd Step 97 lb ft
3rd Step 30 degrees3rd Step 30 degrees
Crankshaft Bearing Cap Side Bolt78 N.m58 lb ft
Crankshaft Position Sensor Bolt10 N.m89 lb in
Crankshaft Position Sensor Spacer Bolt10 N.m89 lb in
Crossmember Bolt100 N.m74 lb ft
Cylinder Head M12 Bolt - Angular Tightening Method1st Step 50 N.m1st Step 37 lb ft
2nd Step 80 N.m2nd Step 59 lb ft
3rd Step 60 degrees
4th Step 60 degrees
Cylinder Head M8 Bolt25 N.m18 lb ft
Drive Belt Tensioner Pulley Bolt41 N.m30 lb ft
EGR Bolt - California Emissions20 N.m15 lb ft
EGR Bracket Bolt - California Emissions20 N.m15 lb ft
EGR Valve Nut - California Emissions19 N.m14 lb ft
Engine Block Coolant Plug18 N.m13 lb ft
Engine Block Ground Bolt34 N.m25 lb ft
Engine Mount Through Bolt to Frame75 N.m55 lb ft
Engine Mount to Block Bolts58 N.m43 lb ft
Engine Mount to Frame Bolt65 N.m48 lb ft
Engine Shield Bolt20 N.m15 lb ft
Exhaust Heat Shield Nut9 N.m80 lb in
Exhaust Manifold Bolt/Nut38 N.m28 lb ft
Exhaust Manifold Heat Shield Bolts8 N.m71 lb in
Exhaust Outlet Heat Shield Bolts8 N.m71 lb in
Exhaust Outlet Pipe Bolt53 N.m39 lb ft
Exhaust Pipe Bolt53 N.m39 lb ft
Exhaust Pipe Bracket Bolt34 N.m25 lb ft
Exhaust Pipe Clamp40 N.m30 lb ft
Exhaust Pipe Heat Shield Bolts8 N.m71 lb in
Fan Pulley Bracket Bolt46 N.m34 lb ft
Flywheel Bolt - Angular Tightening Method1st Step 79 N.m1st Step 58 lb ft
2nd Step 60 degrees2nd Step 60 degrees
3rd Step 60 degrees3rd Step 60 degrees
Flywheel Housing Bolt - Black Circle Mark80 N.m60 lb ft
Flywheel Housing to Upper Oil Pan Bolt - Black Triangle Mark50 N.m37 lb ft
Front Engine Cover Bolt21 N.m15 lb ft
Fuel Block Bolt25 N.m18 lb ft
Fuel Filter Bracket Bolt21 N.m15 lb ft
Fuel Injection Control Module Bolt20 N.m15 lb ft
Fuel Injection Control Module Bracket Bolt21 N.m15 lb ft
Fuel Injection Control Module Connector Bolt10 N.m89 lb in
Fuel Injection Control Module Connector Bracket Bolt21 N.m15 lb ft
Fuel Injection Control Module Cooler Eye Bolt27 N.m20 lb ft
Fuel Injection Pipe Nut41 N.m30 lb ft
Fuel Inlet Pipe Bracket Bolt21 N.m15 lb ft
Fuel Pipes Bracket Bolt25 N.m18 lb ft
Fuel Rail Assembly Bolt25 N.m18 lb ft
Fuel Rail Connector45 N.m33 lb ft
Fuel Return Pipe Eye Bolt - Cylinder Head Side17 N.m12 lb ft
Fuel Return Pipe Eye Bolt - Injector Side16 N.m12 lb ft
Fuel Return Pipe Sleeve Nut41 N.m30 lb ft
Fuel Return Sleeve Unit41 N.m30 lb ft
Fuel Injection Pump Assembly to Cylinder Block Bolt21 N.m15 lb ft
Fuel Injection Pump to Bracket Bolt21 N.m15 lb ft
Fuel Injection Pump Drive Gear Nut70 N.m52 lb ft
Fuel Line Bracket Nut21 N.m15 lb ft
Fuel Temperature Sensor Eye Bolt15 N.m11 lb ft
Function Block Nut25 N.m18 lb ft
Function Block to Injection Pipe Nut41 N.m30 lb ft
Generator Bracket Bolt50 N.m37 lb ft
Generator Positive Cable Nut9 N.m80 lb in
Glow Plug18 N.m13 lb ft
Glow Plug Connector Nut2 N.m18 lb in
Glow Plug Power Feed Nut15 N.m11 lb ft
Glow Plug Relay Assembly Bolt25 N.m18 lb ft
Heater Outlet Pipe/Nose Bolt25 N.m18 lb ft
Heater Outlet Pipe/Hose Nut9 N.m80 lb in
Heater Pipe Bolt21 N.m15 lb ft
Hood Hinge Bolt25 N.m18 lb ft
Idle Pulley Bolt/Screw37 N.m27 lb ft
Injector Bracket Bolt50 N.m37 lb ft
Injector Harness Bracket Bolt9 N.m80 lb in
Injector Terminal Nut2 N.m18 lb in
Injector Pipe Lock Plate Screws4 N.m35 lb in
Intake Air Heater50 N.m37 lb ft
Intake Air Heater Terminal Nut4 N.m35 lb in
Intake Manifold Bolts/Nuts21 N.m15 lb ft
Intake Manifold Tube Bolts/Nuts9 N.m80 lb in
Oil Cooler Adapter Bolts21 N.m15 lb ft
Oil Cooler Adapter Nuts25 N.m18 lb ft
Oil Cooler Assembly Bolts25 N.m18 lb ft
Oil Cooler Adapter Stud10 N.m89 lb in
Oil Drain Plug84 N.m62 lb ft
Oil Fill Tube Bolt21 N.m15 lb ft
Oil Filter24 N.m18 lb ft
Oil Gallery Plugs53 N.m39 lb ft
Oil Level Indicator Tube Bolt21 N.m15 lb ft
Oil Level Sensor Bolt10 N.m89 lb in
Oil Pan Bolts/Nuts - Lower10 N.m89 lb in
Oil Pan Bolt - Upper20 N.m15 lb ft
Oil Pan Skid Plate Bolt20 N.m15 lb ft
Oil Pressure Sensor Unit30 N.m22 lb ft
Oil Pressure Relief Valve39 N.m29 lb ft
Oil Pump Bolt21 N.m15 lb ft
Oil Pump Driven Gear Nut100 N.m74 lb ft
Oil Pump Gear Cover Bolt21 N.m15 lb ft
Oil Strainer Bolts/Nuts25 N.m18 lb ft
Piston Cooling Nozzle Eye Bolt21 N.m15 lb ft
Positive Cable Junction Block Bracket to Power Steering Pump Bolt9 N.m80 lb in
Positive Crankcase Ventilation Cover Screws4 N.m35 lb in
Positive Crankcase Ventilation Oil Separator Bracket Nut25 N.m18 lb ft
Power Steering Pump Bracket Bolt50 N.m37 lb ft
Power Steering Pump Bolt50 N.m37 lb ft
Power Steering Pump Bracket Bolt46 N.m34 lb ft
Rocker Arm Shaft Bracket Bolt41 N.m30 lb ft
Starter Motor Bolt78 N.m58 lb ft
Transmission Fill Tube Nut18 N.m13 lb ft
Thermostat Housing Bolts/Nuts25 N.m18 lb ft
Thermostat Cover Bolt21 N.m15 lb ft
Torque Converter Bolt60 N.m44 lb ft
Transmission Oil Cooler Clip Nut9 N.m80 lb in
Turbocharger Bolt108 N.m80 lb ft
Turbocharger Boost Sensor Bolt10 N.m89 lb in
Turbocharger Coolant Outlet Pipe Bracket Bolts21 N.m15 lb ft
Turbocharger Heat Shield Bolts9 N.m80 lb in
Turbocharger Inlet Duct to Turbocharger Bolt9 N.m80 lb in
Turbocharger Oil Return Pipe Stud10 N.m89 lb in
Turbocharger Oil Supply Hose Eye Bolt34 N.m25 lb ft
Turbocharger Oil Return Pipe Bolts/Nuts21 N.m15 lb ft
Turbocharger Thermostatic Coolant Valve60 N.m44 lb f
Upper Oil Pan to Flywheel Housing Screws20 N.m15 lb ft
Vacuum Pump Nuts - California Emissions22 N.m16 lb ft
Valve Adjusting Screw Nut22 N.m16 lb ft
Valve Lifter Holdown Bracket Bolt11 N.m97 lb in
Valve Rocker Arm Cover Bolt - Lower10 N.m89 lb in
Valve Rocker Arm Cover Bolt - Upper8 N.m (Two Times)71 lb in (Two Times)
Water Outlet Bolts25 N.m18 lb ft
Water Pump Bolt21 N.m15 lb ft

Fastener Tightening Specifications

Engine Mechanical Specifications

ApplicationSpecification
MetricEnglish
General
Engine Type90 degree V-8
Displacement6.6 Liter402 cu in
RPOLB7
Bore103 mm4.0551 in
Stroke99 mm3.8976 in
Compression Ratio17.5:1
Engine Compression Test - Minimum2069 KPa300 psi
Idle Speed680 RPM
Firing Order1-2-7-8-4-5-6-3
Block
Cylinder Bore Diameter - Service Limits103.11 mm4.0594 in
Cylinder Bore Diameter - Production Value103.0-103.014 mm4.0551-4.0557 in
Cylinder Bore Out-of-Round - Production Value0.015 mm0.0006 in
Cylinder Bore Taper - Production Value0.015 mm0.0006 in
Camshaft
Camshaft Bearing Inside Diameter - Service Limit61.07 mm2.4043 in
Camshaft Bearing Inside Diameter - Production Value61.00-61.03 mm2.4016-2.4028 in
Camshaft End Play - Service Limit0.2 mm0.0079 in
Camshaft Journal Diameter - Service Limit60.92 mm2.3984 in
Camshaft Journal Diameter - Production Value60.932-60.962 mm2.3990-2.4001 in
Camshaft Lobe Lift - Exhaust - Production Value5.907 mm0.2326 in
Camshaft Lobe Lift - Intake - Production Value7.273 mm0.2863 in
Camshaft Runout - Service Limit0.05 mm0.0020 in
Cooling System
Capacity @ Engine RPM270 L/min @ 3172 RPM
Thermostat Full Open Temperature110 degrees C230 degrees F
Turbocharger Coolant Bypass Valve60 degrees C140 degrees F
Connecting Rod
Connecting Rod Bearing Clearance - Service Limit0.10 mm0.0039 in
Connecting Rod Bearing Clearance - Production Value0.036-0.077 mm0.0014-0.0030 in
Connecting Rod Bore Diameter - Bearing End - Production Value62.958-62.979 mm2.4789-2.4795 in
Connecting Rod Bore Diameter - Pin End - Service Limit34.53 mm1.3594 in
Connecting Rod Bore Diameter - Pin End - Production Value34.512-34.522 mm1.3587-1.3591 in
Connecting Rod Length163.0 mm6.42 in
Connecting Rod Side Clearance - Service Limit0.54 mm0.0213 in
Connecting Rod Side Clearance - Production Value0.31-0.49 mm0.0122-0.0193 in
Crankshaft
Connecting Rod Journal Diameter - Service Limit62.88 mm2.4756 in
Connecting Rod Journal Diameter - Production Value62.902-62.922 mm2.4764-2.4772 in
Crankshaft End Play - Service Limit0.54 mm0.0213 in
Crankshaft End Play - Production Value0.04-0.205 mm0.0016-0.0081 in
Crankshaft Main Bearing Clearance - Service Limit0.014 mm0.0055 in
Crankshaft Main Bearing Clearance - Production Value0.037-0.072 mm0.0015-0.0028 in
Crankshaft Main Journal Diameter - Service Limit79.89 mm3.1453 in
Crankshaft Main Journal Diameter - Production Value79.905-79.925 mm3.1459-3.1466 in
Crankshaft Runout - Service Limit0.44 mm0.0173 in
Crankshaft Runout - Production Value0.05 mm0.0020 in
Cylinder Head
Surface Flatness - Block Deck - Service Limit0.2 mm0.0079 in
Surface Flatness - Block Deck - Production Value0.075 mm0.0030 in
Surface Flatness - Exhaust Manifold Deck - Production Value0.1 mm0.0039 in
Surface Flatness - Intake Manifold Deck - Production Value0.1 mm0.0039 in
Exhaust Manifold
Surface Flatness- Production Value0.3 mm0.0118 in
Intake Manifold
Surface Flatness - Production Value0.3 mm0.0118 in
Lubrication System
Oil Capacity - with Filter10 qt9.5 L
Oil Capacity - without Filter9.2 qt8.7 L
Oil Pressure - Minimum- Hot - at idle98 KPa14 psi
Oil Pressure - Minimum - 1800 RPM294 KPa42 psi
Oil Relief Valve Opening Pressure441 KPa64 psi
Piston Cooling Jet Valve Opening Pressure196 KPa29 psi
Oil Pump
Gear Shaft Outside Diameter - Drive - Service Limit19.86 mm0.7819 in
Gear Shaft Outside Diameter - Drive - Production Value19.947-19.960 mm0.7853-0.7858 in
Gear Shaft Outside Diameter - Driven - Service Limit19.86 mm0.7819 in
Gear Shaft Outside Diameter - Driven - Production Value19.947-19.960 mm0.7853-0.7858 in
Gear Shaft-to-Bushing - Service Limit Clearance0.14 mm0.0055 in
Gear-to-Cover Clearance - Drive/Driven - Service Limit0.109 mm0.0043 in
Gear-to-Cover Clearance - Drive/Driven - Production Value0.064-0.109 mm0.0025-0.0043 in
Gear-to-Housing Clearance - Drive/Driven - Service Limit0.22 mm0.0087 in
Gear-to-Housing Clearance - Drive/Driven - Production Value0.125-0.221 mm0.0049-0.0087 in
Piston Rings
Piston Ring End Gap-First Compression Ring - Service Limit1.37 mm0.0539 in
Piston Ring End Gap-First Compression Ring - Production Value0.3-0.45 mm0.0118-0.0177 in
Piston Ring End Gap-Second Compression Ring - Service Limit1.35 mm0.0531 in
Piston Ring End Gap-Second Compression Ring - Production Value0.50-0.65 mm0.0197-0.0256 in
Piston Ring End Gap-Oil Control Ring - Service Limit1.20 mm0.0472 in
Piston Ring End Gap-Oil Control Ring - Production Value0.15-0.35 mm0.0059-0.0138 in
Piston Ring to Groove Clearance-First Compression Ring - Service Limit0.26 mm0.0102 in
Piston Ring to Groove Clearance-First Compression Ring - Production Value0.08-0.17 mm0.0030-0.0067 in
Piston Ring to Groove Clearance-Second Compression Ring - Service Limit0.10 mm0.0039 in
Piston Ring to Groove Clearance-Second Compression Ring - Production Value0.01-0.03 mm0.0004-0.0012 in
Piston Ring to Groove Clearance-Oil Control Ring - Service Limit0.12 mm0.0047 in
Piston Ring to Groove Clearance-Oil Control Ring - Production Value0.01-0.03 mm0.0004-0.0012 in
Pistons and Pins
Piston-Piston Diameter102.948-102.960 mm4.0531-4.0535 in
Piston-Piston Pin Bore Diameter34.504-34.512 mm1.3584-1.3587 in
Pin-Piston Pin Clearance to Piston Pin Bore - Service Limit0.017 mm0.0007 in
Pin-Piston Pin Clearance to Piston Pin Bore - Production Value0.004-0.017 mm0.0002-0.0007 in
Pin-Piston Pin Diameter - Service Limit34.45 mm1.3563 in
Pin-Piston Pin Diameter - Production Value34.495-34.5 mm1.3581-1.3583 in
Starter
Rated Output3.5 KW
Turbocharger
Axial Play0.11 mm0.0043 in
Radial Play0.20 mm0.0079 in
Valve System
Valves-Valve Face Angle - Production Value45 degrees
Valves-Valve Face Runout
Valves-Valve Face Width - Service Limit2.5 mm0.0984 in
Valves-Valve Face Width - Production Value2.1 mm0.0827 in
Valves-Valve Head Diameter - Exhaust31.0 mm1.22 in
Valves-Valve Head Diameter - Intake33.0 mm1.30 in
Valves-Valve Seat Angle45 degrees
Valves-Valve Stem Diameter7.0 mm0.28 in
Valves-Valve Stem Oil Seal Installed Height6.05 mm0.2382 in
Valves-Valve Stem-to-Guide Clearance - Service Limit0.20 mm0.0079 in
Valves-Valve Stem-to-Guide Clearance - Exhaust - Production Value0.038-0.071 mm0.0015-0.0028 in
Valves-Valve Stem-to-Guide Clearance - Intake - Production Value0.030-0.063 mm0.0012-0.0025 in
Valves-Valve Stem-to-Guide Clearance0.20 mm0.0079 in
Valve Lifters/Push Rods-Push Rod Straightness0.8 mm0.0315 in
Rocker Arms-Valve Rocker Arm Bore Diameter22.010-22.035 mm0.8665-0.8675 in
Rocker Arms-Valve Rocker Arm Bore-to-Shaft Clearance - Service Limit0.20 mm0.0079 in
Rocker Arms-Valve Rocker Arm Bore-to-Shaft Clearance - Production Value0.010-0.056 mm0.0004-0.0022 in
Rocker Arms-Valve Rocker Arm Ratio - Exhaust1.69:1
Rocker Arms-Valve Rocker Arm Ratio - Intake1.36:1
Rocker Arms-Valve Rocker Arm Shaft Diameter - Service Limit21.85 mm0.8602 in
Rocker Arms-Valve Rocker Arm Shaft Diameter - Production Value21.979-22.000 mm0.8653-0.8661 in
Valve Springs-Valve Spring Free Length - Production Value56.6 mm2.2283 in
Valve Springs-Valve Spring Installed Height - Production Value41 mm1.6142 in
Valve Springs-Valve Spring Load - Exhaust - Service Limit275 N at 41 mm61.8 lb at 1.61 in
Valve Springs-Valve Spring load - Exhaust - Production Value315-363 N at 41 mm71-81.6 lb at 1.61 in
Valve Springs-Valve Spring Load - Intake - Service Limit306 N at 41 mm68.8 lb at 1.61 in
Valve Springs-Valve Spring Load - Intake - Production Value315-363 N at 41 mm71-81.6 lb at 1.61 in

Engine Mechanical Specifications

Connecting Rod Bearings Selection Specifications

Connecting Rod Grade (Stamped on Connecting Rod)Use This Bearing ColorBearing ThicknessOil Clearance
Metric (mm)English (in)Metric (mm)English (in)
AGreen2.007 - 2.0130.0790 - 0.07930.037 - 0.0760.0015 - 0.0030
BYellow2.011 - 2.0170.0792 - 0.07940.037 - 0.0760.0015 - 0.0030

Connecting Rod Bearing Grade

Cylinder Head Gasket Selection Specifications

Cylinder Head Gasket GradeTi max (Piston Projection)Gasket Thickness
Metric (mm)English (in)Metric (mm)English (in)
Grade A (No grade hole on the gasket)Over 0.223 - less than 0.274Over 0.0088 - less than 0.01080.90-1.000.0354-0.0394
Grade B (One grade hole on the gasket)Over 0.274 - less than 0.325Over 0.0108 - less than 0.01280.95-1.050.0374-0.0413
Grace C (Two grade holes on the gasket)Over 0.325 - less than 0.376Over 0.0128 - less than 0.01481.00-1.100.0394-0.0433

Cylinder Head Gasket Selection Specifications

Crankshaft Bearings Selection Specifications

Cylinder Block GradeCrankshaft Journal GradeIdentification Bearing ColorOil Clearance
Metric (mm)English (in)
11Black0.041-0.0680.0016-0.0027
12Brown0.039-0.0650.0015-0.0026
21Blue0.043-0.0700.0017-0.0028
22Black0.041-0.0670.0016-0.0027

Crankshaft Bearings Selection Specifications

Valve Clearance Adjustment Specifications

CylinderAdjust at No 1 Compression Stroke TDCAdjust at No 1 Exhaust Stroke TDC
Left BankRight BankIntakeExhaustIntakeExhaust
1XX
2XX
3XX
4XX
5XX
6XX
7XX
8XX

Valve Clearance Adjustment Specifications

Scheme 135

Scheme 135: Cylinder Head - Exhaust Port View
Scheme 135: Cylinder Head - Exhaust Port View
Service Hole LocationThread SizeDrillCounterbore ToolStop CollarTapDriverInsertDrill Depth (Max)Tap Depth (Min)
Mm(in)Mm(in)
1M 10 x 1.5211212N/A213214215250.98210.827
2M 10 x 1.25Not serviced803.15301.181
3M 10 x 1.5211212N/A213214215250.98210.827
4M 10 x 1.25Not serviced803.15301.181
5M 10 x 1.5211212N/A213214215250.98210.827
6M 10 x 1.25Not serviced803.15301.181
7M 10 x 1.5211212N/A213214215250.98210.827
8M 10 x 1.25Not serviced803.15301.181
9M 10 x 1.5211212N/A213214215250.98210.827
10M 10 x 1.5211212N/A213214215250.98210.827
11M 10 x 1.5211212N/A213214215250.98210.827
12M 10 x 1.5211212N/A213214215250.98210.827

Cylinder Head - Exhaust Port View

Scheme 136

Scheme 136: Cylinder Head - Intake Port View
Scheme 136: Cylinder Head - Intake Port View
Service Hole LocationThread SizeDrillCounterbore ToolStop CollarTapDriverInsertDrill Depth (Max)Tap Depth (Min)
Mm(in)Mm(in)
1M 8 x 1.25206207N/A208209210210.83170.669
2M 8 x 1.25206207N/A208209210210.83170.669
3M 8 x 1.25206207N/A208209210210.83170.669
4M 8 x 1.25206207N/A208209210210.83170.669
5M 8 x 1.25206207N/A208209210210.83170.669
6M 8 x 1.25206207N/A208209210210.83170.669
7M 8 x 1.25206207N/A208209210210.83170.669
8M 8 x 1.25206207N/A208209210210.83170.669
9M 8 x 1.25206207N/A208209210210.83170.669
10M 8 x 1.25206207N/A208209210210.83170.669
11M 8 x 1.25206207N/A208209210210.83170.669
12M 8 x 1.25206207N/A208209210210.83170.669
13M 8 x 1.25206207N/A208209210210.83170.669
14M 8 x 1.25206207N/A208209210210.83170.669

Cylinder Head - Intake Port View

Scheme 137

Scheme 137: Cylinder Head - Top View
Scheme 137: Cylinder Head - Top View
Service Hole LocationThread SizeDrillCounterbore ToolStop CollarTapDriverInsertDrill Depth (Max)Tap Depth (Min)
Mm(in)Mm(in)
1M 10 x 1.5211212N/A213214215261.02210.827
2M 6 x 1.0201202N/A203204205170.67130.512
3M 10 x 1.5Not serviced261.02210.827
4M 6 x 1.0201202N/A203204205170.67130.512
5M 10 x 1.5211212N/A213214215261.02210.827
6M 6 x 1.0201202N/A203204205170.67130.512
7M 10 x 1.5Not serviced261.02210.827
8M 6 x 1.0201202N/A203204205170.67130.512
9M 10 x 1.5211212N/A213214215261.02210.827
10M 6 x 1.0201202N/A203204205170.67130.512
11M 8 x 1.25206207N/A208209210210.83170.669
12M 6 x 1.0201202N/A203204205170.67130.512
13M 6 x 1.0201202N/A203204205170.67130.512
14M 10 x 1.5211212N/A213214215261.02210.827
15M 6 x 1.0201202N/A203204205170.67130.512
16M 10 x 1.5211212N/A213214215261.02210.827
17M 6 x 1.0201202N/A203204205170.67130.512
18M 10 x 1.5211212N/A213214215261.02210.827
19M 6 x 1.0201202N/A203204205170.67130.512
20M 10 x 1.5211212N/A213214215261.02210.827
21M 6 x 1.0201202N/A203204205170.67130.512
22M 6 x 1.0201202N/A203204205170.67130.512

Cylinder Head - Top View

Scheme 138

Scheme 138: Cylinder Head - Back View
Scheme 138: Cylinder Head - Back View
Service Hole LocationThread SizeDrillCounterbore ToolStop CollarTapDriverInsertDrill Depth (Max)Tap Depth (Min)
Mm(in)Mm(in)
1M 10 x 1.5211212N/A21321414mm length200.79160.63
2M 10 x 1.5211212N/A21321414mm length200.79160.63
3M 8 x 1.25206207N/A208209854170.67130.512
4M 8 x 1.25206207N/A208209854170.67130.512
5M 10 x 1.5211212N/A21321414mm length200.79160.63
6M 8 x 1.25206207N/A208209854170.67130.512
7M 8 x 1.25206207N/A208209854170.67130.512

Cylinder Head - Back View

Scheme 139

Scheme 139: Cylinder Head - Front View
Scheme 139: Cylinder Head - Front View
Service Hole LocationThread SizeDrillCounterbore ToolStop CollarTapDriverInsertDrill Depth (Max)Tap Depth (Min)
Mm(in)Mm(in)
1M 10 x 1.5211212N/A21321414mm length200.79160.63
2M 8 x 1.25206207N/A208209854170.67130.512
3M 8 x 1.25206207N/A208209854170.67130.512
4M 10 x 1.5211212N/A21321414mm length200.79160.63
5M 8 x 1.25206207N/A208209854170.67130.512
6M 8 x 1.25206207N/A208209854170.67130.512

Cylinder Head - Front View

Scheme 140

Scheme 140: Disassembled Views
Scheme 140: Disassembled Views
CalloutComponent Name
1Idler Pulley Bolt
2Idler Pulley
3Idler Pulley Bolt
4Idler Pulley
5Generator Mounting Bracket Bolt
6Drive Belt Tensioner Bolt
7Drive Belt Tensioner
8Generator Mounting Bracket
9Fuel Injection Control Module Harness Bracket Nut
10Schrader Valve Bracket
11Schrader Valve
12Fuel Injection Control Module Harness Bracket
13Schrader Valve Hose
14Engine Assembly
15Power Steering Pump Bracket
16Power Steering Pump Bracket Bolt
17O-ring
18Water Pump Bolt
19Water Pump
20Water Pump Bolt
21Crankshaft Balancer Bolt
22Crankshaft Balancer Washer
23Crankshaft Balancer
24Cooling Fan Pulley Bolt
25Cooling Fan Pulley Nut
26Oil Separator Cover Bolt
27Oil Separator Cover
28Cooling Fan Pulley
29Cooling Fan Pulley Insulator
30Cooling Fan Pulley Stud

Scheme 141

Scheme 141
Scheme 141
CalloutComponent Name
1Idler Pulley Bolt
2Idler Pulley
3Idler Pulley Bolt
4Idler Pulley
5Generator Mounting Bracket Bolt
6Drive Belt Tensioner Bolt
7Drive Belt Tensioner
8Generator Mounting Bracket
9Fuel Injection Control Module Harness Bracket Nut
10Schrader Valve Bracket
11Schrader Valve
12Fuel Injection Control Module Harness Bracket
13Schrader Valve Hose
14Engine Assembly
15Power Steering Pump Bracket
16Power Steering Pump Bracket Bolt
17O-ring
18Water Pump Bolt
19Water Pump
20Water Pump Bolt
21Crankshaft Balancer Bolt
22Crankshaft Balancer Washer
23Vacuum Pump Bolt- California Emissions
24Vacuum Pump Pulley - California Emissions
25Crankshaft Balancer
26Vacuum Pump - California Emissions
27Cooling Fan Pulley Nut
28Cooling Fan Pulley Bolt
29Oil Separator Cover Bolt
30Oil Separator Cover
31Cooling Fan Pulley
32Cooling Fan Pulley Insulator
33Cooling Fan Pulley Stud

Scheme 142

Scheme 142
Scheme 142
CalloutComponent Name
1Fuel Injection Control Module Bracket
2Fuel Injection Control Module Bracket
3Fuel Injection Control Module Bracket Bolt
4Fuel Injection Control Module Bolt
5Fuel Injection Control Module Bolt
6Bracket
7Fuel Injection Control Module Insulator
8Fuel Injection Control Module Sleeve
9Fuel Injection Control Module Insulator
10Fuel Injection Control Module
11Fuel Filter Assembly
12Engine Wiring Harness
13Flex Plate
14Dowel Pin
15Flywheel Washer
16Flywheel Bolt
17Flywheel (Manual Transmission)
18Flywheel (Automatic Transmission)
19Dowel Pin
20Ring Gear
21O-ring
22O-ring
23Engine Oil Cooler
24Oil Filter
25Engine Oil Cooler Bolt
26Oil Pressure Sensor
27Engine Assembly

Scheme 143

Scheme 143
Scheme 143
CalloutComponent Name
1Fuel Pipes Assembly
2Fuel Inlet Distribution Block
3Fuel Inlet Distribution Block Nut
4Fuel Inlet Distribution Block Bolt
5Fuel Pipe Bolt
6Fuel Pipe
7PCV Hose
8Intake Manifold Tube
9Turbocharger Boost Sensor Bracket
10Turbocharger Boost Sensor Bolt
11Turbocharger Boost Sensor
12Intake Manifold Tube Bolt
13Intake Heater Gasket
14Intake Heater
15Turbocharger Heat Shield (Upper)
16Turbocharger Heat Shield (Upper) Bolt
17Turbocharger
18Exhaust Outlet Adapter Gasket
19Exhaust Outlet Adapter
20Heat Shield
21Heat Shield Bolt
22Exhaust Outlet Adapter Nut
23Exhaust Outlet Adapter Stud
24Turbocharger Bolt
25Turbocharger Heat Shield (Lower)
26Intake Manifold
27Intake Manifold Bolt
28Exhaust Pipe Gasket
29Exhaust Pipe
30Exhaust Pipe Gasket
31Exhaust Pipe Bolt
32Exhaust Outlet Bracket
33Exhaust Pipe Bolt
34Exhaust Pipe Gasket
35Exhaust Pipe
36Heat Shield
37Heat Shield Bolt
38Exhaust Pipe Bolt
39Exhaust Pipe Gasket
40Exhaust Manifold Gasket
41Exhaust Manifold
42Exhaust Manifold Washer
43Exhaust Manifold Beveled Washer
44Exhaust Manifold Nut
45Heat Shield
46Heat Shield Bolt
47Exhaust Manifold Bolt
48Engine Assembly
49Exhaust Manifold
50Exhaust Manifold Bolt
51Heat Shield
52Heat Shield Bolt
53Exhaust Manifold Nut
54Exhaust Manifold Beveled Washer
55Exhaust Manifold Washer
56Exhaust Manifold Gasket
57Turbocharger Oil Supply Line Eye Bolt
58Turbocharger Oil Supply Line
59Intake Manifold Bolt
60Intake Manifold
61Intake Manifold Stud
62Intake Manifold Nut
63Intake Manifold Bolt
64Intake Manifold Stud
65Intake Manifold Tube Stud
66Intake Manifold Tube Gasket
67Intake Manifold Tube Nut

Scheme 144

Scheme 144
Scheme 144
CalloutComponent Name
1Fuel Pipes Assembly
2Fuel Inlet Distribution Block
3Fuel Inlet Distribution Block Nut
4Fuel Inlet Distribution Block Bolt
5EGR Bolt
6EGR Valve
7EGR Valve Gasket
8EGR Cooler
9Heater Pipe Bracket
10EGR Nut
11Water Cooler Outlet Hose
12Water Cooler Outlet Hose Clamp
13EGR Cooler Bracket
14Water Hose Connector
15EGR Cooler Bracket Bolt
16Intake Throttle Nut
17EGR Stud
18Intake Throttle Gasket
19Fuel Pipe Bolt
20Fuel Pipe
21Intake Manifold Tube Stud
22Intake Manifold Tube Nut
23Intake Manifold Tube Gasket
24Intake Manifold Tube Bolt
25Intake Manifold Tube
26Intake Throttle Gasket
27EGR Orifice
28Intake Throttle Stud
29Intake Throttle
30Turbocharger Boost Sensor Hose
31Turbocharger Boost Sensor
32Turbocharger Boost Sensor Bolt
33Turbocharger Boost Sensor Bracket
34Intake Heater
35Intake Heater Gasket
36PCV Hose
37Turbocharger Heat Shield (Upper)
38Turbocharger Heat Shield (Upper) Bolt
39Turbocharger
40Exhaust Outlet Adapter Gasket
41Exhaust Outlet Adapter
42Heat Shield
43Heat Shield Bolt
44Exhaust Outlet Adapter Nut
45Exhaust Outlet Adapter Stud
46Turbocharger Bolt
47Turbocharger Heat Shield - Lower
48Intake Manifold
49Exhaust Pipe Gasket
50Exhaust Pipe - Right
51Exhaust Pipe Gasket
52Exhaust Pipe Bolt
53Exhaust Outlet Bracket
54Exhaust Pipe Bolt
55Exhaust Pipe Gasket
56Exhaust Pipe - Left
57Heat Shield
58Heat Shield Bolt
59Exhaust Pipe Bolt
60Exhaust Pipe Gasket
61Exhaust Manifold Gasket
62Exhaust Manifold
63Exhaust Manifold Washer
64Exhaust Manifold Beveled Washer
65Exhaust Manifold Nut
66Heat Shield
67Heat Shield Bolt
68Exhaust Manifold Bolt
69Engine Assembly
70Exhaust Manifold
71Exhaust Manifold Bolt
72Heat Shield
73Heat Shield Bolt
74Exhaust Manifold Nut
75Exhaust Manifold Beveled Washer
76Exhaust Manifold Washer
77Exhaust Manifold Gasket
78Intake Manifold
79Turbocharger Oil Supply Line Eye Bolt
80Turbocharger Oil Supply Line
81Intake Manifold Bolt
82Intake Manifold Bolt
83Intake Manifold Stud
84Intake Manifold Nut

Scheme 145

Scheme 145
Scheme 145
CalloutComponent Name
1Coolant Temperature Sensor
2Thermostat (Front)
3Thermostat (Rear)
4Heater Pipe Bolt
5Heater Pipe
6Thermostat Cover
7Thermostat Cover Bolt
8Water Outlet O-ring
9Water Outlet Bolt
10Water Outlet
11Water Outlet Bolt
12Oil Fill Cap
13Oil Fill Tube Bolt
14Oil Fill Tube
15Oil Fill Tube O-ring
16Engine Front Cover
17Fuel Injection Pump Bolt
18Engine Assembly
19Fuel Injection Pump
20Flywheel Housing Cover Bolt
21Flywheel Housing Cover
22Flywheel Housing Cover Gasket
23Flywheel Housing O-ring
24Flywheel Housing
25Flywheel Housing Bolt
26Dowel Pin
27Crankshaft Rear Oil Seal
28Engine Oil Cooler Adapter Gasket
29Engine Oil Cooler Adapter Bolt
30Engine Oil Cooler Adapter Bolt
31Engine Oil Cooler Adapter
32Engine Oil Cooler Adapter Gasket
33Oil Pump Pipe and Screen Assembly Bolt
34Oil Pump Pipe and Screen Assembly
35Oil Pump Pipe and Screen Assembly Gasket
36Oil Level Tube Bolt
37Oil Level Tube
38Oil Level Tube O-ring
39Oil Level Sensor Bolt
40Lower Oil Pan Stud
41Oil Level Sensor
42Retainer
43Lower Oil Pan Bolt
44Oil Drain Plug
45Oil Drain Plug Gasket
46Lower Oil Pan
47Upper Oil Pan Bolt
48Upper Oil Pan
49Oil Pump
50Oil Pump Bolt
51Oil Pump Driven Gear
52Oil Pump Driven Gear Nut
53Engine Front Cover
54Engine Front Cover Bolt
55Oil Pressure Relief Valve
56Thermostat Bypass Pipe Gasket
57Thermostat Bypass Pipe Bolt
58Thermostat Bypass Pipe
59Thermostat Bypass Pipe O-ring
60Thermostat Housing Bolt
61Thermostat Housing Nut
62Thermostat Housing Bolt
63Thermostat Housing Nut
64Thermostat Housing
65Thermostat Housing Gasket
66Thermostat Housing Stud
67Camshaft Position Sensor O-ring
68Camshaft Position Sensor
69Camshaft Position Sensor Bolt
70Crankshaft Position Sensor Bolt
71Crankshaft Position Sensor
72Crankshaft Position Sensor O-ring

Scheme 146

Scheme 146
Scheme 146
CalloutComponent Name
1Fuel Injector Pipe (Cylinder 1)
2Fuel Injector Pipe (Cylinder 3)
3Fuel Injector Pipe (Cylinder 5)
4Fuel Injector Pipe (Cylinder 7)
5Right Fuel Rail
6Fuel Rail Bolts
7Left Fuel Rail
8Fuel Injector Pipe (Cylinder 2)
9Fuel Injector Pipe (Cylinder 4)
10Fuel Injector Pipe (Cylinder 6)
11Fuel Injector Pipe (Cylinder 8)
12Glow Plug Controller Bracket
13Glow Plug Controller (Federal Emissions)
14Glow Plug Controller (CA Emissions)
15Valve Rocker Arm Cover (Upper)
16Valve Rocker Arm Cover (Upper) Bolt
17Valve Rocker Arm Cover (Lower) Bolt
18Valve Rocker Arm Cover (Lower)
19Valve Rocker Arm cover Gasket
20Engine Assembly
21Valve Rocker Arm Cover Gasket
22Valve Rocker Arm Cover (Lower)
23Valve Rocker Arm Cover (Upper) Bolt
24Valve Rocker Arm Cover (Upper)

Scheme 147

Scheme 147
Scheme 147
CalloutComponent Name
1Cylinder Head Bolt
2Cylinder Head
3Cylinder Head Gasket
4Valve Lifter
5Valve Lifter Guide
6Valve Lifter Guide Bracket
7Cylinder Head Bolt
8Cylinder Head
9Cylinder Head Gasket
10Dowel Pin
11Engine Block
12Engine Block Plug Gasket
13Engine Block Plug
14Crankshaft Bearing Cap M8 Bolt
15Engine Block Plug
16Connecting Rod Cap
17Connecting Rod Bearing
18Connecting Rod Bearing
19Connecting Rod Bushing
20Piston Pin
21Piston Pin Retainer
22Piston
23Oil Control Ring
24Compression Ring (2nd)
25Compression Ring (1st)
26Connecting Rod
27Connecting Rod Bolt
28Thrust Bearing
29Crankshaft Bearing (Upper)
30Thrust Bearing
31Crankshaft Bearing (Lower)
32Dowel Pin
33Crankshaft Bearing Cap (5th)
34Crankshaft Bearing Cap Bolt
35Crankshaft Bearing Cap
36Thrust Bearing
37Crankshaft Position Sensor Exciter Ring Bolt
38Crankshaft Position Sensor Exciter Ring
39Crankshaft Position Sensor Exciter Ring Pin
40Oil Pump Drive Gear
41Crankshaft Gear
42Crankshaft
43Crankshaft Pin
44Camshaft Position Sensor Exciter Ring Bolt
45Camshaft Position Sensor Exciter Ring Pin
46Camshaft Position Sensor Exciter Ring
47Camshaft Gear Bolt
48Camshaft Gear Washer
49Camshaft Gear
50Camshaft Thrust Plate Bolt
51Camshaft Thrust Plate
52Camshaft Pin
53Camshaft
54Engine Block Plug
55Camshaft Bearing (Front)
56Camshaft Bearing
57Engine Block Plug
58Engine Block Heater

Scheme 148

Scheme 148
Scheme 148
CalloutComponent Name
1Cylinder Head
2Rocker Arm Shaft Plug
3Rocker Arm Shaft Mount
4Rocker Arm Shaft Mount Bolt
5Rocker Arm Shaft Assembly Lock Nut
6Rocker Arm Shaft Assembly
7Fuel Injector Harness
8Fuel Injector Harness Bolt
9Valve Bridge Pin
10Valve Bridge
11Valve Key
12Valve Spring Seat (Upper)
13Valve Spring
14Valve Spring Seat (Lower)
15Fuel Injector Gasket
16Fuel Injector Seal (O-ring)
17Fuel Injector
18Fuel Injector Bracket Bolt
19Fuel Injector Bracket
20Fuel Return Pipe
21Fuel Return Pipe Bolt
22Fuel Return Pipe Gasket
23Glow Plug
24Glow Plug Connector-Model Dependent (Federal Emissions)
25Glow Plug Connector-Model Dependent (CA Emissions)
26Cylinder Head
27Exhaust Valve
28Pushrod
29Valve Clearance Adjusting Screw

Scheme 149

Scheme 149
Scheme 149
CalloutComponent Name
1Valve Rocker Arm Cover (Upper)
2Valve Rocker Arm Cover (Upper)
3Fuel Injector Seal
4PCV Spring
5PCV Diaphragm
6PCV Cover
7PCV Cover Bolt

Scheme 150

Scheme 150
Scheme 150
CalloutComponent Name
1Oil Pump Cover
2Oil Pump Cover Bolt
3Oil Pump Drive Gear
4Oil Pump Driven Gear
5Oil Pump Housing
6Oil Pump Gear
7Oil Pump Gear Nut

Scheme 151

Scheme 151: Engine Identification
Scheme 151: Engine Identification

The engine identification tag is located on the left side of the block. It is on the front edge of the block.

More articles — Engine Mechanical - 6.6L (LB7) (Introduction)