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HOMESERVICE MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1149 (ENGINE MECHANICAL (INTRODUCTION) - 3.6L (LY7))SPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2003 Chevrolet TrailBlazer 4.2 S, 4WD

Fastener Tightening Specifications

2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Fastener Tightening Specifications
WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
Fastener Tightening Specifications

Application Specification
Metric English
A/C
  • Compressor Bolt
 50 N.m 37 lb ft
  • Compressor Hose Assembly Bolt
 16 N.m 12 lb ft
Barometric (BARO) Sensor Bolt 10 N.m 89 lb in
Camshaft Position Actuator
  • Camshaft Bolt
 58 N.m 43 lb ft
  • Oil Control Valve Bolt
 10 N.m 89 lb in
Camshaft Cap Bolt 10 N.m 89 lb in
Camshaft Cover Bolt 10 N.m 89 lb in
Camshaft Cover Bolt 10 N.m 89 lb in
Camshaft Intermediate Drive Sprocket Bolt - Idler Sprocket 58 N.m 43 lb ft
Camshaft Position Sensor Bolt 10 N.m 89 lb in
Catalytic Converter
  • Exhaust Manifold Nut
 50 N.m 37 lb ft
Close Out Cover Bolt 10 N.m 89 lb in
Connecting Rod Bolt
  • First Pass
 30 N.m 22 lb ft
  • Second Pass - Counter Clockwise
 Back Off to Zero
  • Third Pass
 25 N.m 18 lb ft
  • Final Pass
 110 Degrees
Coolant Outlet Bolt 10 N.m 89 lb in
Crankshaft Balancer Bolt
  • First Pass
 100 N.m 74 lb ft
  • Final Pass
 150 Degrees
Crankshaft Main Bearing Bolt
Inner
  • First Pass
 20 N.m 15 lb ft
  • Final Pass
 80 degrees
Outer
  • First Pass
 15 N.m 10 lb ft
  • Final Pass
 110 Degrees
Side
  • First Pass
 30 N.m 22 lb ft
  • Final Pass
 60 Degrees
Crankshaft Position Sensor Bolt 10 N.m 89 lb in
Crankshaft Position Sensor/Right Exhaust Manifold Lower Heat Shield
  • M6 - Bolt
 10 N.m 89 lb in
  • M10 - Bolt
 50 N.m 37 lb ft
Crankshaft Rear Oil Seal Housing Bolt 10 N.m 89 lb in
Cylinder Head Bolt - M8
  • First Pass
 15 N.m 10 lb ft
  • Final Pass
 60 Degrees
Cylinder Head Bolt - M11
  • First Pass
 45 N.m 33 lb ft
  • Final Pass
 120 degrees
Cylinder Head Core Hole Plug 31 N.m 23 lb ft
Drive Belt
  • Idler Pulley Bolt
 50 N.m 37 lb ft
  • Idler Pulley Bracket Bolt
 23 N.m 17 lb ft
  • Tensioner Bolt
 50 N.m 37 lb ft
Engine Control Module (ECM)
  • Bolt
 10 N.m 89 lb in
  • Bracket Bolt - Front
 23 N.m 17 lb ft
  • Bracket Bolt - Side
 10 N.m 89 lb in
  • Grounding Bolt
 4.5 N.m 40 lb in
Engine Coolant Temperature (ECT) Sensor 22 N.m 16 lb ft
Engine Flywheel Bolt
  • First Pass
 30 N.m 22 lb ft
  • Final Pass
 45 Degrees
Engine Front Cover Bolt 23 N.m 17 lb ft
Engine Mount
  • Nut to Engine Mount Bracket
 80 N.m 59 lb ft
  • Nut to Frame
 80 N.m 59 lb ft
  • Bracket Bolt to Engine Block - M8
 38 N.m 28 lb ft
  • Bracket Bolt to Engine Block - M10
 60 N.m 45 lb ft
Engine Mount Bracket Bolt 58 N.m 43 lb ft
Engine Mount Lower Nut 47 N.m 35 lb ft
Engine Mount Strut Bracket Bolts - to Engine 50 N.m 37 lb ft
Engine Mount Strut Bracket Bolts - to Radiator Support 26 N.m 19 lb ft
Engine Mount Strut Nut 48 N.m 35 lb ft
Engine Mount Upper Nut 53 N.m 39 lb ft
Engine Wiring Harness Bracket
  • Bolt - Cylinder Head Rear
 10 N.m 89 lb in
  • Bolt - ECM Bracket Side
 23 N.m 17 lb ft
  • Bolt - ECM Bracket Top
 10 N.m 89 lb in
  • Bolt - Left Side Oil Pan
 10 N.m 89 lb in
  • Bolt - Left Side Oil Filter Adapter
 10 N.m 89 lb in
  • Bolt - Near Crankshaft Position Sensor
 50 N.m 37 lb ft
  • Bolt - Right Side Block Front
 23 N.m 17 lb ft
  • Bolt - Right Side Head Front
 10 N.m 89 lb in
Engine Wiring Harness Ground
  • Bolt - ECM Bracket Top
 10 N.m 89 lb in
  • Bolt - Left Cylinder Head Side
 10 N.m 89 lb in
  • Bolt - Right Cylinder Head Rear
 10 N.m 89 lb in
Evaporative (EVAP) Purge Valve Bolt/Ball Stud 10 N.m 89 lb in
Exhaust Crossover Pipe Nuts 34 N.m 25 lb ft
Exhaust Manifold
  • Bolt
 20 N.m 15 lb ft
  • Heat Shield Bolt
 10 N.m 89 lb in
  • Studs
 6 N.m 4.4 lb in
Fuel Rail Bolt 10 N.m 89 lb in
Generator
  • Bolt
 50 N.m 37 lb ft
  • Cable Nut
 10 N.m 89 lb in
Ground Cable Bolt 50 N.m 37 lb ft
Heater Inlet/Outlet Pipe Assembly Bolt 10 N.m 89 lb in
Ignition Coil Bolt 10 N.m 89 lb in
Intake Manifold
  • Upper-to-Cylinder Head Bolt - Long
 23 N.m 17 lb ft
  • Upper-to-Cylinder Head Bolt - Short
 23 N.m 17 lb ft
  • Upper-to-Lower Intake Manifold Bolt
 23 N.m 17 lb ft
  • Tuning Valve Bolt
 10 N.m 89 lb in
Knock Sensor Bolt 23 N.m 17 lb ft
Oil Drain Plug 25 N.m 18 lb ft
Oil Filter 25 N.m 18 lb ft
Oil Filter Housing Adapter Bolt 23 N.m 17 lb ft
Oil Gallery Plug 31 N.m 23 lb ft
Oil Level Indicator Tube Bolt 10 N.m 89 lb in
Oil Level Sensor Bolt 10 N.m 89 lb in
Oil Pan
  • Bolt - Block M8
 23 N.m 17 lb ft
  • Bolt - Crankshaft Rear Oil Seal Housing M6
 10 N.m 89 lb in
  • Windage Tray Bolt
 10 N.m 89 lb in
Oil Pressure Sender 20 N.m 15 lb ft
Oil Pump
  • Bolt
 23 N.m 17 lb ft
  • Cover Bolt
 13 N.m 115 lb in
Oxygen Sensor
  • Pump Converter Pipe
 40 N.m 30 lb ft
PCV Tube Bracket Bolt/Ball Stud 10 N.m 89 lb in
Piston Oil Cooling Nozzle Bolt 10 N.m 89 lb in
Power Steering Pump
  • Bracket to Engine Bolt
 50 N.m 37 lb ft
  • Reservoir Stud
 25 N.m 18 lb ft
Primary Camshaft Drive Chain
  • Tensioner Bolt
 23 N.m 17 lb ft
  • Upper Guide Bolt
 23 N.m 17 lb ft
Radiator Inlet Support Bracket Bolt 50 N.m 37 lb ft
Radiator Outlet Pipe Assembly Bolt 10 N.m 89 lb in
Secondary Camshaft Drive Chain
  • Guide Bolt
 23 N.m 17 lb ft
  • Shoe Bolt
 23 N.m 17 lb ft
  • Tensioner Bolt
 23 N.m 17 lb ft
Spark Plug 18 N.m 13 lb ft
Starter Motor
  • Bolt
 50 N.m 37 lb ft
  • Cable Nut
 10 N.m 89 lb in
Suction Tube Bolt 10 N.m 89 lb in
Suction Screen Bolt 10 N.m 89 lb in
Thermostat Housing Bolt 10 N.m 89 lb in
Throttle Body Bolt 10 N.m 89 lb in
Torque Converter Bolt 60 N.m 44 lb ft
Transmission
  • Mount Bolt to Transmission - RPO
 60 N.m 45 lb ft
  • To Engine Bolt
 50 N.m 37 lb ft
  • Range Selector Lever Nut
 9.5 N.m 84 lb in
Water Pump
  • Bolt
 10 N.m 89 lb in
  • Pulley Bolt
 10 N.m 89 lb in
RENDER: 1.0x

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  • • You are missing required tools, torque specs, or safe lifting equipment.
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