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Torque specs for LS1 motors

This is a discussion on Torque specs for LS1 motors within the General Help forums, part of the LSx Technical Help Section category; Fastener Tightening Specifications Application Specification Metric / English A/C Belt Tensioner Bolt 25 Nm 18 lb ft A/C Compressor and Condenser Hose Bolt ...

  1. #1
    Your dealership guy konigandy6's Avatar
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    2002 Corvette Z06

    Torque specs for LS1 motors

    Fastener Tightening Specifications Application
    Specification

    Metric / English

    A/C Belt Tensioner Bolt
    25 Nm 18 lb ft

    A/C Compressor and Condenser Hose Bolt (at Accumulator)
    16 Nm 12 lb ft

    A/C Compressor and Condenser Hose Bolt (at Compressor)
    33 Nm 24 lb ft

    A/C Compressor Bolts
    50 Nm 37 lb ft

    A/C Compressor Bracket Bolts
    50 Nm 37 lb ft

    Accelerator Control Cable Bracket Nut
    10 Nm 89 lb in

    Air Conditioning (A/C) Belt Idler Pulley Bolt
    50 Nm 37 lb ft

    Air Injection Reaction (AIR) Pipe-to-Exhaust Manifold Bolts
    20 Nm 15 lb ft

    Battery Positive Cable Nut (at Generator Output Stud)
    22 Nm 16 lb ft

    Brake Pipe Fitting
    15 Nm 11 lb ft

    Camshaft Position (CMP) Sensor Bolt
    25 Nm 18 lb ft

    Camshaft Retainer Bolt
    25 Nm 18 lb ft

    Camshaft Sprocket Bolt
    35 Nm 26 lb ft

    Catalytic Converter Nut
    25 Nm 18 lb ft

    Clutch Pressure Plate Bolt (In Sequence and Evenly Over 3 Increments)
    70 Nm 52 lb ft

    Connecting Rod Bolts First Pass
    20 Nm 15 lb ft

    Connecting Rod Bolts Final Pass
    85 degrees

    Coolant Temperature Gauge Sensor
    20 Nm 15 lb ft

    Crankshaft Balancer Bolt Installation Pass-to Ensure the Balancer is Completely Installed
    330 Nm 240 lb ft

    Crankshaft Balancer Bolt First Pass-Install a NEW Bolt After the Installation Pass and Tighten as Described in the First and Final Passes
    50 Nm 37 lb ft

    Crankshaft Balancer Bolt Final Pass
    140 degrees

    Crankshaft Bearing Cap Bolts Inner Bolts First Pass in Sequence
    20 Nm 15 lb ft

    Crankshaft Bearing Cap Bolts Inner Bolts Final Pass in Sequence
    80 degrees

    Crankshaft Bearing Cap Side Bolts
    25 Nm 18 lb ft

    Crankshaft Bearing Cap Studs Outer Studs First Pass in Sequence
    20 Nm 15 lb ft

    Crankshaft Bearing Cap Studs Outer Studs Final Pass in Sequence
    51 degrees

    Crankshaft Oil Deflector Nuts
    25 Nm 18 lb ft

    Crankshaft Position (CKP) Sensor Bolt
    25 Nm 18 lb ft

    Crossmember Bolt (Lower)
    145 Nm 107 lb ft

    Crossmember Bolt (Upper)
    125 Nm 92 lb ft

    Cylinder Head Bolts (First Pass all M11 Bolts in Sequence)
    30 Nm 22 lb ft

    Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence)
    90 degrees

    Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence-Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head)
    90 degrees

    Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence)
    50 degrees

    Cylinder Head Bolts (M8 Inner Bolts in Sequence)
    30 Nm 22 lb ft

    Cylinder Head Coolant Plug
    20 Nm 15 lb ft

    Drive Belt Idler Pulley Bolt
    50 Nm 37 lb ft

    Drive Belt Tensioner Bolt
    50 Nm 37 lb ft

    End Link Nut
    23 Nm 17 lb ft

    Engine Block Coolant Drain Plugs
    60 Nm 44 lb ft

    Engine Block Heater
    40 Nm 30 lb ft

    Engine Block Oil Gallery Plugs
    60 Nm 44 lb ft

    Engine Coolant Air Bleed Pipe Bolts and Studs
    12 Nm 106 lb in

    Engine Flywheel Bolt (First Pass)
    20 Nm 15 lb ft

    Engine Flywheel Bolt (Second Pass)
    50 Nm 37 lb ft

    Engine Flywheel Bolt (Final Pass)
    100 Nm 74 lb ft

    Engine Front Cover Bolts
    25 Nm 18 lb ft

    Engine Mount Bolt
    50 Nm 37 lb ft

    Engine Mount Bracket Bolt
    58 Nm 43 lb ft

    Engine Mount Heat Shield Nut
    10 Nm 89 lb in

    Engine Mount Stud
    50 Nm 37 lb ft

    Engine Mount Through Bolt
    95 Nm 70 lb ft

    Engine Mount Through Bolt Nut
    10 Nm 89 lb in

    Engine Oil Filter
    30 Nm 22 lb ft

    Engine Rear Cover Bolts
    30 Nm 22 lb ft

    Engine Service Lift Bracket M10 Bolts
    50 Nm 37 lb ft

    Engine Service Lift Bracket M8 Bolt
    25 Nm 18 lb ft

    Engine Valley Cover Bolt
    25 Nm 18 lb ft

    Engine Wire Harness Clip Bolt
    50 Nm 37 lb ft

    Engine Wire Harness Clip Bolt (at Automatic Transmission)
    2.5 Nm 22 lb in

    Engine Wire Harness Ground Bolt
    50 Nm 37 lb ft

    Engine Wire Harness Ground Bolt (at Frame Rail)
    12 Nm 106 lb in

    Engine Wire Harness Ground Bolt (Left Side of Engine Block)
    30 Nm 22 lb ft

    Exhaust Manifold Bolts First Pass
    15 Nm 11 lb ft

    Exhaust Manifold Bolts Final Pass
    20 Nm 15 lb ft

    Exhaust Manifold Heat Shield Bolts
    9 Nm 80 lb in

    Exhaust Manifold Pipe Nut
    35 Nm 26 lb ft

    Front Fuel Pipe Heat Shield Nut
    5 Nm 44 lb in

    Fuel Injection Fuel Rail Bolts
    10 Nm 89 lb in

    Fuseblock Stud Nut
    14 Nm 10 lb ft

    Generator Bolt
    50 Nm 37 lb ft

    Generator Rear Bracket Bolt
    25 Nm 18 lb ft

    Ground Terminal Bolt
    6 Nm 53 lb in

    Ignition Coil Bolt
    12 Nm 106 lb in

    Ignition Coil-to-Bracket Bolts
    12 Nm 106 lb in

    Ignition Coil Bracket-to-Valve Rocker Arm Cover Studs
    12 Nm 106 lb in

    Intake Manifold Bolts (First Pass in Sequence)
    5 Nm 44 lb in

    Intake Manifold Bolts (Final Pass in Sequence)
    10 Nm 89 lb in

    Intermediate Steering Shaft Bolt
    47 Nm 35 lb ft

    Knock Sensors
    20 Nm 15 lb ft

    Negative Battery Cable Lead Bolt
    32 Nm 24 lb ft

    Oil Filter
    30 Nm 22 lb ft

    Oil Filter Fitting
    55 Nm 40 lb ft

    Oil Level Indicator Tube Bolt
    25 Nm 18 lb ft

    Oil Level Sensor
    13 Nm 115 lb in

    Oil Pan Baffle Bolts
    12 Nm 106 lb in

    Oil Pan Bolt (M8)
    25 Nm 18 lb ft

    Oil Pan Closeout Cover Bolt Left Side
    12 Nm 106 lb in

    Oil Pan Closeout Cover Bolt Right Side
    12 Nm 106 lb in

    Oil Pan Cover Bolts
    12 Nm 106 lb in

    Oil Pan Drain Plug
    25 Nm 18 lb ft

    Oil Pan M8 Bolts Oil Pan-to-Engine Block and Oil Pan-to-Front Cover
    25 Nm 18 lb ft

    Oil Pan M6 Bolts Oil Pan-to-Rear Cover
    12 Nm 106 lb in

    Oil Pressure Sensor
    20 Nm 15 lb ft

    Oil Pump-to-Engine Block Bolts
    25 Nm 18 lb ft

    Oil Pump Cover Bolts
    12 Nm 106 lb in

    Oil Pump Relief Valve Plug
    12 Nm 106 lb in

    Oil Pump Screen-to-Oil Pump Bolt
    12 Nm 106 lb in

    Oil Pump Screen Nut
    25 Nm 18 lb ft

    Oxygen Sensor
    42 Nm 31 lb ft

    Positive Battery Cable Fitting
    15 Nm 11 lb ft

    Positive Crankcase Ventilation (PCV) System Strap Nut at Right Front Engine Coolant Air Bleed Pipe Stud
    12 Nm 106 lb in

    Powertrain Control Module (PCM) Connector Bolt
    8 Nm 71 lb in

    Power Steering Gear Bolt
    85 Nm 63 lb ft

    Power Steering Pump Bracket Bolt
    50 Nm 37 lb ft

    Secondary Air Injection (AIR) Pipe Bolt
    20 Nm 15 lb ft

    Secondary Air Injection (AIR) Switch Valve Bracket Bolt
    20 Nm 15 lb ft

    Secondary Air Injection (AIR) Switch Valve Bracket Nut
    12 Nm 106 lb in

    Shock Absorber Bolt
    65 Nm 48 lb ft

    Spark Plug (All Subsequent Installations)
    15 Nm 11 lb ft

    Spark Plug (New Cylinder Head)
    20 Nm 15 lb ft

    Stabilizer Bar Bracket Bolt/Stud
    55 Nm 41 lb ft

    Throttle Body Bolts
    12 Nm 106 lb in

    Torque Converter Bolt
    63 Nm 47 lb ft

    Transmission Bolt (Automatic Transmission)
    95 Nm 70 lb ft

    Transmission Bolt (Manual Transmission)
    50 Nm 37 lb ft

    Transmission Cover Bolt
    12 Nm 106 lb in

    Transmission Fill Tube Bolt
    50 Nm 37 lb ft

    Transmission Oil Cooler Line Fitting
    27 Nm 20 lb ft

    Transmission Support Bolt
    57 Nm 42 lb ft

    Upper Control Arm Nut
    53 Nm 39 lb ft

    Valve Lifter Guide Bolt
    12 Nm 106 lb in

    Valve Rocker Arm Bolt
    30 Nm 22 lb ft

    Valve Rocker Arm Cover Bolt
    12 Nm 106 lb in

    Water Inlet Housing Bolts
    15 Nm 11 lb ft

    Water Pump Bolts First Pass
    15 Nm 11 lb ft

    Water Pump Bolts Final Pass
    30 Nm 22 lb ft

    Water Pump Cover Bolts
    15 Nm 11 lb ft

    For OEM applications and all these figures are per GM.

    2002 Z06 - Electron Blue Metallic
    D1 @ 14psi - E85 - Forged - Kooks LT's - Kooks exhaust - Mcleod RPX twin disc clutch - RPM trans - 100# ID injectors - Holley 12-1400 pump
    701 rwhp 687 rwtq

    2014 Silverado Z71 5.3 - Blue Topaz
    OEM

    2002 Z28: M6 NBM **sold**

  2. #2
    Senior Member 2002ssslp's Avatar
    Join Date
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    Location
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    2,693

    Silver & Blue
    02 Camaro SS, 04 GTO

    I printed this out for my garage. Thanks for putting in all the work to collect this data.
    My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
    My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k

  3. #3
    Your dealership guy konigandy6's Avatar
    Join Date
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    2002 Corvette Z06

    You're welcome... it wasn't that much work though, but glad I could help!

    Also, I can get you a picture of me giving you an encouraging thumbs up to hang in your garage if you'd like as well!!


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