LLY Aftermarket Fastener Torque Specs


SoCal Diesel LLY 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 #230-5401  (ARP Recommends 190 lb ft)                   225 lb ft


ARP Main Stud Kit #230-5401 Cross Bolts                                                   90 lb ft


ARP Flywheel Bolts #230-2901                                                                    150 lb ft


SoCal Diesel Rocker Stud Kit                                                                          55 lb ft

2004.5 – 2005 LLY Torque Specs


A/C Compressor Bolt                                                                                                 37 lb ft


Air Conditioning Compressor/Power Steering Pump Bracket Bolt                          34 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


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


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




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


Exhaust Manifold Bolt/Nut                                                                                        28 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



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                                                                                60 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 Control Module Bolt                                                                          15 lb ft


Fuel Injection Control Module Bracket Bolt                                                             15 lb ft


Fuel Injection Control Module Connector Bolt                                                         89 lb in


Fuel Injection Control Module Connector Bracket Bolt                                           15 lb ft


Fuel Injection Control Module Cooler Eye Bolt                                                       20 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 Pressure Relief Valve                                                                                        74 lb ft


Fuel Temperature Sensor                                                                                           16 lb ft


Fuel Pipes Bracket Bolt                                                                                             18 lb ft


Fuel Rail Assembly Bolt                                                                                            18 lb ft


Fuel Rail Balance Pipe Bolt                                                                                       15 lb ft


Generator Positive Cable Nut                                                                                                80 lb in


Glow Plug                                                                                                                   13 lb ft


Glow Plug Nut                                                                                                                        18 lb in


Heater Outlet Pipe Bolt                                                                                              18 lb ft


Heater Pipe 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                                                                                                                        62 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


Rocker Arm Shaft Bracket Bolt                                                                                 30 lb ft


Starter Motor Bolt                                                                                                      58 lb ft


Thermostat Housing Bolts/Nuts                                                                                18 lb ft


Thermostat Cover Bolt                                                                                               18 lb ft


Torque Converter Bolt                                                                                               44 lb ft


Turbocharger Bolt                                                                                                      80 lb ft


Turbocharger Boost Sensor Bolt                                                                                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 Screws                                                             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










Questions? ...........Click here to send us an email






Solution Graphics

27833 Avenue Hopkins Suite #6
Valencia, CA 91355
Phone (661) 775-5620
Fax (661) 775-5961