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Unless otherwise marked, all engines and parts are for competition use only; not legal for use on pollution controlled vehicles at any time.

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LMM Torque Specs

 LMM Aftermarket Fastener Torque Specs  
   
 SoCal Diesel LMM Billet Injector Clamps  32 lb ft
   
ARP 12mm Head Studs #230-4201 125 lb ft
   
ARP 12mm 625 Material Head Studs #230-4202 150 lb ft
   
SoCal Diesel 14mm Head Stud Kit 190 lb ft
   
ARP Main Stud Kit #230-5402   190 lb ft
   
ARP Main Stud Kit #230-5402 Cross Bolts 90 lb ft
   
ARP Flywheel Bolts #230-2901 250 lb ft
   
SoCal Diesel Rocker Stud Kit 55 lb ft
   
SoCal Diesel Street Rods 80 lb ft
   
2007.5 – 2010 LMM Torque Specs  
   
A/C Compressor Bolt 37 lb ft
   
Air Cleaner Outlet Duct Clamp 71 lb in
   
Air Conditioning Compressor/Power Steering Pump Bracket Bolt 34 lb ft
   
Air Inlet Tube Nut 18 lb ft
   
Battery Cable Bracket Bolt 106 lb in
   
Battery Cable Bracket Nut 71 lb in
   
Bypass Pipe Bolt 18 lb ft
   
Camshaft Gear Bolt 173 lb ft
   
Camshaft Position Sensor Bolt 89 lb in
   
Camshaft Position Sensor Exciter Ring Bolt 80 lb in
   
Camshaft Thrust Plate Bolt 16 lb ft
   
Charged Air Cooler Bolt 15 lb ft
   
Charged Air Cooler Clamp 71 lb in
   
Connecting Rod Cap Bolt– Angular Tightening Method 1st Step 47 lb ft
  2nd Step 30 Degrees
  3rd Step 30 Degrees
   
Coolant Pipe Bolt and Nut 18 lb ft
   
Coolant Tube to Water Pump Nut 18 lb ft
   
Cooling Fan Pulley 30 lb ft
   
Crankshaft Balancer Bolt 1st Step 74 lb ft
  2nd Step 105 Degrees
   
Crankshaft Bearing Cap Bolt 1st Step 72 lb ft
  2nd Step 97 lb ft
  3rd Step 60 Degrees
   
Crankshaft Bearing Cap Bolt– Angular Tightening Method 1st Step 74 lb ft
  2nd Step 90 Degrees
   
Crankshaft Bearing Cap Side Bolt 52 lb ft
   
Crankshaft Position Sensor Bolt 89 lb in
   
Crankshaft Position Sensor Spacer Bolt 89 lb in
   
Crossmember Bolt 74 lb ft
   
Cylinder Head M12 Bolt– Angular Tightening Method  
1st Step 37 lb ft
2nd Step 59 lb ft
3rd Step 60 degrees
4th Step 60 degrees
   
Cylinder Head M8 Bolt 18 lb ft
   
Drive Belt Tensioner Pulley Bolt 37 lb ft
   
EGR to EGR Cooler Bolt 18 lb ft
   
EGR Bracket 18 lb ft
   
EGR Bracket Bolt 18 lb ft
   
EGR Bracket to Cooler Bolt 18 lb ft
   
Electrical Harness Bracket Bolt 89 lb in
   
Engine Block Coolant Plug 13 lb ft
   
Engine Block Ground Bolt 25 lb ft
   
Engine Coolant Heater  
First Pass 18 lb in
Final Pass 90 degrees
   
Engine Mount Through Bolt to Frame 55 lb ft
   
Engine Mount to Block Bolts 43 lb ft
   
Engine Mount to Frame Bolt 48 lb ft
   
Engine Shield Bolt 15 lb ft
   
Exhaust Heat Shield Nut 89 lb in
   
Exhaust Manifold Bolt/Nut 42 lb ft
   
Exhaust Manifold Heat Shield Bolts 89 lb in
   
Exhaust Outlet Clamp 11 lb ft
   
Exhaust Outlet Heat Shield Bolts 89 lb in
   
Exhaust Pipe Bracket Nut 39 lb ft
   
Exhaust Pipe Clamp 39 lb ft
   
Exhaust Pipe Heat Shield Bolts 89 lb in
   
Exhaust Pipe to EGR Cooler Nuts 19 lb ft
   
Fan Pulley Bracket Bolt 37 lb ft
   
Flywheel Bolt– Angular Tightening Method 1st Step 58 lb ft
  2nd Step 60 Degrees
  3rd Step 60 Degrees
   
Flywheel Housing to Block Bolt 70 lb ft
   
Flywheel Housing to Upper Oil Pan Bolt 37 lb ft
   
Front Engine Cover Bolt 18 lb ft
   
Fuel Filter Bracket Bolt 22 lb ft
   
Fuel Injection Pipe Nut 30 lb ft
   
Fuel Injector Bracket Bolt 22 lb ft
   
Fuel Inlet Pipe Bracket Bolt 15 lb ft
   
Fuel Injection Pump Assembly to Cylinder Block Bolt 18 lb ft
   
Fuel Injection Pump to Bracket Bolt 20 lb ft
   
Fuel Injection Pump Drive Gear Nut 52 lb ft
   
Fuel Line Bracket Nut 15 lb ft
   
Fuel Temperature Sensor 16 lb ft
   
Fuel Pipes Bracket Bolt 18 lb ft
   
Fuel Pressure Relief Valve 74 lb ft
   
Fuel Pressure Sensor 52 lb ft
   
Fuel Rail Assembly Bolt 18 lb ft
   
Fuel Rail Balance Pipe Bolt 15 lb ft
   
Generator Bracket Bolt and Nut 37 lb ft
   
Generator Positive Cable Nut 80 lb in
   
Glow Plug 13 lb ft
   
Glow Plug Controller Bolt 89 lb in
   
Glow Plug Harness Bracket Bolt 89 lb in
   
Glow Plug Nut 18 lb in
   
Glow Plug Power Feed Nut 11 lb ft
   
Glow Plug Relay Assembly Bolt 89 lb in
   
Heater Outlet Pipe Bolt 18 lb ft
   
Heater Pipe Bolt 18 lb ft
   
Hood Hinge Bolt 18 lb ft
   
Idle Pulley Bolt 37 lb ft
   
Injector Bracket Bolt 16 lb ft
   
Intake Manifold Bolts/Nuts 18 lb ft
   
Oil Cooler Adapter Bolts 18 lb ft
   
Oil Cooler Adapter Nuts 18 lb ft
   
Oil Cooler Assembly Bolts 18 lb ft
   
Oil Cooler Adapter Stud 89 lb in
   
Oil Drain Plug  
with 13 mm hex 18 lb ft
with 16 mm hex 25 lb ft
   
Oil Fill Tube Bolt 18 lb ft
   
Oil Gallery Plugs 39 lb ft
   
Oil Level Indicator Tube Bolt 15 lb ft
   
Oil Level Sensor Bolt 89 lb in
   
Oil Level Sensor Harness Bolt 29 lb ft
   
Oil Pan Bolts/Nuts– Lower 89 lb in
   
Oil Pan Bolt– Upper 15 lb ft
   
Oil Pan Skid Plate Bolt 15 lb ft
   
Oil Pressure Sensor Unit 36 lb ft
   
Oil Pressure Relief Valve 29 lb ft
   
Oil Pump Bolt 15 lb ft
   
Oil Pump Driven Gear Nut 74 lb ft
   
Oil Pump Gear Cover Bolt 15 lb ft
   
Oil Pump Pipe and Screen Assembly Bolts and Nuts 18 lb ft
   
Piston Cooling Nozzle Eye Bolt 15 lb ft
   
Positive Cable Junction Block Bracket to Power Steering Pump Bolt 80 lb in
   
Positive Crankcase Ventilation Cover Screws 35 lb in
   
Positive Crankcase Ventilation Oil Separator Bracket Nut 18 lb ft
   
Power Steering Pump Bracket Bolt 37 lb ft
   
Power Steering Pump Bolt 37 lb ft
   
Rocker Arm Shaft Bracket Bolt 30 lb ft
   
Starter Motor Bolt 58 lb ft
   
Transmission Fill Tube Nut 13 lb ft
   
Thermostat Housing Bolts/Nuts 18 lb ft
   
Thermostat Cover Bolt 18 lb ft
   
Torque Converter Bolt 44 lb ft
   
Transmission Oil Cooler Clip Nut 80 lb in
   
Turbocharger Bolt 80 lb ft
   
Turbocharger Coolant Outlet Pipe Bracket Nut 89 lb in
   
Turbocharger Heat Shield Bolts 89 lb in
   
Turbocharger Oil Return Pipe Stud 89 lb in
   
Turbocharger Oil Supply Hose Eye Bolt 19 lb ft
   
Turbocharger Oil Return Pipe Bolts/Nuts 18 lb ft
   
Upper Oil Pan to Flywheel Housing Bolts 15 lb ft
   
Valve Adjusting Nut 16 lb ft
   
Valve Lifter Holdown Bracket Bolt 97 lb in
   
Valve Rocker Arm Cover Bolt– Lower 89 lb in
   
Valve Rocker Arm Cover Bolt– Upper 71 lb in (Two Times)
   
Water Outlet Bolts 18 lb ft
   
Water Pump Bolt 18 lb ft
   
Water Pump Inlet Pipe Bolts 18 lb ft