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Duramax Third Generation: 2006-2007.5 (LBZ & LLY) Discuss the third generation (2006-2007.5 LBZ & LLY) of the 6.6L Duramax diesel engine & associated components. 2006 LLY engine discussion also belongs in this forum due to the similarities of the 2006 LBZ and the 2006 LLY. Engine related discussion ONLY.

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Old 06-28-2011, 04:44 PM   #1 (permalink)
Canadian Cowboy
Diesel Champ
 
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Fastener Torque Specs.

06 Fastener Tightening Specifications

Metric

English

A/C Compressor Bolt

50 Nm

37 lb ft

Air Cleaner Outlet Duct Clamp

8 Nm

71 lb in

Air Conditioning Compressor/Power Steering Pump Bracket Bolt

46 Nm

34 lb ft

Air Inlet Tube Nut

25 Nm

18 lb ft

Battery Cable Bracket Bolt

12 Nm

106 lb in

Battery Cable Bracket Nut

8 Nm

71 lb in

Bypass Pipe Bolt

25 Nm

18 lb ft

Camshaft Gear Bolt

234 Nm

173 lb ft

Camshaft Position Sensor Bolt

10 Nm

89 lb in

Camshaft Position Sensor Exciter Ring Bolt

9 Nm

80 lb in

Camshaft Thrust Plate Bolt

22 Nm

16 lb ft

Charged Air Cooler Bolt

21 Nm

15 lb ft

Charged Air Cooler Clamp

8 Nm

71 lb in

Connecting Rod Cap Bolt - Angular Tightening Method

1st Step 64 Nm

1st Step 47 lb ft

2nd Step 30 degrees

2nd Step 30 degrees

3rd Step 30 degrees

3rd Step 30 degrees

Coolant Pipe Bolt and Nut

25 Nm

18 lb ft

Coolant Tube to Water Pump Nut

25 Nm

18 lb ft

Cooling Fan Pulley

41 Nm

30 lb ft

Crankshaft Balancer Bolt

1st Step 100 Nm

1st Step 74 lb ft

2nd Step 105 degrees

2nd Step 105 degrees

Crankshaft Bearing Cap Bolt

1st Step 98 Nm

1st Step 72 lb ft

2nd Step 132 Nm

2nd Step 97 lb ft

3rd Step 30 degrees

3rd Step 30 degrees

Crankshaft Bearing Cap Bolt - Angular Tightening Method

1st Step 100 Nm

1st Step 74 lb ft

2nd Step 90 degrees

2nd Step 90 degrees

Crankshaft Bearing Cap Side Bolt

70 Nm

52 lb ft

Crankshaft Position Sensor Bolt

10 Nm

89 lb in

Crankshaft Position Sensor Spacer Bolt

10 Nm

89 lb in

Crossmember Bolt

100 Nm

74 lb ft

Cylinder Head M12 Bolt - Angular Tightening Method

1st Step 50 Nm

1st Step 37 lb ft

2nd Step 80 Nm

2nd Step 59 lb ft

3rd Step 60 degrees

4th Step 60 degrees

Cylinder Head M8 Bolt

25 Nm

18 lb ft

Drive Belt Tensioner Pulley Bolt

50 Nm

37 lb ft

EGR to EGR Cooler Bolt

25 Nm

18 lb ft

EGR Bracket

25 Nm

18 lb ft

EGR Bracket Bolt

25 Nm

18 lb ft

EGR Bracket to Cooler Bolt

25 Nm

18 lb ft

Electrical Harness Bracket Bolt

10 Nm

89 lb in

Engine Block Coolant Plug

18 Nm

13 lb ft

Engine Block Ground Bolt

34 Nm

25 lb ft

Engine Mount Through Bolt to Frame

75 Nm

55 lb ft

Engine Mount to Block Bolts

58 Nm

43 lb ft

Engine Mount to Frame Bolt

65 Nm

48 lb ft

Engine Shield Bolt

20 Nm

15 lb ft

Exhaust Heat Shield Nut

10 Nm

89 lb in

Exhaust Manifold Bolt/Nut

57 Nm

42 lb ft

Exhaust Manifold Heat Shield Bolts

10 Nm

89 lb in

Exhaust Outlet Clamp

15 Nm

11 lb ft

Exhaust Outlet Heat Shield Bolts

10 Nm

89 lb in

Exhaust Pipe Bracket Nut

53 Nm

39 lb ft

Exhaust Pipe Clamp

53 Nm

39 lb ft

Exhaust Pipe Heat Shield Bolts

10 Nm

89 lb in

Exhaust Pipe to EGR Cooler Nuts

26 Nm

19 lb ft

Fan Pulley Bracket Bolt

50 Nm

37 lb ft

Flywheel Bolt - Angular Tightening Method

1st Step 79 Nm

1st Step 58 lb ft

2nd Step 60 degrees

2nd Step 60 degrees

3rd Step 60 degrees

3rd Step 60 degrees

Flywheel Housing Bolt

80 Nm

60 lb ft

Flywheel Housing to Upper Oil Pan Bolt

50 Nm

37 lb ft

Front Engine Cover Bolt

25 Nm

18 lb ft

Fuel Filter Bracket Bolt

30 Nm

22 lb ft

Fuel Injection Pipe Nut

41 Nm

30 lb ft

Fuel Injector Bracket Bolt

30 Nm

22 lb ft

Fuel Inlet Pipe Bracket Bolt

21 Nm

15 lb ft

Fuel Injection Pump Assembly to Cylinder Block Bolt

25 Nm

18 lb ft

Fuel Injection Pump to Bracket Bolt

28 Nm

20 lb ft

Fuel Injection Pump Drive Gear Nut

70 Nm

52 lb ft

Fuel Line Bracket Nut

21 Nm

15 lb ft

Fuel Temperature Sensor

22 Nm

16 lb ft

Fuel Pipes Bracket Bolt

25 Nm

18 lb ft

Fuel Pressure Relief Valve

100 Nm

74 lb ft

Fuel Rail Assembly Bolt

25 Nm

18 lb ft

Fuel Rail Balance Pipe Bolt

21 Nm

15 lb ft

Generator Bracket Bolt and Nut

50 Nm

37 lb ft

Generator Positive Cable Nut

9 Nm

80 lb in

Glow Plug

18 Nm

13 lb ft

Glow Plug Controller Bolt

10 Nm

89 lb in

Glow Plug Harness Bracket Bolt

10 Nm

89 lb in

Glow Plug Nut

2 Nm

18 lb in

Glow Plug Power Feed Nut

15 Nm

11 lb ft

Glow Plug Relay Assembly Bolt

10 Nm

89 lb in

Heater Outlet Pipe Bolt

25 Nm

18 lb ft

Heater Pipe Bolt

25 Nm

18 lb ft

Hood Hinge Bolt

25 Nm

18 lb ft

Idle Pulley Bolt

50 Nm

37 lb ft

Injector Bracket Bolt

23 Nm

16 lb ft

Intake Manifold Bolts/Nuts

25 Nm

18 lb ft

Oil Cooler Adapter Bolts

25 Nm

18 lb ft

Oil Cooler Adapter Nuts

25 Nm

18 lb ft

Oil Cooler Assembly Bolts

25 Nm

18 lb ft

Oil Cooler Adapter Stud

10 Nm

89 lb in

Oil Drain Plug

84 Nm

62 lb ft

Oil Fill Tube Bolt

25 Nm

18 lb ft

Oil Filter

24 Nm

18 lb ft

Oil Gallery Plugs

53 Nm

39 lb ft

Oil Level Indicator Tube Bolt

21 Nm

15 lb ft

Oil Level Sensor Bolt

10 Nm

89 lb in

Oil Level Sensor Harness Bolt

40 Nm

29 lb ft

Oil Pan Bolts/Nuts - Lower

10 Nm

89 lb in

Oil Pan Bolt - Upper

20 Nm

15 lb ft

Oil Pan Skid Plate Bolt

20 Nm

15 lb ft

Oil Pressure Sensor Unit

49 Nm

36 lb ft

Oil Pressure Relief Valve

39 Nm

29 lb ft

Oil Pump Bolt

21 Nm

15 lb ft

Oil Pump Driven Gear Nut

100 Nm

74 lb ft

Oil Pump Gear Cover Bolt

21 Nm

15 lb ft

Oil Pump Pipe and Screen Assembly Bolts and Nuts

25 Nm

18 lb ft

Piston Cooling Nozzle Eye Bolt

21 Nm

15 lb ft

Positive Cable Junction Block Bracket to Power Steering Pump Bolt

9 Nm

80 lb in

Positive Crankcase Ventilation Cover Screws

4 Nm

35 lb in

Positive Crankcase Ventilation Oil Separator Bracket Nut

25 Nm

18 lb ft

Power Steering Pump Bracket Bolt

50 Nm

37 lb ft

Power Steering Pump Bolt

50 Nm

37 lb ft

Rocker Arm Shaft Bracket Bolt

41 Nm

30 lb ft

Starter Motor Bolt

78 Nm

58 lb ft

Transmission Fill Tube Nut

18 Nm

13 lb ft

Thermostat Housing Bolts/Nuts

25 Nm

18 lb ft

Thermostat Cover Bolt

25 Nm

18 lb ft

Torque Converter Bolt

60 Nm

44 lb ft

Transmission Oil Cooler Clip Nut

9 Nm

80 lb in

Turbocharger Bolt

108 Nm

80 lb ft

Turbocharger Coolant Outlet Pipe Bracket Nut

10 Nm

89 lb in

Turbocharger Heat Shield Bolts

10 Nm

89 lb in

Turbocharger Oil Return Pipe Stud

10 Nm

89 lb in

Turbocharger Oil Supply Hose Eye Bolt

26 Nm

19 lb ft

Turbocharger Oil Return Pipe Bolts/Nuts

25 Nm

18 lb ft

Upper Oil Pan to Flywheel Housing Bolts

20 Nm

15 lb ft

Valve Adjusting Nut

22 Nm

16 lb ft

Valve Lifter Holdown Bracket Bolt

11 Nm

97 lb in

Valve Rocker Arm Cover Bolt - Lower

10 Nm

89 lb in

Valve Rocker Arm Cover Bolt - Upper

8 Nm (Two Times)

71 lb in (Two Times)

Water Outlet Bolts

25 Nm

18 lb ft

Water Pump Bolt

25 Nm

18 lb ft

Water Pump Inlet Pipe Bolts

25 Nm

18 lb ft


2008 General Motors Corporation. All rights reserved.

CC

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Last edited by PrivatePilot; 06-30-2011 at 06:52 AM.
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Old 06-30-2011, 06:54 AM   #2 (permalink)
PrivatePilot
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Ontario Diesel Place Chapter Member

Post added to the LBZ/LLY FAQ Sticky post. Thanks, Canadian Cowboy.

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Mark - Courtice, Ontario, Canada.
'97 C3500 Crew Cab Long Box Dually 6.5 Turbo Diesel.
Rebuilt with Navistar 506 block spring 2012
Special thanks to Racer55 and WhiteK2500 for their invaluable assistance!
Commercial OTR Driver Since '95
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